Toshiba e-STUDIO281c, e-STUDIO351c, e-STUDIO451c

June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c TROUBLESHOOTING

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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?

ÈNO ÆCorrect 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?

ÈNO ÆReplace the sensor.

YES

Is the wiring between the finisher controller PC board and the stapler shift motor (M35) cor-

rect?

ÈNO ÆCorrect the wiring.

YES

Is there any mechanical problem with the stapler stand motion path?

ÈYESÆFix the lift mechanism.

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?

ÈYESÆEnd.

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?

ÈNO ÆReplace the sensor.

YES

Is the paper pushing plate drive mechanism normal?

ÈNO ÆFix the mechanism.

YES

1) Replace the paper pushing plate motor (M8).

2) Replace the saddle stitcher controller PC board.