e-STUDIO3511/4511 TROUBLESHOOTING 5 - 58 November 2003 © TOSHIBA TEC
[CB80] Backup RAM data abnormality
MJ-1023/1024
Is the problem solved by turning the power of the equipment OFF and ON?
YES End.
NO
1. Replace the finisher controller PC board.
2. Replace the punch controller PC board.
[CB90] Paper pushing plate motor abnormality
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?
NO Replace the sensor.
YES
Is the paper pushing plate drive mechanism normal?
NO Fix the mechanism.
YES
1. Replace the paper pushing plate motor (M8).
2. Replace the saddle stitcher controller PC board.