Toshiba e-studio600 Service Manual page 410

[CB80] Backup RAM data abnormality
Is the problem solved by turning the power of the equipment OFF and ON?
YES Æ End.
È
NO
Replace the finisher controller PC board.
Replace tha punch driver PC board.
[CB90] Paper pushing plate motor abnormality
[Procedure 1]
Is the paper pushing plate home position sensor (PI14S) working normally?
NO Æ
È
YES
Is the paper pushing plate motor (M8S) operating at the fixed timing?
YES Æ Replace the saddle stitcher controller PC board.
È
NO
Is the paper pushing plate drive mechanism normal?
NO Æ
È
YES
Is the problem solved by replacing the paper pushing plate motor (M8S)?
NO Æ
È
YES
END
[Procedure 2]
Is the paper pushing plate top position sensor (PI15S) working normally?
NO Æ
È
YES
Is the paper pushing plate motor (M8S) operating at the fixed timing?
YES Æ Replace the saddle stitcher controller PC board.
È
NO
Is there any problem with the paper pushing plate drive mechanism?
YES Æ Fix the mechanism.
È
NO
Is the problem solved by replacing the paper pushing plate motor (M8S)?
e-STUDIO520/600/720/850 TROUBLESHOOTING
Replace the sensor.
Fix the mechanism.
Replace the saddle stitcher controller PC board.
Replace the sensor.
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March 2005 © TOSHIBA TEC