Instruction/ maintenance manual of the product OKIFAX 5050 Oki
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OKIFAX 5050 Handbook OF5050M.PM6 4/15/98, 9:23 AM 1.
Every effort has been made to ensure that the infor mation in this document is complete, accurate, and up-to-date. Okidata assumes no responsibility for the results of errors beyond its control.
Federal Communications C ommission Requirements for End Users This device has been granted a registration number by the Federal Communications Commission, under Part 68 rules and regulations for direct connection to the telephone lines.
FCC T elephone Consumer Protection Act The Federal Communications Commission Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device to .
overloading. The termination of a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all the devices does not exceed 100. L’etiquette du Industrie Canada identifie le materiel homologue.
d’inspection des installations electriques, ou a electricien, selon le cas. L’indice de charge (IC) assigne a chaque dispositif terminal indique, pour eviter toute surcharge, le pourcentage de la charge totale qui peut etre raccordee a un circuit telephonique boucle utilise par ce dispositif.
Safety Installation Hints ■ Install your OKIF AX 5050 in a dust-fr ee location away from direct sunlight. ■ Do not plug your OKIF AX into a power source shared by equipment which produces electrical noise (i.e., air conditioners, etc.). ■ Leave electronic adjustments to authorized service personnel.
■ When relocating your OKIF AX, always disconnect the telephone line before disconnecting the power cord, then reconnect the power cord first. ■ This unit is not intended to be used in parallel with any other telephone devices.
Direct Access This special section of the Table of Contents points you dir ectly to the things you’re most likely to do with your OKIF AX 5050. See the Table of Contents and Index for a complete listing of topics. How to Set or change the Answer mode .
Contents Introduction ........................................................................... 1 Features ..................................................................... 1 Product Options ......................................................
Document Size ..................................................... 3 2 Multiple Page Documents ..................................... 3 2 Loading Documents ................................................ 33 Sending a Fax to a Single Location ........
User Function Settings List ................................... 49 Setting Distinctive Ring ......................................... 51 Changing Your User Function Settings ................. 5 3 Dial Parameter Settings ...............................
Introduction 1 Introduction Thank you for purchasing this OKIFAX 5050 fax machine. It uses advanced LED technology to transfer faxed and copied images to plain paper quickly and sharply. Features The OKIFAX 5050 includes these features: ■ One-T ouch keys for automatic, single-key dialing of pre- programmed telephone numbers.
■ A closed network feature to let you limit who can send faxes to your OKIF AX and whom your OKIF AX can send faxes to. ■ A convenience copy feature that lets you make up to 99 sorted copies of an original document. OKIFAX 5050 Features ■ 15 One T ouch keys.
Component Identification 3 Component Identification What You Should Receive OKIFAX 5050 Power Cord Toner Cartridge Telephone Cord Image Drum Unit (inside unit) Document Stacker Handbook & Quick Start Guide Of5050hw.
4 Introduction Components Paper Path Icon Load documents here face down. Document Stacker Holds your original documents after they are faxed or copied Numeric Keypad Use to enter phone numbers, auto dial numbers, or information programmed into the OKIFAX.
Introduction 5 Components Back Cover Open this cover to expose expansion slot to install the optional memory expansion board. LINE Jack Jack for connecting to an outside telephone line. TEL 1 Jack TEL 2 Jack Jacks for connecting to an optional handset, external phone, or answering machine.
6 Introduction Control Panel Of5050hw.pm6 4/15/98, 9:26 AM 6.
Introduction 7 Control Panel Keys and Indicators 1 Display Panel: Refer to this display for instructions and information while your OKIF AX is performing opera- tions or while you are entering information or changing settings. 2 Copy key: After loading a document, press this key to make a copy.
8 Introduction If you have an optional telephone handset or external telephone connected to your OKIF AX, you can also use this key to initiate or answer a request for voice communi- cation during a fax communication.
Introduction 9 17 Alarm indicator: This indicator glows red and an alarm sounds to notify you of any problem that occurs. Check the display panel for an explanation of the problem. T o turn the alarm indicator off, press the Stop key and correct the problem.
10 Introduction The One Touch Keypad The One Touch keys are your OKIFAX’s most important tool. Use them for quick, one-touch dialing, and to access most functions and programming options.
