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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CITIZEN Service Manual Model: CBM-290/291 Line Thermal Printer Rev. 1.00 Newly issue on June 02, 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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CBM-290/291. It is intended for field maintenance men. FEATURES The CBM-290/291 is a thermal line dot type small printer equipped with a line thermal head. This printer, developed for various data communication terminals, POS terminals, kitchen printers, is widely available for a variety of applications.
-20 to 60 °C, 10 to 90 % RH (No dew condensation) Outer dimensions 106 (W) x 109 (H) x 99 (D) mm Weight CBM-290: Approx. 460 g (Main body only), CBM-291: Approx. 600 g (Main body only), Fitting: Approx. 50 g Applicable standards...
CBM-290/291 Service Manual 2 2 2 2 ..2 2 2 2 P P P P r r r r i i i i n n n n t t t t i i i i n n n n g g g g P P P P a a a a p p p p e e e e r r r r S S S S p p p p e e e e c c c c i i i i f f f f i i i i c c c c a a a a t t t t i i i i o o o o n n n n s s s s ( ( ( ( S S S S p p p p e e e e c c c c i i i i f f f f i i i i e e e e d d d d P P P P a a a a p p p p e e e e r r r r ) ) ) )
CBM-290/291 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 SSE E E E M M M M B B B B L L L L Y Y Y Y 3 3 3 3 .
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CBM-290/291 Service Manual 4. Remove a base plate assembly. (1) Remove an E-ring from a shaft. (2) Pull out the shaft. (3) Pushing a lever inside, pull out the base plate assembly to this side. · Remove a paper guide from the base plate assembly.
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CBM-290/291 Service Manual · Remove the printer mechanism(LT- 282) from the base plate assembly. (1) Using the Phillips screwdriver, remove 3 screws(binder, M2.6 x 5) used to secure the printer mechanism. (2) Remove the printer mechanism from the base plate.
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CBM-290/291 Service Manual · Remove the paper feed guide from the auto cutter assembly. (1) Pull out the paper feed guide in an arrow-indicated direction. · Remove a paper gate from the auto cutter assembly. (1) Using the Phillips screwdriver, remove 4 screws(PHT, M2 x 3) used to secure the paper gate.
CBM-290/291 Service Manual 7. Remove a cutter earth plate. (1) Using the Phillips screwdriver, remove a screw(PHT, M2.6 x 6). (2) Remove the cutter earth plate from the case. 3 3 3 3 ..2 2 2 2 R R R R e e e e 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 P P P P r r r r o o o o c c c c e e e e d d d d u u u u r r r r e e e e Reassemble each part in the reverse order of the disassembly procedure described in Section 3.1.
CBM-290/291 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 4 4 4 4 .
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CBM-290/291 Service Manual Phenomenon Cause Check Method Remedy The printing paper Paper feed failure Check whether or not the Eliminate unnecessary is not fed or fed printing paper printing paper and re-set irregularly. jamming or torn and it correctly. caught in a paper path.
CBM-290/291 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 ART T T T S S S S L L L L I I I I S S S S T T T T The following table lists the service parts required for maintenance, and so on.
CBM-290/291 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 s s s s s s s s e 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...
CBM-290/291 Service Manual 5 5 5 5 ..3 3 3 3 P P P P a a a a c c c c k k k k i i i i n n n n g g g g 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...
CBM-290/291 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 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 Ref.
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CBM-290/291 Service Manual PARTS LIST CONTROL BOARD ASSY Ref. No. Parts No. Description CBM-290 CBM-291 DS 1 E 5103-230 Dip SW. KSD08H E 501-400 X’tal CSTCS16.00MXOC3 CN 2 E 48000780 Conn. B16BPH-K-S CN 3 E 48000615 Conn. 53047-0410 CN 4 E 48000635 Conn.
CBM-290/291 Service Manual 5 5 5 5 ..5 5 5 5 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 5.5.1 PCB Assy(Parts Side)
CBM-290/291 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 S S S S The following lists the reference drawings for maintenance, and so on.
CBM-290/291 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 6.2.1 CBM-290/291...
CBM-290/291 Service Manual 7 7 7 7 ..O O O O U U U U T T T T E E E E R R R R D D D D I I I I M M M M E E E E N N N N T T T T I I I I O O O O N N N N...