Instruction/ maintenance manual of the product 1055CM HP
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Service Manual DesignJet 1050C/1055CM HP Large-Form at Printers.
T echnic al Ma rketi ng, Barce lo na Divi s ion, Hewlet t-P a ckard Espa nol a, S.A. A vda. Gra el ls, 501 08190 Sant Cu gat de l V all es Spain For HP I nt ern al Us e O nl y ©Copyri ght Hewlett-Packard Co m pa n y 199 9 Thi s doc umen t con t ains prop rietary in form atio n th at is pr ote c te d b y c o py rig h t.
1 Servic e Manual DesignJet 1050C/1055CM HP Large-Form at Printers.
2 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Using th is Manual Purpose This Service Ma nual contains inf ormation neces sary to test, calibrate and service: HP DesignJet 1050C Pr inte.
Table o f Co ntents 3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T able of Contents 1 Tr ou bl e sho otin g 1 -1 Introduction 1-2 T roubleshooting System E rror Codes 1-2 Performing a .
Tabl e of Cont ents 4 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Sys tem Err or Co de s 2-1 Introduction 2-2 Continuable and Non-Continuable Error Codes 2-2 System E r ror Codes During Ini tializa tion 2-18 HP N o.80 I nk Supplies Tr oubleshooting 3-1 What are HP No.
Table o f Co ntents 5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Service Tests and Utiliti e s 4-1 Service T ests (Diagnostics) 4-3 Entering the Service T e sts Menu 4-4 1. Electronic S ystems 4-5 2. EIO Card 4- 10 3. Hard Dis k Drive 4- 12 4.
Tabl e of Cont ents 6 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Print Qua lity 6-1 Print Quality T r oubles hooting Checklist 6-2 Print Modes 6-3 How to Us e the P rint Quality T est 6-4 What i s the Pr int Quality T est? 6-4 Considerations for Printing the Print Quality T est.
Table o f Co ntents 7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Parts an d Dia grams 7 -1 Printer Support 7-2 Rear Covers 7-4 Electronics M odule 7-6 Right Hand Cover 7-8 Left Hand Co.
Tabl e of Cont ents 8 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Electronics M odule 8-25 Media Sens or 8-29 W indow 8-30 T op Cover 8- 31 Back Cover 8-32 Scan- axi s Moto r As semb ly.
Table o f Co ntents 9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Fu nc ti on al Ov erv ie w 10 -1 Introduction 10-2 HP DesignJet 1050C Printer 10-2 HP DesignJet 1055C M pri nter 10-2 E.
Tabl e of Cont ents 10 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l.
1-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T r oub leshooting 1 Intr oduc tion 1-2 T roubleshoot ing Sys tem Err or Codes 1-2 Performi ng a Servi ce T est on a Fai led Assemb ly 1-.
Troubleshooting 1-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Guide to T ro ubleshooti ng the Printer Int roduction This chapter will guide you through the relevant s teps to take when troubleshooting the printer .
Troubleshooting 1-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Performing a Servi ce T est on a F ai led As sembly If possible, always perform a Service T est on the component/ asse mbly that you are about to replace, just to ma ke s ure that is the component/assembly that has failed.
Troubleshooting 1-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Front-Panel LEDs F lash Briefly at Power O N & Nothi ng Else Happen s The Power Supply detects a Short and shuts down the Power . 1 The H ard Disk Drive or the Networ k Card could be faulty .
Troubleshooting 1-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual The Pri nte r do es no t Power ON 1 Check tha t the pow er cor d is connec ted cor rectly to the Printer and to the Power Socket. 2 Check that the Firmware DIM M is installed corr ectly in the correct slot (the first s l ot from t he right) at the back of the Printer .
Troubleshooting 1-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Th e Print er Contin uou sl y Rejects Print head s 1 Clean the f lex contacts on the Pr inthead a nd in the Carriage Assembly using the Carriage Interconnec t W iper (Refer to Chapter 3) a nd try again.
Troubleshooting 1-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Troubleshoot ing Med ia Jams/P rint head Cras h es NOT E I f using HP Coated Me dia when problem occurred, please also refer t o Page 1- 10, Printhead Crashes/S mears on High Density Prints Us ing Coated Me dia.
Troubleshooting 1-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l problem a s explained as follows. W ARNING I n eac h case, make sure that yo u powe r OF F the printe r befor e attempting any pr oce dures t o r esolve the pr oblem .
Troubleshooting 1-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Probl ems wi th th e V acu u m F a n If you have problems loading either Roll or Sheet Media, then there could be a problem with t he V acuum Fan.
Troubleshooting 1-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pri n thea d Cra s he s/Sm ears on Hi g h D e ns ity Pr i nt s Usin g C oated Medi a High density pr ints can cause cockle mainly on HP Coated Media. This causes two main problems : 1.
Troubleshooting 1-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual HP-GL/2 color d iffer ences in d ifferent HP DesignJet Printers Color dif ferences between one image printed on the HP D.
Troubleshooting 1-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Banding at variab le extre me environmental conditions Since the Accuracy Calibration has been done at normal environmen.
Troubleshooting 1-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Lower image gloss directly after printin g on HP High Glos s Phot o Paper Lower gloss appearance of t he print when the media is drying which gradually disappears to get the final gloss level (between 10 and 60 minutes depending on the ink density).
Troubleshooting 1-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Solvin g Media- Han dlin g Problems The Front Panel Keeps Ind i cating that Media Is Misaligned or Incorrectly Positioned Roll m ed ia The roll may be loaded t he wrong way .
Troubleshooting 1-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual How t o Naviga te t hrough th e F ront-Panel Menu Width, Length Queuing Managem en t Nest Qu e u e O. K. Off On , Of f In or der , O pt im al Copie s Move t o t op, S tati stics 99 .
Troubleshooting 1-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Wi d t h Pale tte Mer gi ng Defi ne pal ett e So ft w are , F ac tory , Fact ory Of f , On Pen Num be r 0 . .. 15 Col o r HP-G L/2 Setting s P a le tte A , P ale tt e B Palette A , Palette B Pen Num ber 0 .
Troubleshooting 1-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Normal, Special Cutter Drying tim e Lan g HP-GL/2, On , Off PostScr ipt, Te r m i n at o r Device Setup Manual 7586, H P-GL / 2 255 .
Troubleshooting 1-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Dis play cont r ast S tatistic s Pos t Scr ipt Co de Re v , Off, On Utilities Palett e, Menu , RAM pres ent, Hard disk ,.
Troubleshooting 1-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ser vic e C o nfi gu rat ion Pr in t The Service Configuration Pr int is a us eful tool f or troubleshooting the Printer . The Ser vice Configuration Print contains the following information about the Printer: Gener al Configuration Printhead Info.
Troubleshooting 1-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 5 Use the Arrow keys to scroll to "Ser vice Config." and press the En ter key to pri nt the Service Configuration P rint.
Troubleshooting 1-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Sample of the Ser vice Configu r ation Print.
Troubleshooting 1-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l.
2-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Err o r Cod es 2 2 System Err o r Cod es 1 System E rro r Code s 2-2 0000D8 X XXXXXXX (Non-Cont inuabl e ) 2-3 01002D ( N on-Conti.
System Error Codes 2-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error Cod es Int roduction System error codes are hexa-de cimal based numbers generally caused by internal s ystem errors. The f ollowing page s contain a list of sy stem er ror codes and their res pective de scriptions and recommended corrective actions.
System Error C odes 2-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0000D8 XXXXXXXX ( Non -Conti nuable) Pr ob lem Descri p tion: Ext e rn a l Lib r ary Err or . Correcti v e Acti o n : Refer to System Error C ode 070100.
System Error Codes 2-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 010021 ( Non-Cont inuabl e) Pr ob lem Descri p tion: Memory DRAM DI MM T e st failure. Correcti v e Acti o n : T r y the following: Switch the Power OF F from the back of the Printer and dis connect the P ower cor d.