Introduction 11 8/Location Program key: Use this key to program One Touch keys, Auto Dial numbers and groups. See the “Dial Direc- tories” chapter. 9/User Program key: Use this key to program identification information, to set the clock, and to change function and dial parameter settings.
12 Introduction Installation Installation 12 Getting Started T o install your new OKIF AX, follow the instructions from Unpacking to Setting the Fax Identification.
Installation 13 2 Press in the cover release buttons on the side of the copy stacker until it clicks open. Lift up the stacker. 3 T ake out the image drum cartridge. 4 Remove the protective sheet. Be careful not to touch the green surface of the drum.
14 Installation 5 Replace the image drum cartridge. Install the Toner Cartridge 1 Remove the sponge and discard. Warning: Be c areful when handling the toner cartridge. Do not let toner spill on your clothing or other porous materials. If you experi- ence any problems with toner, see the Safety chapter at the be- ginning of this handbook.
Installation 15 5 Close the copy stacker—push down until you hear both sides click into place. 6 Close the document table. 1 ABC 2 DEF 3 GHI 4 JKL 5 MN 6 PRS 7 TUV 8 WXY 9 * OQZ 0 # HYPHEN RED COPY HOOK V.
16 Installation 3 Plug one end of the handset cord into the handset and the other end into the jack on the front of the cradle. Place the handset in the cradle.
Installation 17 6 Insert the end of the cord into the TEL 1 or TEL 2 jack on the back of the OKIF AX. Note: The two TEL jacks are provided to allow you to connect both an external handset and an answering machine.
18 Installation 3 Plug the other end into a gr ounded AC power outlet. 4 Turn on your OKIF AX. After the unit warms up, the time and current answering mode appear on the display. Y our OKIF AX is now in standby mode, ready to send or receive faxes. Loading Paper Y our OKIF AX 5050 can hold up to 250 sheets of standard-weight (20 lb.
Installation 19 7 Replace the paper tray. Push it forward until it locks. Setting the Date and Time 1 Press the Select Function key. 2 Press the 9/User Program One T ouch key located on the OneT ouch keypad. 3 On the numeric keypad, press 3. The display shows 3:CLOCK ADJUSTMENT .
20 Installation Setting the Answering Mode The answering mode determines how your OKIFAX handles incoming fax and voice calls. The standby display shows the current answering mode. Answering Mode Options The answering mode you choose depends on how you use your OKIFAX and what telephone equipment is con- nected to it.
Installation 21 Changing the Answering Mode 1 Press the Auto Rec key. A description of your current selection displays. 2 Press the Auto Rec key again. Y our OKIF AX switches to the next setting. 3 Continue pressing the Auto Rec key until the selection you want appears on the display.
22 Installation 11 Press the Select Function key to finish. Setting the Language Your OKIFAX 5050 comes with two languages in- stalled—English and Spanish, French or Portuguese, de- pending on where you bought your unit—which appear on the display and in reports.
Installation 23 Connecting to a PBX A PBX (Private Branch Exchange) is a private telephone system used to route internal calls. If you have to dial a prefix (access digit) to get an outside line, then your line is connected to a PBX. If you are connecting your OKIFAX to a PBX, follow the instructions below.
Copying 24 Making Copies You can use your OKIFAX as a stand-alone copier to make up to 99 copies of a document at one time. The default resolution for copies is FINE; you can also use the Yes § key to change to a finer resolution before you press the Copy key.
Copying 25 5 T o stop the copying process, press the Stop key. Using the Manual Paper Feeder Your OKIFAX’s manual paper feeder allows you to make copies on a different type of paper than what you normally keep in the paper tray. To make copies using the manual paper feeder, follow the instructions below.
26 Copying 5 Insert a sheet of paper face up. Adjust the guides again to ensure that the paper is straight. KL 5 MN 6 TUV 8 WXY 9 * OQZ 0 # 6 Press the Copy key (see the instructions above). If you are making more than one copy, or copying a multipage document, insert additional sheets when the previous sheet is all the way through the machine.
