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Citizen CBM-920 Service Manual

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CITIZEN

Service Manual

Model: CBM-920
Dot Matrix Printer
Rev. 1.00 Newly Issued on May. 25. 1998
Jap p p p a a a a n n n n C C C C B B B B M M M M C C C C o o o o r r r r p p p p o o o o r r r r a a a a t t t t i i i i o o o o n n n n
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I I I I n n n n f f f f o o o o r r r r m m m m a a a a t t t t i i i i o o o o n n n n S S S S y y y y s s s s t t t t e e e e m m m m s s s s D D D D i i i i v v v v . . . .

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Summary of Contents for Citizen CBM-920

  • Page 1: Service Manual

    CITIZEN Service Manual Model: CBM-920 Dot Matrix Printer Rev. 1.00 Newly Issued on May. 25. 1998 Jap p p p a a a a n n n n C C C C B B B B M M M M C C C C o o o o r r r r p p p p o o o o r r r r a a a a t t t t i i i i o o o o n n n n...
  • Page 2 CBM-920 Service Manual I I I I N N N N T T T T R R R R OD ODU U U U C C C C T T T T I I I I O O O O N N N N This manual describes the disassembly, reassembly, and maintenance procedures of the dot impact printer CBM920.

  • Page 3: Table Of Contents

    CBM-920 Service Manual C C C C O O O O N N N N T T T T E E E E N N N N T T T T S S S S 1. HANDLING AND MAINTENANCE OF PRINTER ................4 SPECIFICATIONS ..........................4...
  • Page 4 CBM-920 Service Manual 1 1 1 1 ..H H H H A A A A N N N N D D D D L L L L I I I I N N N N G G G G A A A A N N N N D D D D M M M M A A A A I I I I N N N N T T T T E E E E N N N N A A A A N N N N C C C C E E E E O O O O F P F PR R R R I I I I N N N N T T T T E E E E R R R R See the Instruction Manual coming with the printer body.
  • Page 5 CBM-920 Service Manual 3 3 3 3 ..D D D D I I I I S S S S A A A A SS SSE E E E M M M M B B B B L L L L Y Y Y Y A A A A N N N N D D D D R R R R E E E E A A A A SS...
  • Page 6 CBM-920 Service Manual · Remove an N-PE assembly from the front cover. (1) Pull out a PE retainer.(It has been press-fit) (2) Remove the N-PE assembly. · Remove a paper holder bracket from the front cover. (1) Using the Phillips screwdriver, loosen 4 screws(M2 x 6) fixing the paper holder bracket.

  • Page 7: Disassembly Procedure

    CBM-920 Service Manual · Remove a mechanical assembly from the front cover. (1) Pull out the mechanical assembly from the front cover. · Remove a knob from the front cover. (1) Using the Phillips screwdriver, loosen a screw(PHT, M2 x 6) fixing the knob.

  • Page 8: Troubleshooting

    CBM-920 Service Manual 4 4 4 4 ..T T T T R R R R O O O O U U U U B B B B L L L L E E E E S S S S H H H H O O O O O O O O T T T T I I I I N N N N G G G G...
  • Page 9 CBM-920 Service Manual 4 4 4 4 - - - - 2 2 2 2 T T T T r r r r o o o o u u u u b b b b l l l l e e e e s s s s h h h h oo oo oo oot t t t i i i i n n n n g g g g G G G G u u u u i i i i d d d d e e e e...
  • Page 10 CBM-920 Service Manual 5 5 5 5 ..S S S S E E E E R R R R V V V V I I I I C C C C E E E E P P P P AR...
  • Page 11 CBM-920 Service Manual 5 5 5 5 - - - - 2 2 2 2 D D D D i i i i s s s s a a a a ss ss ss sse e e e m m m m b b b b l l l l y y y y D D D D r r r r a a a a w w w w i i i i n n n n g g g g...
  • Page 12 CBM-920 Service Manual 5 5 5 5 - - - - 3 3 3 3 P P P P a a a a r r r r t t t t s s s s L L L L i i i i s s s s t t t t f f f f o o o o r r r r C C C C o o o o n n n n t t t t r r r r o o o o l l l l B B B B o o o o a a a a r r r r d d d d R R R R e e e e f f f f .
  • Page 13 CBM-920 Service Manual R R R R e e e e f f f f ..N N N N o o o o ..P P P P a a a a r r r r t t t t s s s s N N N N o o o o ..
  • Page 14 CBM-920 Service Manual 5 5 5 5 - - - - 4 4 4 4 P P P P a a a a r r r r t t t t s s s s L L L L a a a a y y y y o o o o u u u u t t t t D D D D r r r r a a a a w w w w i i i i n n n n g g g g...

  • Page 15: Main Pcb Assy For Cbm-920-Rf(Serial Interface)

    CBM-920 Service Manual 5-4-2 Main PCB Assy for CBM-920-RF(Serial Interface) KJL-1 KJL-2 CITIZEN...

  • Page 16: Drawing For Jumper Lead

    CBM-920 Service Manual 5-4-3 Drawing for Jumper Lead CITIZEN...

  • Page 17: Circuit

    CBM-920 Service Manual 6 6 6 6 ..D D D D R R R R A A A A W W W W I I I I N N N N G G G G The following lists the reference drawings for maintenance, and so on.

  • Page 18: Coverall Wiring Diagram

    CBM-920 Service Manual 6 6 6 6 - - - - 1 1 1 1 C C C C i i i i r r r r c c c c u u u u i i i i t t t t...
  • Page 19 CBM-920 Service Manual 6 6 6 6 - - - - 1 1 1 1 - - - - 2 2 2 2 C C C C o o o o v v v v e e e e r r r r a a a a ll ll ll ll W W W W i i i i r r r r i i i i n n n n g g g g D D D D i i i i a a a a g g g g r r r r a a a a m m m m...
  • Page 20 CBM-920 Service Manual 6 6 6 6 - - - - 2 2 2 2 C C C C i i i i r r r r c c c c u u u u i i i i t t t t D D D D i i i i a a a a g g g g r r r r a a a a m m m m...
  • Page 21 CBM-920 Service Manual 6 6 6 6 - - - - 2 2 2 2 - - - - 2 2 2 2 C C C C B B B B M M M M - - - - 920 920- - - - R R R R F F F F ( ( ( ( S S S S e e e e r r r r i i i i a a a a l l l l I I I I n n n n t t t t e e e e r r r r f f f f a a a a c c c c e e e e ) ) ) ) 5 5 5 5 .

This manual is also suitable for:

Cbm-920-24Cbm-920-40

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