System Error C odes 2-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 010040 Pr ob lem Descri p tion: Error in Paper -axis Encoder quadr ature. Correcti v e Acti o n : T r y the following: Check that the Paper-Axis Motor cable is NOT br oken or damaged.
System Error Codes 2-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 010042 Pr ob lem Descri p tion: Error in Service Station-axis Encoder qua drature. Correcti v e Acti o n : T r y the following: Check that the Service Station Encoder-Cable is NOT broken or damaged.
System Error C odes 2-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 01009X ( C o nt i n ua b l e) Pr ob lem Descri p tion: Er ror in Paper -axis Motor Encoder Correcti v e Acti o n : T r y the following: Check that the Paper-Axis Motor cable is NOT br oken or damaged.
System Error Codes 2-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 04Cxxx Pr ob lem Descri p tion: EI O Ac cesso rie s (E IO C ard/H ard D isk Driv e) Error . Correcti v e Acti o n : T r y the following: Press ENTER and switch the printer OFF .
System Error C odes 2-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 060301 Pr ob lem Descri p tion: One of the Printheads has an Internal Electric al Proble m.
System Error Codes 2-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 060309 Pr ob lem Descri p tion: Problem with setting the V oltage of the Printhead s.
System Error C odes 2-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 06030B Pr ob lem Descri p tion: The Ambient T emperature meas ured is out of the normal r ange. Correcti v e Acti o n : T r y the following: Make sure that the Ambient temperature is within the allowed range (between 0 and 55 Degrees Centigrade).
System Error Codes 2-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 080001 ( Non-Cont inuabl e) Pr ob lem Descri p tion: Pos tSc ript Er ror .
System Error C odes 2-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0A0000 Pr ob lem Descri p tion: The Air Pressure is below the minimum requirement. Correcti v e Acti o n : T r y the following: Check a ll the cables of the APS and make sur e they are corre ctly connected and are NOT damaged.
System Error Codes 2-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0A0020 Pr ob lem Descri p tion: Error in Calibratin g the APS S e nsor . Correcti v e Acti o n : T r y the following: Check a ll the cables of the APS and make sur e they are corre ctly connected and are NOT damaged.
System Error C odes 2-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0A0050 (Non-Cont inuable) Pr ob lem Descri p tion: The Printer ha s detect ed a leak in the T ubes System before the life of th e S ystem .
System Error Codes 2-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0A0070 (Continuable) Pr ob lem Descri p tion: The Backup EEROM contents stored in the T ube s System ar e not consistent with the ones re quired by the firmware.
System Error C odes 2-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0C0032 ( Continuable) Pr ob lem Descri p tion: Drop Detector not Calibr ated for all Printheads . Correcti v e Acti o n : T r y the following: Perfor m the Service St ation Calibra tion ⇒ Page 5- 1 1 .
System Error Codes 2-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Sys tem Error Codes During Initi alizat ion The following Sys tem Error Codes will onl y appea r during the Initialization proces s when you power ON the Printer . System Error : 0B0000 Pr ob lem Descri p tion: Bad Ambient T emperature measured.
System Error C odes 2-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0B0003 Pr ob lem Descri p tion: ADC0 Inter nal cha nnels check Failure. Correcti v e Acti o n : Replace the Electronics Module ⇒ Page 8-25 . System Error : 0B0004 Pr ob lem Descri p tion: Unable to detect Pump.
System Error Codes 2-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0B0006 Pr ob lem Descri p tion: The T r ailing Cable ha s been incor rectly conne cted OR the fuse in the Elec tronics M odule has bee n burned. Correcti v e Acti o n : T urn the Printer OFF and disconnect the trailing cable.
System Error C odes 2-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0B0009 Pr ob lem Descri p tion: Unable to detect Ae rosol Fan (I ncluded on the Right Cover). Correcti v e Acti o n : T r y the following: Make sure that the Aer os o l Fan is connected cor r ectly to the Electr onics Module.
System Error Codes 2-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0B000B Pr ob lem Descri p tion: Pump or Pressure Sens or not working. Correcti v e Acti o n : T r y the following: Check that the cable from the Ink Supply S tation (ISS) PC A to the I nk Supply Station is correctly c onnected.
3-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual HP N o.80 Ink Supplie s T r oub leshooting 3 W hat are H P No .80 S upplies? 3- 2 Ink Car tri dges 3-2 Printhe a ds and Pr i nthead Clea ners 3- 2 Identi fying the Comp one nts 3 -3 General I nformation A bout HP No.
HP No.80 Ink Supplies Troubleshooting 3-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l W hat are HP No. 80 Supp lies ? For each of the four ink colors used in the pr inter, there are thr ee separate c omponents. T he printhead a nd the printhead cleane r are supplied together , and the ink car tridge is supplied separately .
HP No.80 I nk Supplies T r oubleshooting 3-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual The H P No.80 printhead clea ners ke ep the printheads in good condition and they pr e vent them from being damaged when the printer is not active.
HP No.80 Ink Supplies Troubleshooting 3-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ge neral Inform ati on Abou t HP No.80 Su pp lies For opt imu m re sults fr om the printer an d modular ink deliv ery system alwa ys fol low thes e guidelin es wh en handling t he HP No.
HP No.80 I nk Supplies T r oubleshooting 3-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Some Ge n eral Precauti ons Whe n Handl ing HP No.8 0 Supp li es CAUT ION Do no t to uc h, wip e o r at t emp t to cle a n th e pr in th ea d no zz le s.
HP No.80 Ink Supplies Troubleshooting 3-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pr iming th e Ink S ys tem When the customer firs t r eceives the pr inter , it i s supplied with a s et of four setup printheads pre-installed in the printhead carriage.
HP No.80 I nk Supplies T r oubleshooting 3-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual The Fr ont Panel Disp lay The front panel dis play has a dedicated area to report the status of your HP No.
HP No.80 Ink Supplies Troubleshooting 3-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Obtaining I nk Cartridge Information 1 T o get information on the ink cartridges press the To p key on the front panel to go to the ma in menu. 2 Pr ess t he ↑ or ↓ key until the front panel dis plays the ink system menu.
HP No.80 I nk Supplies T r oubleshooting 3-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 The fr ont panel displays information on the selected ink cartridge. The information s upplied is: The make of the ink c artridge (HP No.80 are recommended).
HP No.80 Ink Supplies Troubleshooting 3-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 Pr ess t he ↑ or ↓ key until the front panel highlights “Printhead info”. Press the E nt er key . 4 Pr ess t he ↑ or ↓ key until the front panel highlights the color tha t you want to s ee information on.
HP No.80 I nk Supplies T r oubleshooting 3-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ink Cartridge S tatus Messages St a t u s B a r s The fr ont panel displays four horizontal bar s. These bars represent how much ink is remaining in the ink cartr idges: as i nk is used up the bars get shorter in length.
HP No.80 Ink Supplies Troubleshooting 3-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ink Ca rtridg e S tat us W hile Re pl acing The printer can report the following status messages while the Ink Cartridge is being replaced: Fa u lty The ink cartridge is fa ulty and must be replaced, before you can continue printing.
HP No.80 I nk Supplies T r oubleshooting 3-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Print head S tat us Messages W hile Printi ng Detailed below ar e the printhead status mes sages that may be displayed while printing. OK The printhead is oper ating correctly and will pr ovide an acceptable level of print quality .
HP No.80 Ink Supplies Troubleshooting 3-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Repla c e P rin the ad The fr ont panel displays a warning, meaning that the printhead ha s quite a few nozzles operating incor r ectly . There is a r i sk that media could be wa sted.
HP No.80 I nk Supplies T r oubleshooting 3-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Monitor When this message is dis played it means that the prin thead has reache d its lif e expectancy .
HP No.80 Ink Supplies Troubleshooting 3-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Res eat T he printhead has moved s lightly and is not making good electr ical contact with the carriage assembl y . Reseat the printhead into the correct p osition.
HP No.80 I nk Supplies T r oubleshooting 3-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Sum mary of Solvin g H P No.80 Su ppl ies Problems Most of the pr oblems that you could enc ounter when working w ith the HP No. 80 s upplies are s olved with guidanc e from the front panel.
HP No.80 Ink Supplies Troubleshooting 3-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ca rri age I n t e rco nne c t Wi p e r NOT E Wh en you order the Carriage Ass embly , the Carriage In terconnect Wiper wi ll com e with it .
4-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Service T ests and Util ities 4 Intr oduc tion 4-2 Diagnos ti cs - Self T est 4-2 Serv ice T ests ( Diagnos tics) 4-3 En tering the Ser vice T est s Menu 4- 4 1. El e ctronic Sy st ems 4-5 2.
Ser vice Tests and Utilities 4-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Intr oduction This chapter explains how to use the built- in Se rvice T ests and Service Utilitie s and what to do if any of the Servic e T ests fail.
Ser vice Tests and Utilities 4-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Servic e T ests (Diagn ostics) The following is a list of all internal Service T ests availa ble in the Printer . Instructions for entering the S e rvice T ests menu are gi ven on Page 4-4 .
Ser vice Tests and Utilities 4-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Entering the S ervice T ests Menu NOTE In ord er to ente r the S ervice Utility M enu, pleas e refer t o the instructions on Page 4- 26 .
Ser vice Tests and Utilities 4-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 1. Electronic Systems The purpose of this test is to verify the operation of the: Electr onics Module. DR A M . T r ailing Cable. Carriage Assembly . NOTE This tes t does not test the EI O Card or the Hard Disk D riv e.
Ser vice Tests and Utilities 4-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Perf orm the E lect ronic S ystem s t est as f oll ows: 1 In t he Ser vice T e sts subm enu, s cr oll t o " 1. Elect ronic S ys tems" and pres s Ent er .
Ser vice Tests and Utilities 4-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If the test passes, then the following mes sage will appe ar on the front panel: W ARNING I F TH IS TEST P ASSES, DO NOT RE PLACE T HE ELECT RO NICS MODULE , TRA ILI NG CABLE OR T HE CAR RIAGE ASSEMBL Y .
Ser vice Tests and Utilities 4-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 If the T es t fails again, switch the Power OFF , disconnect the power cor d and Replace the DRAM DI MMs (Me mory Modules). Reconnec t the pow er cord and power On the Printer and perform the test again.
Ser vice Tests and Utilities 4-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Carriage T est Failur e If ther e is a pr oblem with the Carriage and any r elated parts then the following .
Ser vice Tests and Utilities 4-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2. EIO Card The purpos e of this test is to ver ify the operation of the EI O Card. W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE EIO CARD.
Ser vice Tests and Utilities 4-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual W ARNING I F THIS TE ST P ASSES, DO NOT REPL ACE THE EIO CARD.
Ser vice Tests and Utilities 4-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. Hard Disk Drive The purpose of this test is to verify the operation of the H ard Disk Drive. W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE HARD DISK DRIVE.
Ser vice Tests and Utilities 4-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual W ARNING I F THIS TEST P AS SES, DO NOT REPLACE THE HARD DIS K DRIVE.
Ser vice Tests and Utilities 4-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4. In k Pres su re S y st em The purpose of this test is to verify the operation of the: T ub e s S y stem . Air P ressuriz ation Sy st em (A P S). W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE TUBES SYS TEM OR TH E APS .
Ser vice Tests and Utilities 4-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If the test passes, then the following mes sage will appe ar on the front panel: W ARNING I F THIS TEST P ASSE S, DO NOT REP LACE THE TUB ES SYSTEM OR THE A PS.
Ser vice Tests and Utilities 4-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l appear on the front panel: In th is case , try one of the following: 1 Check all the cables of the A PS and make sur e they ar e corr e ctly connected and ar e NO T damaged.
Ser vice Tests and Utilities 4-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Scan Axis The purpos e of this test is to ver ify the operation of the Scan Axis Moto r . Y ou must perform the S c an-Axis T est after: Scan-Axis Assemblies are disassembled or r eplaced.
Ser vice Tests and Utilities 4-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 The te st will start and the following mes sage will a ppear on the front panel: 3 Once the te st is comp.
Ser vice Tests and Utilities 4-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual If the values obtained in the tes t are le ss than the Ma ximum values in the pr evious table, then the test has passed . If the values obtained in the tes t are greater than the M aximum values in the previous table, then the test has failed .
Ser vice Tests and Utilities 4-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. Paper Axi s The purpose of this test is to verify the operation of the Pape r Axis Moto r . W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE P A PER AXI S MOTOR.
Ser vice Tests and Utilities 4-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 Once the te st is completed, the following message will appear on the front panel: If the values of the M ax. PWM is less than 95 and the A vg. PWM is less than 85, then the test has passed.
Ser vice Tests and Utilities 4-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 7. Drop Detector The purpose of this test is to verify the operation of the D rop Detector . W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE D ROP D ETECTOR.
Ser vice Tests and Utilities 4-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 After init ialization, the tes t will start and the following message will appear on the front panel: W ARNING I n the following step , make sure you d o not drop the piece of paper insid e the Drop Det ector .
Ser vice Tests and Utilities 4-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 7 If the test passes, then the following mes sage will appe ar on the front panel: W ARNING I F THIS TES T P ASSES, DO NOT RE PLACE T HE DROP DETECTO R.
Ser vice Tests and Utilities 4-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Service Utilities The following is a list of all internal Service Utilities availa ble in the Printer s. Instr uctions for en tering the Ser vice Utilities menu are given on Page 4-26 .
Ser vice Tests and Utilities 4-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l En tering t he S e rvice Utilit ie s Me n u 1 Once the message " Ready" is displayed on the f ront-panel, s croll to the "Printer Setup Options" icon and pres s the Enter key .
Ser vice Tests and Utilities 4-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 Use the Arrow keys to scroll through the "Service U tilities" selections. 6 Pr ess t he Ent er key to begin a s pecific operation when the r equired Service Util ity is h ighlighted.
Ser vice Tests and Utilities 4-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 1. T u bes Purge The purpose of this Service Utility is to Prime the T ubes when a new T ubes System has been i nstalled. W ARNING AL W A YS PE RFORM THE TUB ES PURGE AFTER REPL ACING TH E TUBE S SYS TEM .
Ser vice Tests and Utilities 4-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4 When the following m e ssage is dis played, lift the window and remove ALL the Printheads from the carriage. Ins tall the Setup Printheads into the carr iage .
Ser vice Tests and Utilities 4-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 8 Once the tubes system is purged, the following mes sage will be displayed. Lift the window a nd remove AL L the Setup Printheads from the carriage and install the previously removed printing Printheads into the carr iage .
Ser vice Tests and Utilities 4-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 12 The Printer will start to print the Printhead Alignment Pattern and the following message w ill be dis p.
Ser vice Tests and Utilities 4-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2. Release Info This Service Utility provides information on the current Fir mwa re version. Ch eck the Rele ase I n fo as follo ws : 1 In the Servi c e Utilitie s s ubmenu, scrol l to "2.
Ser vice Tests and Utilities 4-33 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. Se t As ian P S Fon ts The purpose of this Service Utility is to sele ct the Asian Fonts after replacing the Electronics Module. W ARNING AL W A YS S ET T HE ASI AN F ONTS AF TER REPLACI NG TH E ELE C TR ONI CS MOD UL E .
Ser vice Tests and Utilities 4-34 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 The following message will be displayed on the front panel asking you to conf irm the s election. Select ACCEP T if you want to continue with your selection, or select CA NCEL if you wa nt to cancel it.
Ser vice Tests and Utilities 4-35 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Prin te r Mo del T ype The purpose of this Service Utility is to set the correc t Printer Model. NOTE The Printe r Model T ype only needs t o be set when both the T ubes System and the Elect ronics Modul e have been replaced at the s ame t i me.
Ser vice Tests and Utilities 4-36 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4 Once the Model T ype selection has been made, the f ollowing message will be displayed on the front panel: 5 Print the S ervice C onfigurat ion Print ( ⇒ Page 1-19 ) and check if the Printer Model T ype has been set correctly .
Ser vice Tests and Utilities 4-37 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Overd rive Cleanin g The purpose of this Service Utility is to rota te the Overdrive, Drive Roller and Roller Ma rk in order to clea n them. NOTE REMOVE T HE ME DIA BEF ORE P ERFORMING T HIS OPERA T ION.
Ser vice Tests and Utilities 4-38 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. EEROM Utilities The purpose of this Service Utility is to either clear the EEROM in the Elec tronics M odule or to test it. Perfor m th e Clear/T est EEROM uti lity as f ollows: 1 In th e Se rvice Utilit ies submenu, scroll to "6 .
Ser vice Tests and Utilities 4-39 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual b If you decided t o continue with the te st then the f ollowing message will appear on the f ront panel and you should wait until the tes t has been performed.
Ser vice Tests and Utilities 4-40 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l b If you decided t o continue with clearing the EEROM , then the following mes sage will appear on the front panel and you s hould wait until the EEROM has been clea red.
Ser vice Tests and Utilities 4-41 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 7. Pri nthead Check This Service Utility allows you to have the Printhead che cking facility ON or OFF .
Ser vice Tests and Utilities 4-42 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 8. M on. Mo de Bau d Se l. This Service Utility allows you to change the Baudrate of the Serial Port. NOTE The default B audrate for s erial communication is 14200.
5-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 Service Calibrations 5 Ser vice C alib r ati ons 5 - 2 En tering the Ser vice Ca l ibrati ons Menu 5 -4 1. Accuracy Calibr a tion 5- 6 2. L ine Se nsor 5 -9 3. Se rvic e S tati on 5-1 1 4.
Ser vice Calibra tions 5-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Se rvi c e Cali brati o ns The Printer has s everal ca libration procedures that must be performed under certain conditions. Re fer to the table below to determine when calibrations are required.
Service C alibrations 5-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Se rvice Cal ibrat ions The followin g is a list of al l inte rnal service calibra tions available in the Pr inters. Instructions f or enter ing the service c alibrations menu are given on Page 5-4 .
Ser vice Calibra tions 5-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Entering t he S ervice Ca libration s Menu 1 Once the message " Ready" is displayed on the f ront-panel, s croll to the "Printer Setup Options" icon and pres s the Enter key .
Service C alibrations 5-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 Use the Arrow keys to scroll through the "Service Calibrations" selections. 6 Pr ess t he En ter key to be gin a spec ific calibration when the required Service Calibration is highlighted.
Ser vice Calibra tions 5-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 1. Accuracy Calibration The purpose of this Service Calibrat ion is to calibrate the nominal advance of the media. This calibration is necessar y to control the exact movement of the media in order to avoid print quality problems like banding.
Service C alibrations 5-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If media is no t loaded, the following m e ssage appears on the f r ont panel and you must load media into the Printer . NOT E Do NOT us e any other type of media apart f rom H P High Gloss Photo Paper .
Ser vice Calibra tions 5-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l following me ssage will be displaye d while the Pr inter m e asures the pattern: 8 Once the calibration is complet.
Service C alibrations 5-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 2. Li ne Se ns or The purpose of this Service Calibrat ion is to calibrate the intensity of the line s ensor in the Ca rriage PCA.
Ser vice Calibra tions 5-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 If you selected to continue, the n the following message appe ars on the front panel if media is not loaded.
Service C alibrations 5-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. Service S t ation The purpose of this Service Calibrat ion is to calibrate the Service Station i n relation to the Carriage Assembly . Perfor m the Service S tation Calibration whe never: Carriage As sembly is disassembled or replace d.
Ser vice Calibra tions 5-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 If you selected to continue, the n the following message appe ars on the front panel if media is not loaded.
Service C alibrations 5-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Roller Mark Posi tion The purpose of this Service Calibrat ion is to calibrate the Mark Encoder which is located on the Drive Roller . Perfor m th e Rolle r Mark Position Calibra tion whe never: Carriage is disassembled or replaced.
Ser vice Calibra tions 5-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4 Once the roller m a rk position calibration i s completed, t he following message will be displayed on the fr ont panel: Pres s EN TER to con t in ue To p Enter Back ↑ ↓ Pr ess E nter Ro ller ma rk p o s iti o n ca lib rat ed .
Service C alibrations 5-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Pen t o P aper Spacing W ARNING T HIS CAL IBRA TI ON IS NO LONGER REQUI RED AND SHOULD NEVER B E PERF ORMED.
Ser vice Calibra tions 5-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. Color to Color calibration The purpose of this Service Calibrat ion is to correct the alignment between the Printhe ads and the res t of the Printe r . T his calibrati on is necessar y in order to prevent color misalignment.
Service C alibrations 5-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If you selected to continue, the n the following message appe ars on the front pa nel if media is not loaded. NOT E Make s u re that you load E / A 0 size HP High Gloss Photo Pap e r or HP Coated medi a.
Ser vice Calibra tions 5-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l the front panel: In this case, to resolve the problem, try the following: 1 If the calibration pattern is bad: T ry recovering the Printheads using the front-panel menu and try the calibration again.
Service C alibrations 5-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 7. Calib ration s Backup The purpose of this Service Calibrat ion is to allow the EEROM contents to be s aved when the E lectronics Module or the T ubes Syste m has been replaced.
Ser vice Calibra tions 5-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l CANCE L i f you want t o cancel the Cali brati ons Backup. Press Enter once the sele ction ha s been ma de.
Service C alibrations 5-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual CANCE L i f you want t o cancel the Cali brati ons Backup. Press Enter once the sele ction ha s been ma de.
Ser vice Calibra tions 5-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 8. Pen Alignm ent The purpose of this Service Calibrat ion is to correct the alignment between the Printheads. This calibration is necessary in order to prevent color misalignment and print quality defec ts like banding.
Service C alibrations 5-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If you selected to continue, the n the following message appe ars on the front panel if media is not loaded. Y ou must load Media in to the Printer to continue. W ARNING Do NOT use Clear Film, V ellum or Natural T racing Paper .
Ser vice Calibra tions 5-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Carri age H eight Ca librat ion The purpos e of this Service C alibration is to adjust the dis tance between the Carriage Asse mbly and the Ce nter Platen. This calibration is necessary in or der to prevent problems like Printhead cras hes.
Service C alibrations 5-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E Du ring the Carriage Height Calibration procedure th e Carriage Assembly has to be moved along the length of the printer for correct calibration.
Ser vice Calibra tions 5-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 Remove the EMC Cover on the left han d side of the print ing a rea.
Service C alibrations 5-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4 Insert the Carri age H eight T ool into t he black ca rtr i dge slot .
Ser vice Calibra tions 5-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6 Loosen the two T 10 sc rews a t the bac k o f the C arria g e A ssembly .
Service C alibrations 5-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 8 Lowe r t he Car r iage A ssemb ly sli ghtl y , by tur nin g the T9 screw sho w n belo w anti- clockwise and then check for a scraping sound aga in as s how n previou sly in ste p 7 .
Ser vice Calibra tions 5-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 10 Raise th e Carr iage Asse mbly sligh tly , by tu rni ng the T9 scre w (s hown be low) clockwise .
Service C alibrations 5-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 12 W hen th e sc rapi ng ha s been el im inate d it is im po rt ant to le av e th e Car riag e Ass e mbl y as c l .
Ser vice Calibra tions 5-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 14 W hen th e com p le te l eng th o f the p rin ter is c alibr ate d (clea r of an y scra p ing sound) , tig hten the two T10 s cre ws at the back of the Carriag e Assembly t o secu re th e c u rr ent p o sitio n .
6-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 6 Prin t Quality 6 Print Q u alit y 6-2 Prin t Qu a lity Troubles hooting Chec klist 6- 2 Print M ode s 6 -3 Ho w to U s e th e Pri nt Qu.
Print Qualit y 6-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Prin t Qual ity Print Qual ity T r oubl esho otin g Checkli st When faced with an Pr int Quality problem, use the followin.
Print Qua lity 6-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Print one of the internal demos or print the Print Quality T est using HP Media and c onfiguring the printer as indicated previously .
Print Qualit y 6-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l How to Use the Print Quality T est W hat is the P ri nt Qu alit y T es t? The Printer contains an internal Print Quality T est which helps you to diagnose the pos sible source of any print quality def e cts.
Print Qua lity 6-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 2 Select Pri n t Qual ity from the Utilit ies / Te s t P r i n t s menu, then pr ess Ente r to print t he test.
Print Qualit y 6-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Noz zle Prin t T es t The noz zle print test is located on the Print Quality T est in the top section. In this tes t the 512 nozzles that e ach printhead uses to pr int with are tested.
Print Qua lity 6-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual How to fix the No zzle Defects NOT E I f your printer has nozzle defects, it does not mean that you will not get p e rfect print quality r esults . The print er has auto matic procedures to h ide man y nozzl e def ects.
Print Qualit y 6-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Below are shown two exa mples of alignm ent and misalignment: Solvin g the Color Alig nm ent Proble m 1 Make sure you have media loaded ( not clear film, vellum or tra cing paper).
Print Qua lity 6-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ov er all Prin t Qu alit y T est in B EST mode Blue, Gr een , Red, Black, Y ello w , Magenta, Cyan T est This test pattern checks performance for banding in Be st mode only for the media you ar e using.
Print Qualit y 6-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Solvin g the Ba nd ing Problem There main causes of banding: Printhead problems (see below). Use of Non-HP media Incorr ect media type selected in the front panel. Media advance problems.
Print Qua lity 6-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 2 The light or dar k horizontal lines could also be ca used by permanently damaged printheads. T he possible combinations with this problem are: Banding in cyan , blue and green columns only , but more evident in cyan.
Print Qualit y 6-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Banding in all o f the c olors 1 Make sure that the media se lection made in the front pa nel is the same as the media that you have l oa ded. 2 It is possible that the banding was caused because the customer was using non-HP media.
Print Qua lity 6-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T r oubles hooting P rint Qua lity Pr oblems Probl em s wi th S tepp e d Li ne s De sc ript ion of probl em When you look at the image you have printed ther e a re ‘ste pp ed lines’ in the borders of arrows and diagonal lines.
Print Qualit y 6-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Probl ems with pr in tin g lines De sc ript ion of probl em When you look at the image you have printed ther e a re: Missing or faint lines Printed text having missing parts to them.
Print Qua lity 6-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Problems with Colo r - to- Color Align men t De sc ript ion of probl em When you look at the image you have printed: The .
Print Qualit y 6-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 Go to the Printer s ubmenu and press Ent er . 3 Perform the Printhead Alignment Calibration by going to Utilities/ Calibration/Printhead Alignment. Please wait as the proces s of aligning the printheads takes a fe w minutes.
Print Qua lity 6-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Probl ems wi th Hor i zonta l Line s (Ban di ng) De sc ript ion of probl em When you look at the image you have pri nted there are light or dark lines on the image, these are par ticularly highlighted in high dens ity ink areas.
Print Qualit y 6-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 5 Go to the pr inter submenu and press En ter . 6 Go to Utilities/T est Prints/Print Quality and press Ente r . 7 The printer will print a diagnostic tes t print. This will help you find the source of the ba nding problem.
Print Qua lity 6-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual d Perf orm the printhea d a lignment procedure . e Reprint t he i ma ge you were a ttempting to print before (i n the same mode) to se e if the p ro bl em stil l exists.
Print Qualit y 6-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 11 When you look at the image you have printed there is banding on the image, but only in a fe w colors, similar t o the example shown below .
Print Qua lity 6-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual No Print ing De fe ct s Found in the P rint Qualit y T es t If all the test patterns from the Print Quality T est are cor.
Print Qualit y 6-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Solvin g Color Accuracy problems These are two areas you should review when troubleshooting a color a ccuracy problem: Configurat ion (PostScr ip t option only) Check tha t you a re using the corr ect driver s etting and CRD information for the software.
Print Qua lity 6-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Color Accu racy Co nfigurat ion The c onfigurations of the printer , the driver , and the soft ware R IPs define how ink is applied t o each type of media. Use the information in the f ollowing table to configure the printer a nd software for best color a ccuracy.
Print Qualit y 6-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Media Always ma ke sure that the customer is us ing the appropriate media for the re quired im a ge a nd that it is c onsistent with the software application being used.
7-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 7 Parts and Diagrams 7 Print e r Su pport 7- 2 Rear Covers 7-4 Elect ron ics Modul e 7- 6 Right Hand Cove r 7-8 Left Hand Cover a nd W in.
Parts and Diagr ams 7-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Prin te r S uppor t Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-6.
Parts and Diagrams 7-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 3: Printe r Suppor t 5 3 3 2 2 4 1.
Parts and Diagr ams 7-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Rear Cov ers Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60168 1 .
Parts and Diagrams 7-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 4: Rear Covers 12 13 13 3 1 2 11 10 4 14 8 5 and 6 7 9 14 8.
Parts and Diagr ams 7-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Electronics M odu le Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 J31 13.
Parts and Diagrams 7-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 5: Elect ronics Module 11 12 10 9 1 2 4 3 8 7 12 5 6.
Parts and Diagr ams 7-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Rig ht Hand C ove r Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-6.
Parts and Diagrams 7-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 6: Right Han d Cover 1 6 2 4 2 5 3 2 2.
Parts and Diagr ams 7-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Left Hand Cover and Wi ndow Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s .
Parts and Diagrams 7-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 7: Left Han d Cover and Wind ow 2 7 2 6 5 3 2 4 2 1 8 9.
Parts and Diagr ams 7-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Right Hand Assemblies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C607.
Parts and Diagrams 7-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 8: Right Hand Assembly 3 4 1 9 2 2 6 8 7 5.
Parts and Diagr ams 7-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l ISS and APS Assemb ly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C607.
Parts and Diagrams 7-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 9: Ink Supply S tation 2 1.
Parts and Diagr ams 7-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Clutch Assembly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-6015.
Parts and Diagrams 7-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 10: Clutch As sembly 1 2 1 2.
Parts and Diagr ams 7-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Carriag e Assem b ly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072.
Parts and Diagrams 7-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 1 1: Car riage As sembly 2 1 5 3 4.
Parts and Diagr ams 7-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Scan-Axis Ass emb lies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C60.
Parts and Diagrams 7-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 12: Scan-Axis Assemblies 8 and 9 4 5 3 4 15, 16, 17 and 18 10 7 8 and 9 2 6 1 12, 13 and 14 11.
Parts and Diagr ams 7-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Drive Roller a nd ARSS Miscellaneou s Parts NOTE Items 1 and 3 ar e not o rderable sepa rately . Th ese parts are included when you ord er the Dri v e Roller Assembly on Page 7- 28.
Parts and Diagrams 7-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 13: Drive Roller and ARSS Misce llaneous Parts 1 2 2 3 4 4 5 5 5 5 7 6.
Parts and Diagr ams 7-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Paper Path Assem blies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C60.
Parts and Diagrams 7-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 14: Paper P ath Assemblies 8 7 3 3 1 2 4 5 and 6.
Parts and Diagr ams 7-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pinch Assemb ly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-6000.
Parts and Diagrams 7-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 15: Pinch As sembly 2 1 1.
Parts and Diagr ams 7-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Drive Roller Ass emb lies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 .
Parts and Diagrams 7-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 16: Drive Roller Assemblies 3 1 2 4 and 5.
Parts and Diagr ams 7-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Center Guide and Media Senso r Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment.
Parts and Diagrams 7-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 17: Center Gu ide and Media Sens or 2 2 2 1 3.
Parts and Diagr ams 7-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l T ube s Guide Asse mb lies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1.