Faxing: Dial Directories 27 Faxing: Dial Directories This chapter explains how to make faxing easier by programming frequently used fax numbers into the One Touch keys and the Auto Dial numbers available in your OKIFAX 5050. It also explains how to organize the programmed numbers into groups for easier faxing to multiple locations.
28 Faxing: Dial Directories 7 Enter the Location ID. This is a descriptive title up to 16 characters long. Refer to the instructions below. To Do This Us e Enter numbers Numeric keypad (press once) Enter spaces Space One Touch key Enter hyphens (-) Hyphen key Enter alphabet characters Locate the character you want on the numeric keypad.
Faxing: Dial Directories 29 8 Press the Select Function key to finish. Tip: Switch Echo Protection back off if you later change the location the One Touch key is used for. Chain Dialing Each fax number you enter or program into your OKIFAX can be up to 32 digits long.
30 Faxing: Dial Directories 6 After the display clears, enter the fax number. Refer to the instructions below. To Do This Us e Enter numbers Numeric keypad (press once) Enter spaces Space One Touch key Enter hyphens (-) Hyphen key Enter pauses (i.
Faxing: Dial Directories 31 3 On the numeric keypad, press the # key. The display shows GROUP SETTING. 4 Using the numeric keypad, enter the two-digit group number you want to program. Y ou can use numbers from 01 to 10. 5 The display shows the number of your current group and SELECT LOC.
32 Faxing: Basic Operations Faxing: Basic Operations This chapter explains how to load documents for faxing, how to send and receive faxes, how to use the closed network and voice request features, and how your OKIFAX handles power interruptions.
Faxing: Basic Operations 33 When loading multiple-page documents, do not load pa- per thinner than 0.003" (0.08 mm) or thicker than 0.005" (0.13 mm). For single-page documents, do not load paper thinner than 0.002" (0.06 mm) or thicker than 0.
34 Faxing: Basic Operations The table below explains some of the messages you may see during a typical fax transmission. Note: By default, One Touch keys and Auto Dial numbers begin transmission automatically, without pressing the Start key. The Auto Start setting lets you change this— see page 54 for details.
Faxing: Basic Operations 35 Real-Time Dialing Normally, your OKIFAX dials the entire number of the location you have selected at one time. Occasionally, you may need to dial numbers in real time—one digit at a time.
36 Faxing: Basic Operations Use the following procedure: 1 Load the document. 2 Enter the fax number using the numerical keypad. 3 Press the Copy key. The display shows ONE TOUCH NO.[01]. The number in brackets is the next unpro- grammed One T ouch key number.
Faxing: Basic Operations 37 Receiving Faxes in Memory Note: This section does not apply when the OKIFAX is in PC Fax mode. In that case, all faxes are automatically stored on the computer's hard drive, regardless of the conditions explained below.
38 Faxing: Basic Operations 2 Press the 9/User Program One T ouch key. The display shows 1:FUNC. PROGRAMMING. 3 Press the Y es § key. The display shows FUNCTION NO. [ ]. 4 Using the numeric keypad, enter 08. The display shows 08:CLOSED NETWORK, and the current setting of this function.
Faxing: Basic Operations 39 Notes: ■ You need to have either the optional handset or an ex- ternal telephone attached to the OKIFAX in order to use the voice request function. ■ You can use the voice request function only when you are using the document feeder to send a fax directly to a single location.
40 Faxing: Advanced Operations Sending a Fax at a Later Date and Time Your can program your OKIFAX up to three days in ad- vance to send documents at a specified date and time. You can send one delayed fax at a time either from the document feeder or from memory.
Faxing: Advanced Operations 41 10 Select a location. Refer to the following instructions. To Select Using Do This A One Touch key Press the One Touch key. An Auto Dial number Press the Auto Dial key, then enter the two-digit Auto Dial number on the numeric keypad.
42 Faxing: Advanced Operations Y es § key. After the report is printed, the display shows BEGIN SCANNING? If you want to make corrections, press the No © key and go back to Step 9. T o remove a location, select the location in the same way, but press the No © key to delete it from your transmission.
Faxing: Advanced Operations 43 9 When all of your selections are correct, press the Start key. Y our OKIF AX scans the documents into memory and begins transmitting the message. Sending a Confidential Fax Fax machines are often placed in public places where everyone can look through the received faxes.
