Toshiba E-STUDIO850 - Page 404

e-STUDIO520/600/720/850 TROUBLESHOOTING March 2005 © TOSHIBA TEC
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[CB20] Delivery motor abnormality
[Procedure 3]
Check the safety zone switch (MS3). Is the switch working normally?
!
NO " Replace the switch.
YES
Is the safety zone switch (MS3) correctly pressed?
!
NO " Fix the mechanism.
YES
Is the shutter closed detecting switch (MS4) working normally?
!
NO " Replace the switch.
YES
Is the shutter closed detecting switch (MS4) correctly pressed?
!
NO " Fix the mechanism.
YES
Replace the finisher controller PC board.
Rotate the delivery motor by hand. Does it rotate smoothly?
!
NO " Fix the mechanism.
YES
Is the delivery motor clock sensor (PI10) working normally?
!
NO " