Abnormal Punch Motor; Abnormal Punch Unit Backup Ram Data - Toshiba e-STUDIO650 Service Handbook

[CC6] Abnormal punch motor (with MJ-6003 connected)
Is the punch home position sensor (PI3P) working normally?
NO
Replace the sensor.
YES
Is the wiring between the punch home position sensor (PI3P) and finisher controller PC board correct?
YES
Correct the wiring.
NO
Is the punching mechanism normal?
NO
Fix the mechanism.
YES
Is the problem solved by replacing the punch motor (M1P) ?
YES
END
NO
Is the problem solved by replacing the punch driver board?
YES
END
NO
Replace the finisher controller PC board.
[CC7] Abnormal punch unit backup RAM data
Is the problem solved by turing the power of the copier OFF and ON?
YES
END
NO
Replace the punch driver board.
JUNE 2002 © TOSHIBA TEC 5 - 99 e-STUDIO550/650/810 TROUBLE SHOOTING