44 Faxing: Advanced Operations 1 Press the Select Function key. 2 Press the 9/User Program One T ouch key. The display shows 1: FUNC. PROGRAMMING. 3 Press 5 on the numeric keypad. The display shows 5:MAIL P ASSWORD PRG. 4 Press the Y e s § key. The display shows MAILBOX NO.
Faxing: Advanced Operations 45 Printing a Confidential Message Each time your OKIFAX receives a confidential message, it automatically prints a confidential reception report that tells you which mailbox number received the message. To print a received confidential fax: 1 Press the Select Function key.
46 Faxing: Advanced Operations Relay Group Numbers: These 2-digit numbers are the num- bers of groups of locations programmed into the relay key station.
Faxing: Advanced Operations 47 5 Press the Y es § key. The display shows SELECT LOCA TION. 6 Select the location of the relay key station. Refer to the instructions below. To Select Using Do This A One Touch key Press the One Touch key. An Auto Dial number Press the Auto Dial key, then enter the two-digit Auto Dial number on the numeric keypad.
48 Faxing: Advanced Operations 2 Press the 5/Polling One Touch key. The display shows POLLING RX, SELECT LOCA TION. 3 Select a location. Refer to the instructions below. To Select Using Do This A One Touch key Press the One Touch key. An Auto Dial number Press the Auto Dial key, then enter the two-digit Auto Dial number on the numeric keypad.
Customizing 49 Customizing OKIFAX 5050 Customizing Fax Features and Operations Many of your OKIFAX 5050’s features and functions have settings which can be changed to customize its op- eration. The user functions control a broad range of fea- tures, such as when certain reports print, and how the OKIFAX responds to incoming calls.
50 Customizing 0 3 ERR REPORT(MCF): This function automatically prints a Message Confirmation Report each time an error occurs during a transmission or polling transmission operation. The report provides information about the transmis- sion—see page 56 for details.
Customizing 51 1 1 RING RESPONSE: This function controls how long your OKIFAX waits before answering an incoming telephone call. The available settings are 1 RING (default), 5 SECONDS, 10 SECONDS, 15 SECONDS, or 20 SECONDS. Note: At the default 1-ring setting, your OKIFAX answers calls immediately, and you will not hear any ring.
52 Customizing Note: Occasionally, your OKIFAX may not be able to detect its ring pattern on the first try. If this hap- pens, the display shows RESULT=NG. Follow the in- structions again from Step 6. 8 Pr ess the Y es § key to confir m your selection.
Customizing 53 18 MEM./FEEDER SW.: This function controls how OKIFAX normally transmits fax messages: by scanning the document into memory first, or by transmitting di- rectly from the document feeder. Available settings are FEEDER (default) and MEMORY.
54 Customizing Dial Parameter Settings These functions allow you to control the way your OKIFAX dials telephone numbers. Refer to the Dial Pa- rameter Settings List below to determine which settings you may need to change, then refer to Changing Your Dial Parameter Settings (page 55) to make the change.
Customizing 55 Changing Your Dial Parameter Settings 1 Press the Select Function key. 2 Press the 9/User Program One T ouch key. 3 On the numeric keypad, press 2. The display shows 2:DIAL P ARAMETER. 4 Press the Y e s § key until the display shows the dial parameter you want to change.
56 Faxing: Reports Fax Reports Understanding Reports Your OKIFAX 5050 provides a variety of useful reports which help you understand its current settings, program- ming and operations. Message Confirmation Report (MCF) This report provides information about your last single- location fax transmission or polling transmission.
Faxing: Reports 57 ■ The Location ID of the One T ouch keys and Auto Dial codes you have selected. ■ T elephone numbers you have enter ed using the numeric keypad. Confidential Reception Report This report prints automatically each time your OKIFAX receives a confidential message into a mail box.
58 Faxing: Reports ■ The name or telephone number of the fax machine you were communicating with (DISTANT STATION ID). If you were sending a fax, the telephone number or the Location ID is printed. If you were receiving a fax, the remote fax machine’s Personal ID or its telephone number is printed.
Faxing: Reports 59 Power Outage Report Certain information stored in your OKIFAX is lost if power is interrupted under these circumstances: ■ If there is no optional memory expansion board installed. ■ If there is optional memory installed, but power has been interrupted for more than one hour.
60 Problem Solving Problem Solving Clearing a Document Jam When a document jams while being faxed or scanned, your OKIFAX beeps, the red Alarm indicator lights, and DOCUMENT JAM appears in the display.
Problem Solving 61 Notes: ■ If you experience paper jams often, the type of paper you are using may be the problem. For best results, select paper developed specifically for photocopying or laser printing. Be sure to fan the paper before loading it into your paper tray.
62 Problem Solving 4 Pull out any paper you see jammed inside the machine. 1 ABC 2 DEF 3 GHI 4 JKL 5 MN 6 PRS 7 TUV 8 WXY 9 * OQZ 0 # AUTO REC SEARCH SELECT FUNCTION AUTO DIAL HYPHEN REDIAL COPY HOOK V. REQUEST PHOTO EX FINE FINE STD LIGHT NORMAL DARK ALARM STOP START 5 Pull out the paper tray.
Problem Solving 63 10 Close the copy stacker and push down until you hear a click. Be sure both sides are latched. 1 ABC 2 DEF 3 GHI 4 JKL 5 MN 6 PRS 7 TUV 8 WXY 9 * OQZ 0 # AUTO REC SEARCH SELECT FUNCTION AUTO DIAL HYPHEN REDIAL COPY HOOK V. REQUEST PHOTO EX FINE FINE STD LIGHT NORMAL DARK ALARM STOP START 11 Close the document table.
64 Problem Solving If your OKIFAX displays “TONER LOW” or “REPLACE TONER CART.,” replace the toner cartridge with a new one soon. If print density is high enough, you can continue to to use the toner cartridge without replacing it until print quality becomes unacceptable.
Problem Solving 65 5 With the ridged side facing up and the lever on your right, insert the toner cartridge into the image drum unit. Slide the left end of the cartridge in first, then lower the right end into place. 1 ABC 2 DEF 3 GHI 4 JKL 5 MN 6 PRS 7 TUV 8 WXY 9 * OQZ 0 # AUTO REC SEARCH SELECT FUNCTION AUTO DIAL HYPHEN REDIAL COPY HOOK V.
66 Problem Solving The “CHANGE DRUM SOON” Message The “CHANGE DRUM SOON” message is a warning that the image drum cartridge in your OKIFAX may be approaching the end of its usable life, which is approximately 20,000 pages, depending on the length and type of document you receive or copy.
Problem Solving 67 4 Remove the protective sheet from the new image drum. unit 5 Insert the new image drum unit into your OKIF AX. To ensure that the image drum is positioned correctly, press down firmly on both of the locations on the image drum marked “PUSH.
68 Problem Solving 1 W ait until the time, date and answering mode appear on the display. Then press the Select Function key. 2 Press the 7/Counter Display One T ouch key. The display shows DRUM COUNT . 3 Press the Y e s § key to clear the image drum unit counter .
Problem Solving 69 Error Messages NO PAPER [FAX] REPLACE PAPER The paper tray is out of paper. Add more paper. If there is paper in the tray, this message may indicate that paper has jammed while feeding into the printer.
70 Problem Solving 02:13 [FAX] REPLACE TONER CART. Toner is running low in the toner cartridge. Replace the cartridge as soon as possible. When you close the cover after replacing the toner cartridge, the message clears. COMMUN. ERROR There is a problem communicating with a remote fax machine.
Problem Solving 71 ■ Nothing happens when you press the control panel keys. Open and close the upper cover. If that does not solve the problem, turn the OKIF AX off, wait ten seconds, then turn it on again. ■ The display tells you to replace paper even though there is paper in the paper tray .
72 Problem Solving ■ Y ou sent a fax but the image the remote fax machine received w as very poor . If your document had a lot of small type, complex illustrations, photos, or was very light or very dark, try changing your resolution and contrast settings (see “Loading Documents,” page 33).
Problem Solving 73 ■ Y ou set your OKIF A X for delay ed transmission but it did not send. Check the display to make sure that you have set the clock to the correct time. See “Setting the Date and Time,” page 19. ■ Y our OKIFAX disconnected before you could answer a v oice request.
