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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c TROUBLESHOOTING
5 - 59
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[CB50] Staple motor abnormality
[CB60] Stapler unit shift motor abnormality
[CB80] Backup RAM data abnormality
[CB90] Paper pushing plate motor abnormality
MJ-1022/1023/1024
Is the wiring between the stapler and finisher controller PC board correct?
È
NO Æ Correct the wiring.
YES
1) Replace the stapler.
2) Replace the finisher controller PC board.
MJ-1023/1024
Is the stapler shift home position sensor (PI40) working normally?
È
NO Æ Replace the sensor.
YES
Is the wiring between the finisher controller PC board and the stapler shift motor (M35) cor-
rect?
È
NO Æ Correct the wiring.
YES
Is there any mechanical problem with the stapler stand motion path?
È
YESÆ Fix the lift mechanism.
NO
1) Replace the stapler shift motor.
2) Replace the finisher controller PC board.
MJ-1023/1024
Is the problem solved by turning the power of the equipment OFF and ON?
È
YESÆ End.
NO
1) Replace the finisher controller PC board.
2) Replace the punch controller PC board.
MJ-1024
Are the paper pushing plate home position sensor (PI14), paper pushing plate top position
sensor (PI15) and paper pushing plate motor clock sensor (PI1) working normally?
È
NO Æ Replace the sensor.
YES
Is the paper pushing plate drive mechanism normal?
È
NO Æ Fix the mechanism.
YES
1) Replace the paper pushing plate motor (M8).
2) Replace the saddle stitcher controller PC board.