Instruction/ maintenance manual of the product CBM-920 Citizen
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CITIZEN Service Manual Model: CBM-920 Dot Matrix Printer Rev . 1.00 Newly Issued on May . 25. 1998 Ja Ja Ja Jap p p pa a a an n n n C C C CB B B BM M M M C C C Co o o or r r rp p p po o o or r r ra a .
CBM -920 Service Man ual - 2 - CITIZEN I I I IN N N NT T T TR R R ROD OD OD OD U U U UC C C CT T T TI I I IO O O ON N N N This ma nual d escrib es the disassembly , reasse mbly , and m ainte nance proc edures of the dot impact pr inter C BM92 0. It is inten de d for field maint enance m en.
CBM -920 Service Man ual - 3 - CITIZEN C C C CO O O ON N N NT T T TE E E EN N N NT T T TS S S S 1. HA NDLING AN D MAINTENANCE OF PRIN TER ........................................................................... 4 2. SPECIFI CA TIONS ...............
CBM -920 Service Man ual - 4 - CITIZEN 1 1 1 1. . . .H H H HA A A AN N N ND D D DL L L LI I I IN N N NG G G G A A A AN N N ND D D D M M M MA A A AI I I IN N N NT T T TE E E EN N N NA A A AN N N NC C C CE E E E O O O OF P F P F P F PR R R RI I I IN N N NT T T TE E E ER R R R See the Inst ruction Ma nu a l coming wit h t h e printe r body .
CBM -920 Service Man ual - 5 - CITIZEN 3 3 3 3. . . .D D D DI I I IS S S SA A A ASS SS SS SSE E E EM M M MB B B BL L L LY Y Y Y A A A AN N N ND D D D R R R RE E E EA A A ASS SS SS SSE E E EM M M MB B .
CBM -920 Service Man ual - 6 - CITIZEN · Rem ove an N-PE assem bly from the front co v er . (1) Pull out a PE retainer .(It has been press-fit) (2) Remo ve the N-PE as semb ly . · Rem ov e a paper holder brac ket from the front cov er . (1) Using th e Philli ps screwdr iv er , loosen 4 screws( M2 x 6) fixing t he paper h o l der brac k et.
CBM -920 Service Man ual - 7 - CITIZEN · Rem o v e a mec hanical assembly from the front cover . (1) Pull out t he mec hanical asse mbly from the front cov e r . · Rem o v e a kno b from the front co v er . (1) Using th e Philli ps screwdr iv er , loosen a screw(PHT , M2 x 6) fixing the knob .
CBM -920 Service Man ual - 8 - CITIZEN 4 4 4 4. . . . T T T TR R R RO O O OU U U UB B B BL L L LE E E ES S S SH H H HO O O OO O O OT T T TI I I IN N N NG G G G 4 4 4 4- - - -1 1 1 1 T T T Tr r r ro o .
CBM -920 Service Man ual - 9 - CITIZEN 4 4 4 4- - - -2 2 2 2 T T T Tr r r ro o o ou u u ub b b bl l l le e e es s s sh h h ho o oo oo oot t t ti i i in n n ng g g g G G G Gu u u ui i i id d d de e e e Phenomenon Cause Check M ethod R emedy F aulty po wer supply Check whet her 5 V DC is av ailable.
CBM -920 Service Man ual - 10 - CITIZEN 5 5 5 5. . . . S S S SE E E ER R R RV V V VI I I IC C C CE E E E P P P PA R AR AR ART T T TS S S S L L L LI I I IS S S ST T T T 5 5 5 5- - - -1 1 1 1 P P P Pa a.
CBM -920 Service Man ual - 11 - CITIZEN 5 5 5 5- - - -2 2 2 2 D D D Di i i is s s sa a a as s ss ss sse e e em m m mb b b bl l l ly y y y D D D Dr r r ra a a aw w w wi i i in n n ng g g g.
CBM -920 Service Man ual - 12 - CITIZEN 5 5 5 5- - - -3 3 3 3 P P P Pa a a ar r r rt t t ts s s s L L L Li i i is s s st t t t f f f fo o o or r r r C C C Co o o on n n nt t t tr r r ro o o ol l l l B B B Bo o o oa a a ar r r rd d d d 1 / 2 R R R Re e e ef f f f.
CBM -920 Service Man ual - 13 - CITIZEN 2 / 2 R R R Re e e ef f f f. . . . N N N No o o o. . . .P P P Pa a a ar r r rt t t ts s s s N N N No o o o. . .
CBM -920 Service Man ual - 14 - CITIZEN 5 5 5 5- - - -4 4 4 4 P P P Pa a a ar r r rt t t ts s s s L L L La a a ay y y yo o o ou u u ut t t t D D D Dr r r ra a a aw w w wi i i in n n ng g g g 5-4-1 Mai.
CBM -920 Service Man ual - 15 - CITIZEN 5-4-2 Main PCB Assy for CBM-920-RF(Ser ial Interface) KJL-1 KJL-2.
CBM -920 Service Man ual - 16 - CITIZEN 5-4-3 Drawi ng for Jum per Lead.
CBM -920 Service Man ual - 17 - CITIZEN 6 6 6 6. . . . D D D DR R R RA A A AW W W WI I I IN N N NG G G G The following l ists t he re ferenc e drawi ng s fo r m ai ntena nce, and so on.
CBM -920 Service Man ual - 18 - CITIZEN 6 6 6 6- - - -1 1 1 1 C C C Ci i i ir r r rc c c cu u u ui i i it t t t 6 6 6 6- - - -1 1 1 1- - - -1 1 1 1 B B B Bl l l lo o o oc c c ck k k k D D D Di i i ia .
CBM -920 Service Man ual - 19 - CITIZEN 6 6 6 6- - - -1 1 1 1- - - -2 2 2 2 C C C Co o o ov v v ve e e er r r ra a a all ll ll ll W W W Wi i i ir r r ri i i in n n ng g g g D D D Di i i ia a a ag g g .
CBM -920 Service Man ual - 20 - CITIZEN 6 6 6 6- - - -2 2 2 2 C C C Ci i i ir r r rc c c cu u u ui i i it t t t D D D Di i i ia a a ag g g gr r r ra a a am m m m 6 6 6 6- - - -2 2 2 2- - - -1 1 1 1 CB.
CBM -920 Service Man ual - 21 - CITIZEN 6 6 6 6- - - -2 2 2 2- - - -2 2 2 2 C C C CB B B BM M M M- - - -920 920 920 920- - - -R R R RF F F F ( ( ( (S S S Se e e er r r ri i i ia a a al l l l I I I In n n nt t t te e e er r r rf f f fa a a ac c c ce e e e) ) ) ) 5 5 5 5.
An important point after buying a device Citizen CBM-920 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Citizen CBM-920 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 Citizen CBM-920 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Citizen CBM-920 you will learn all the available features of the product, as well as information on its operation. The information that you get Citizen CBM-920 will certainly help you make a decision on the purchase.
If you already are a holder of Citizen CBM-920, 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 Citizen CBM-920.
However, one of the most important roles played by the user manual is to help in solving problems with Citizen CBM-920. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Citizen CBM-920 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