74 Problem Solving Service and Support This infor mation is valid for the United States and Canada only. Okidata is firmly committed to the satisfaction of our customers.
Problem Solving 75 Purchasing Supplies and Options Before you order , have the correct part number and descrip- tion of the item. ■ Consult the Authorized OKIF AX Dealer where you purchased your OKIF AX. ■ Call 1-800-OKIDA TA (1-800-654-3282) for the nearest Autho- rized Sales and Service location.
76 Problem Solving This Limited W arranty shall not apply if the product has been damaged due to abuse, misuse, misapplication, accident, or as a result of service or modification by any other than an authorized OKIF AX service center. THERE ARE NO EXPRESS W ARRANTIES OTHER THAN THOSE ON THE F ACE HEREOF AND DESCRIBED ABOVE.
Specifications 77 Specifications Category Specifications Type/compatibility Desktop ITU-T G3 transceiver Modem speed 14.4/9.6/7.2/4.8/2.4 Kbps Automatic fallback Transmission speed As fast as 6 second.
78 Index Index Symbols */T one key 8 0/Unique key 8 1/Delayed TX key 10, 40 10/Message Print From Memory key 11 1'ST P APER SIZE: 52 2/Broadcast Feeder TX key 10, 42 3/Confidential TX key 10 4/Re.
Index 79 CHANGE DRUM 66, 69 Cleaning page 11, 63 Clock setting 19 Closed network 37, 50, 73 Codes communication 59 report 59 COMM ERROR 71 Communication codes 59 COMMUNICATION ERROR 71 Components 3 Co.
80 Index E Echo Protection 28 ECM FUNCTION 53 End of Session tone 11 Error T ones 11 External Telephone connecting 17 F Fax sending 34-35 sending, confidential 43 sending, delayed 40, 73 sending, multiple locations 42 Fax Identification (Fax ID) 21-22 F AX mode 20 Faxable Facts 74 FWD 21, 22 G Groups 30 H Handset 35 installing 15 Hook/V .
Index 81 M Manual Receive mode [TEL] 20 MDY/DMY 55 MEM./FEEDER SW . 53 Memory printing from 11 Memory reception 37 cancelling 37 Message Confirmation Report user function settings 49 Message confirmat.
82 Index PRINTER ALARM 2 70 PRINTER ALARM 4 70 Printing paper jam clearing 60-63 Private Branch Exchange (PBX) 23 R Receiving Fax in memory 37 manual 36 REDIAL INTER V AL 54 Redial key 7 REDIAL TRIES .
Index 83 TAD MODE 55 TAD mode 17, 20 TEL jack 17 TEL mode 20 TEL/F AX SW . 55 T elephone Answering Device mode [T AD] 20 T elephone Line connecting 15 T elephone/Fax mode [T/F] 20 Time setting 19 TIME.
MATERIAL SAFETY DATA SHEET MATERIAL SAFETY DATA SHEET MATERIAL SAFETY DATA SHEET MATERIAL SAFETY DATA SHEET MATERIAL SAFETY DATA SHEET OL "e" Series Toner MSDS # 58093101 For more informatio.
V apor Density (Air=1): Not applicable Evaporation Rate (Butyl Acetate=1): Not applicable Specific Gravity (H 2 O=1): 1.15 Solubility in water: Negligible Appearance and odor: Black granules, no odor .
Reactivity Data Stability: Stable Polymerization: Will not occur . Hazardous Decomposition Products: Thermal decomposi- tion may result in release of oxides of carbon and nitrogen. Temperature: Do not expose to temperatures above 200°C (392°F). Incompatibility: A void exposure to strong oxidizers.
An important point after buying a device Oki OKIFAX 5050 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Oki OKIFAX 5050 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 Oki OKIFAX 5050 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Oki OKIFAX 5050 you will learn all the available features of the product, as well as information on its operation. The information that you get Oki OKIFAX 5050 will certainly help you make a decision on the purchase.
If you already are a holder of Oki OKIFAX 5050, 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 Oki OKIFAX 5050.
However, one of the most important roles played by the user manual is to help in solving problems with Oki OKIFAX 5050. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Oki OKIFAX 5050 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