Parts and Diagrams 7-33 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 18: SRK T ubes Guide Assemblies Right Hand Side Left Hand Side 1 2 3 4 4 4 4 5 4.
Parts and Diagr ams 7-34 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Order ing Ac cess orie s Item HP Par t Number HP De signJet 10 50C and 1055CM Quic k R eferenc e G ui de Englis h Ko.
Parts and Diagrams 7-35 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Item HP Par t Number Driv er s Lat es t version s of the foll owing were shipped wit h the 1055CM: HP DesignJet PostS.
Parts and Diagr ams 7-36 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l.
8-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 8 Removal a nd Installation 8 Right Hand Cove r 8-4 Front Pane l Assembl y 8-6 Right Hand T r im and W indo w Switch 8-7 Ser vi ce Statio.
Removal and Insta llation 8-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Int roduction This chapter is a step by step guide to the r emoval and installation of the key components in the printer . Y ou may find it useful to tick off the steps as they are performed.
Removal and Installation 8-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Electr o static Disch arge (ESD) P recautions T o prevent dam age to the Printer cir cuits f rom hi gh- voltage electr os tatic dischar ge (ESD): 1. Do not wear clothing that is subject to static build- up.
Removal and Insta llation 8-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Right Hand Cove r Refer to F igur e 1 Removal 1. Remove the Printhead C leaners ( Refer to the User Guide). NOT E Make sur e that the Se rvice S tation Carriage is pushe d to the back before trying to remove the Right Cover .
Removal and Installation 8-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 1: Right Cover C60740 7 1 2 4 3.
Removal and Insta llation 8-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Insta llation of t he Right H and Cov er NOT E E nsur e the fron t panel cabl e and the ae r os ol fan c ables are secured inside the right hand cover with cable clamps and ret aining c lips .
Removal and Installation 8-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Rig ht Hand T rim an d W indow Sw itch Refer to F igur e 3. Removal W ARNING S witch of f t he printe r and remove the po wer cab le. 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4.
Removal and Insta llation 8-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Servic e S tation Assembly Refer to F igur e 4. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Printhead Clea ners (Refer to the User Guide).
Removal and Installation 8-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 4: Service S tation Ass embly NOT E Y ou must p erform t he following Ser vice Calibrations af ter th e installation of the Service S tation Assembly . Serv ice Stati on ⇒ Page 5- 1 1 .
Removal and Insta llation 8-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Dr o p Dete ctor Asse mbly Refer to F igur e 5. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Printhead Clea ners (Refer to the User Guide).
Removal and Installation 8-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual V acuum Fan Refer to F igur e 6. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4.
Removal and Insta llation 8-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Paper-axis M otor A ssemb ly Refer to F igur e 7. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4.
Removal and Installation 8-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Left H and Cove r Refer to F igur e 8 to Figur e 15. Removal 1. Remove t he Ink C art ridges (R efer to t he User Guide ). W ARNING S witch of f t he printe r and remove the po wer cord .
Removal and Insta llation 8-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2. Releas e the tube holder (i tem 1) from the rear of the left hand cover by pushing i t up and out ( r efer to Figur e 9). Figur e 9: T ube Grip 3. T wist the two latches at the re ar of the ink car tridge tube connector outwards (refer to Figure 10) .
Removal and Installation 8-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Slide the ink c artridge tube connector assembly towards you (refer to Figure 1 1). Fi gur e 1 1: Ink Cartridge T ube C on ne ctor (pulled bac k) 5. Disconnect the ink cartridge tube conne ctor cable (refer to Figur e 12).
Removal and Insta llation 8-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. Disconnect the air tube (refer to Fi gure 13). Figur e 13: Air T ube 7. Remove the ink ca rtridge tube connector ( item 1) from the rear of the left hand cover (item 2) and store it safely on top of the Pri nte r (refer to Figure 14) .
Removal and Installation 8-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E In the followi ng ste ps , r e f e r to Figur e 15 . 8. Remove two T -15 scre ws (item 1) from the left hand trim. 9. Remove two T -15 screws (item 2) f rom the rear of the left hand cover which are securing the cove r to the left hand s i de chassis.
Removal and Insta llation 8-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Left Hand T rim Assem bly Refer to F igur e 16. Removal 1. Remove 4 screws ( Item 1) that attach the Left Hand T rim (I tem 2) to the Pr inter . 2. Remove the Left Ha nd T rim (Ite m 2) fr om the Pri nte r .
Removal and Installation 8-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ink Su pply S tat ion Asse mbly (ISS) Refer to F igur e 17. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Ink Cartridges (Refer to the User Guide).
Removal and Insta llation 8-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Air Pr essurization System (APS) Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Ink Cartridges (Refer to the User Guide).
Removal and Installation 8-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Clutch Assembly and left hand miscel laneous parts Refer to F igur e 19 and F igur e 20. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1.
Removal and Insta llation 8-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 20. 6. Remove the two T -10 screws (it em 1) from the le ft r o ller ge ar (ite m 2) attached to the left side of the roller .
Removal and Installation 8-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T ail De flectors an d Rear P laten Refer to F igur e 21. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the thr ee Deflectors (item 1) by un c l ipping them from the Rear Platen (Item 3).
Removal and Insta llation 8-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Left and Rig ht Rear Covers Refer to F igur e 22. Removal W ARNING S witch of f t he printe r and remove the po wer cord . NOT E W orking f rom the r ear of the Print er .
Removal and Installation 8-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Electronics M odu le Refer to F igur e 23 and F igur e 24. Removal W ARNING S witch of f t he printe r and remove the po wer cord . NOT E W orking f rom the r ear of the Print er .
Removal and Insta llation 8-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Figure 23: Elect ronics Module NOT E F or the following steps, r ef er to Figur e 24. 8. Remove two T -20 screws (item 1) w hich can be found at both ends of the electronics module a t the b ottom.
Removal and Installation 8-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Inst allation of t he Electro nics Mo dule W ARNING Wh en reconnecting the T r ailing Cable to the Electron ics Module, make sure you con nect it correctly as follows: 1.
Removal and Insta llation 8-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E Y o u must perform the f ol lowing Service Calib ration and Utility after the installation of the Electron ics Module. Set Asian PS Fonts (only i n Asia) ⇒ Page 4- 33 .
Removal and Installation 8-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Me di a Se nso r Removal W ARNING S witch of f t he printe r and remove the po wer cord .
Removal and Insta llation 8-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l W indow Refer to F igur e 26. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Open the window and holding both s ides pull up to remove.
Removal and Installation 8-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T op Cover Refer to F igur e 27. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove one T - 15 screw I tem 1) f rom the front of the top cove r (item 2).
Removal and Insta llation 8-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Back Cov er Refer to F igur e 28. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "T op Cover " see page 8- 31.
Removal and Installation 8-33 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Scan-axis Mo tor A ssemb ly Refer to F igur e 29. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4.
Removal and Insta llation 8-34 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l En cod er S tri p Refer to F igur e 30 to Figur e 32. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following 1. "Left Hand Cover " see page 8-13.
Removal and Installation 8-35 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or s tep s 4 and 5, refer t o Fi gure 31. 4. Remove the 5.5mm nut (item 1) f rom the left side of the P rinter that attaches the Encoder Strip (item 3) to Spring C lip ( item 2).
Removal and Insta llation 8-36 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 32. 6. Remove the 5.5mm nut ( item 1) f rom the right s ide of the pr inter securing the encoder strip (item 2) .
Removal and Installation 8-37 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T ension er Refer to F igur e 33 to Figur e 35. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following 1. "Left Hand Cover " see page 8-13.
Removal and Insta llation 8-38 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. Remove the belt (item 1) from the belt motor pulley (item 2) on the right hand side of the Printer (refer to Figure 34) Figur e 34: T ensioner Assembly NOT E F or st eps 4 t o 6, refer t o Figure 35.
Removal and Installation 8-39 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T r ailing Cable Refer to F igur e 36 and F igur e 37. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4.
Removal and Insta llation 8-40 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 37. 6. Remove the T - 15 screw ( item 1) from the trailing cable holder (item 2) a nd remove. 7. Remove two T -10 sc rews (item 3) from the tra iling cable clamp (item 4).
Removal and Installation 8-41 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. When the T r ailing Cable is inser ted correctly , the sha ded par t (as shown below) will not be visible. 4. Before power ing ON the Printer , che ck the continuity (using a tester) between the two points (as s hown below).
Removal and Insta llation 8-42 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Cutter Assembly Refer to F igur e 38 to Figur e 40. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "T op Cover " see page 8- 31.
Removal and Installation 8-43 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or s tep s 3 and 4, refer t o Fi gure 39 3. Loosen the retaining s crew T -9 at the back of the printhead tub e connector . 4. Remove the printhead tube connector ( refer to Figure 39) .
Removal and Insta llation 8-44 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Carriage Asse m bly and Belt Refer to F igur e 41 to Figur e 51. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1.
Removal and Installation 8-45 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or s tep s 3 and 4, refer t o Fi gure 42. 3. Loosen the retaining screw T -9 at the back of the printhead tube connector . 4. Remove the printhead tube connector ( refer to Figure 42) .
Removal and Insta llation 8-46 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or st eps 6 t o 8, refer t o Figure 43. 6. Unclip and r emove the tr ailing ca ble restraining clip ( item 2) from the Ca rriage As sembly (ite m 1). 7. Carefully disconnect the trailing ca ble (item 3) f rom connector s in the Carriage PCA (item 4).
Removal and Installation 8-47 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 9. T o release the t e nsion on the be lt (item 1) from the left hand s i de of the Printer , squeeze the spring ( item 2) using the tensioner wedge clip (item 3) until you hear it click into place (refer to Figur e 44).
Removal and Insta llation 8-48 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or st eps 1 1 and 12, refer to F igure 46. 11 . Remove the 5.5mm nut (item 1) f rom th e le ft s ide of the Printer that attaches the Encoder Strip (item 3) to Spring C lip ( item 2).
Removal and Installation 8-49 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or st eps 13 t o 15, refer t o Figure 47. 13. Remove the tensioner pulley (item 1) f rom the belt (item 2) which is located in the tens ioner assembly (item 3).
Removal and Insta llation 8-50 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 48. CAUTION The rear b ushing (item 1) on th e carriage assembly is tensioned with a spring (item 2). When r emoving the carriage asse mbly (item 3) hold the rear bushing on the carriage assembly .
Removal and Installation 8-51 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Insta llat ion of the Ca rriage Assemb ly NOT E P lease take note of th e following steps when installing the Carriage As sembly .
Removal and Insta llation 8-52 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. When installing the belt, make sure it is not twis ted and is ins talled in the correct orientation as shown i n Figure 51.
Removal and Installation 8-53 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T ubes S ystem Ass embly Refer to F igur e 52 to Figur e 63. Removal 1. Remove the Printheads, Ink Cartridges and the Printhead cleaners. (Refer to the User ’ s Guide for details) .
Removal and Insta llation 8-54 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. Remove the following: 1. "W indow" s ee page 8-30. 2. "T op Cover " see page 8- 31. NOT E F or the following steps, r ef er to Figur e 54.
Removal and Installation 8-55 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E W orking f rom the r ear of the print e r . 7. Open the door at the back of the left ha nd cover by r emoving two T15 screws (item 1) ( refer to F igure 56).
Removal and Insta llation 8-56 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 9. T wist the two latches (item 1) at the r ea r of the ink car tridge tube connector (item 2) to the outwards. This will re lease the comp lete asse mbly (refer to F igure 58).
Removal and Installation 8-57 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 11 . Disconnect the ink cartridge tube connector cable (item 1) (refer to Figure 60). Figure 60: I nk Cart ridge T ube Connect or Cable 12. Disconnect the air tube (refer to Fi gure 61).
Removal and Insta llation 8-58 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 13. Remove the ink ca rtridge tube connector ( item 1) from the rear of the left hand cover ( item 2) , rest the a ssembly on the lef t hand cover (refer to Figure 62) .
Removal and Installation 8-59 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual CAUTION The complete ink t ube system is full of ink. 15. Now you c an remove the complete T ubes System from the printer by sliding the tubes from between the tube guid e s.
Removal and Insta llation 8-60 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ink Leak D etec tor Asse mbly Refer to F igur e 64 to Figur e 66. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1.
Removal and Installation 8-61 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Rem ov e the sc rew a nd clip ( item 2) from the b ac k of th e P rinte r a n d discon ne ct t he Ink Le ak Det ector Ca bl e Connec t or (it em 1) as show n in Figure 65.
Removal and Insta llation 8-62 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Fr ont Plate n Assembly Refer to F igur e 67. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Open the window . NOT E I n the following steps, please treat the screws with gr eat car e as they c an eas ily be damaged.
Removal and Installation 8-63 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Platen Assembly Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Open the window . NOT E I n the following steps, please treat the screws with gr eat car e as they c an eas ily be damaged.
Removal and Insta llation 8-64 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Paper Entry Assembly Refer to F igur e 69 to Figur e 71. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. 1.Remove the following: 1. "Left Hand Cover " see page 8-13.
Removal and Installation 8-65 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. Remove the T -10 screw (it em 1) from the linkage rod (item 2) and the pinch- wheel c am (item 3) (r efer to Figure 70). Figur e 70: L inkage Rod NOT E F or s tep s 4 and 5, refer t o Fi gure 71.
Removal and Insta llation 8-66 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Roll er Guide Refer to F igur e 72 to Figur e 75. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Left Hand Cover " see page 8-13.
Removal and Installation 8-67 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Remove the four T -15 screws (item 1) secur ing the left hand electronic module mount (item 2) to the left ha nd side chassis (re fer to Figure 73). Figure 73: Le ft E lectronic Modu le Mount 5.
Removal and Insta llation 8-68 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or th e following s teps refer to F igure 75. 6. Remove the three T -15 screws from the right side of the roller guide assembly (item 2) . NOT E B e c areful not t o drop the roller guide once the s ecurin g fast eners have been r emoved.
Removal and Installation 8-69 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual M edi a H old er S t r i p Refer to F igur e 76. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Electr onics M odule" see page 8- 25.
Removal and Insta llation 8-70 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Drive Roller Refer to the Figur e 77. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Clutch Asse mbly" see page 8- 21.
Removal and Installation 8-71 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Cen ter Gu i d e Refer to F igur e 78 to Figur e 80. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Left Hand Cover " see page 8-13.
Removal and Insta llation 8-72 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4. Remove the two T -15 screws from the right hand side plate secur ing the right side of the center guide (refer to Figure 79).
Removal and Installation 8-73 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Pinch-Wheel Assembly and Cam Refer to F igur e 81 and F igur e 82. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1.
Removal and Insta llation 8-74 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E W orking f rom the r ear of the print e r NOT E F or s tep s 3 and 4 ref er to Figure 82. 3. Remove the twelve T -15 screws ( item 1) secur ing the pinch-arm asse mblies (item 2) to the unde rneath of the scan axis.
9-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 9 Pr eventive Maintenance 9 Moistu re o n th e P rinte r 9- 2 Noisy Carr i age Bushing 9- 2 Belt Sw el lin g 9-2 Cle ani ng t he Pr inte .
Preventive Maintenance 9-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pr eventive Maintenance Moistur e on th e Print er Users should use the Printer i n an environment between 20% and 80% relative humidity .
Preventive M aintenance 9-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Cleaning the Overdrive NOT E I f ink is spilled on the Overdrive , re move the ink. Due to t he ink’ s reflectance, in k on the O verdrive can disru pt the Pri nte r’ s edge- sensing functi on.
Preventive Maintenance 9-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l panel displays the f ollowing message: "Maintenance Advised" The Service Configuration Print also c onveys the us age information, and it is acc essible by the us er .
10-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 10 Functi onal Overview 10 Intr oduc tion 10-2 HP DesignJ et 1 050C Print er 10- 2 HP Desi gnJet 1 055CM printer 1 0-2 Elec tric al Sy s.
Functional Overview 10-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Intr oduction This Chapter cont ains a si mplified description of the HP Desig nJ et 1050C/1055CM Printer circuits and mechanical functions. Mechanical a nd printed C irc uit As sembly (PC A) ove rviews pr esent a functional description of how the Printer ope rates.
Functional Overview 10-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual sensor . Service station: Contains the electronics nee ded to perform drop detection, a DC motor /encoder for capping, wiping a nd spitting and a stepper motor for pr iming.
Functional Overview 10-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Soft Power -Off Switch There is a power -of f switch on the fr ont panel to switch OFF the product in a contr olled way .
Functional Overview 10-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual menus: Back , En te r , Up , Down and Menu . (Y ou can print a demo plot ca lled Menu to get the complete menu tree). 1 key on the upper r ight corner is us ed to switch the power ON and OFF .
Functional Overview 10-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Tu b e s S y s t e m The T ubes System is the a ssembly that pe rforms these functions: Conduct the ink pumped from the Ink Cartridge to the Pr inthead. Conduct the air fr om the pump int o the Ink Cartridge.
Functional Overview 10-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Air Pre ssurization S ystem (APS) The APS is the system that provides and contr ols the pr essurization of the ink in the Ink Cartridges.
Functional Overview 10-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l remaining ink. T hese two coils are par t of a fl ex PCB that also includes the connection pads and the ink lea k detec tion pads. The IS S board includes the electronics r equired to measure the level of ink using this variable transformer .
Functional Overview 10-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual At t he ink col lec tor there ar e two metal lic pi ns be tween which t he re si sta n ce i s c hecked. When t here i s no l eaka ge, ther e will be a ir pre sent and the re si st ance measured will be high.
Functional Overview 10-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Cap The purpos e of the caps is to pr event the nozz les from drying out while the printer is idle. The caps seal of f the printhead, forming a closed, high humidity chamber with small volume that is vented to ambient through a long and narrow pa ssage.
Functional Overview 10-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Sno ut W ipe r Snout wiper is used to clean the ink accumulation that happens on the snout of the pen (vertica l corner on t he interconnect side) because of wiping ope ration.
Functional Overview 10-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Prin ter Spe cific ations Func ti on al Spe cif ica tio ns HP No. 80 Supplies Four colors: cy an, magenta, yellow and blac k. Print he ads: 600 dpi, 12.0 kHz (Cya n, Mag e nta, Y ellow).
Functional Overview 10-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Roll (nor ma l) Sheet (n or ma l) R o ll (e x tende d) Sheet (e x tende d) Margins Side Mar gins 5mm Leading ed ge .
Functional Overview 10-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E If the printer temperatur e falls below its minimu m operating tem perature it may s top to protect it s ink system s . NOT E At 3000m altitude th e printer may have operational pr oblems.
Functional Overview 10-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual EMC (Ele ct roM agn et ic C ompa t ibil ity) Spe cif ic ations Ca na da Canadian Dep art m ent of Communic ations, Radi o Interference Re gul ations Clas s B 1 com plia n t.
Functional Overview 10-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Printab le Ar ea P rin ting Area (= Pa pe r Si ze M inus Marg ins) Pa pe r Si ze ( and O rie ntat ion o f Paper) Pr.
Functional Overview 10-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Interfa ce Spe cific ation s Below are the pa rallel interface specifica tions.
Functional Overview 10-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Regulatory Notice s T o Obta in a Ma t eri al Sa fety Data She et (M S DS) Y ou can obtain current Material Safety .
Functional Overview 10-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual CAUTION Pursuant to Par t 15. 21 o f th e FCC Rules, any c hanges or m odific ations to this e quip me nt not expre.
Functional Overview 10-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l W hen connect ed to LA N cab les u sing print s erv e r acce ss orie s… This equipment has been tested and found to comply wit h the limits for a Class A digital devic e, pursuant to part 15 of the FCC Rules.
Functional Overview 10-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual VCCI Cl ass A and Cla ss B (Jap an) Korean EMI stat em ent Ta i w a n e s e E M I stat em ent Te l e - comm un icat.
Functional Overview 10-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l De clarat ion of Conf ormit y DECLARA TION O F C ONFORMITY according to I S O/IEC Gui de 22 a nd E N 45014 Ma nufacture r ’ s Na me: M a n uf a ct urer ’ s A dd ress : He wlet t-P a c kard Espa ñola S .
Functional Overview 10-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual www .designjet-on line.hp.c om Dir ect acc ess to H P and the information you want, when you need it. R egister now! HP Desi gnJet Onli ne is a f re e, we b -b a s ed “u se r cl u b” ex cl usi v e to HP DesignJ et use rs.
Functional Overview 10-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l.
Glossary G-1 Gl ossary 11 ac Al ter nat in g c ur r ent . ANSI size An American standa rd media s ize; e .g. D, E applic ation The softwar e you use to c reate your dr awings. APS Air Pressurization System Cent ronics A standard for the pa rallel interface betwee n computer and device.
Gl ossa ry G-2 HP - G L/ 2 One of H ewlett-Packard’ s standar d graphics languages for plot te rs and printers. Pr oduces vector data. Newer than HP-GL. IDS Ink Delivery System. I/O Inp ut/ou tput The tr ansmission of data between a comput e r and a device.
Glossary G-3 P ANT ONE The P ANTONE MA T CHING SYS TEM® is an interna tiona l standard for c olor communication in the gr aphics ar t industry . pen Even though the plotter has no phys ical pens, the lines it dr aws match the attributes of a pen.
Gl ossa ry G-4.
Index Index-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Index 12 A Accessor ies 7- 34 Accuracy Calibration 5-6 Acoustic Specifications 10- 14 Air Pr essurization System 8-20, 10- 7 AP.
Index Index-2 HP DesignJ ets 1050C and 1055CM Print ers Service Manua l Functional Overview Air Pr essurization System 10-7 Electri cal S yst em 10-2 Ink Level Sens e 10-7 Ink Supply Station 10-5 Leak.
Index Index-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual P Paper Axis Ser vice Test 4-20 Paper Ent ry Assembly 8-64 Paper Path 7-24 Paper-axis Motor 8-12 Par ts Lis t APS As sembly 7-1.
Index Index-4 HP DesignJ ets 1050C and 1055CM Print ers Service Manua l Removing Air Pr essurization System 8-20 Back Cover 8-32 Belt 8- 44 Carri a ge Assembly 8-44 Center Guide 8- 71 Clutch Assembl y.
Index Index-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Set Asian PS Fonts 4-33 Tubes Purge 4-28 Set Asian PS Fonts 4-33 Shielded cables 10-18 Smear s 6-24 Snout Wiper 10- 11 So ft Po.
Index Index-6 HP DesignJ ets 1050C and 1055CM Print ers Service Manua l.
About this Ed ition T his is th e 1 st e d it ion o f t his Se rvi ce M a n ua l 1st editi on, t itled HP C60 74A/C6075A DesignJ et 10 50C and 105 5CM Servi c e Manua l.
1 What’ s in t his Service Ma nual This m anual cont ains i nformation nece ssary to te st, cali brate a nd servi ce : - HP De si gnJet 1050C (m odel C6074A) - HP De si gnJet 1055CM (m odel C6075A) For in form ation a bout using the s e pri nte rs, refer to t he correspon ding User and Quic k Refe rence Guides.
An important point after buying a device HP 1055CMHP (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought HP 1055CMHP yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data HP 1055CMHP - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, HP 1055CMHP you will learn all the available features of the product, as well as information on its operation. The information that you get HP 1055CMHP will certainly help you make a decision on the purchase.
If you already are a holder of HP 1055CMHP, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime HP 1055CMHP.
However, one of the most important roles played by the user manual is to help in solving problems with HP 1055CMHP. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device HP 1055CMHP along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
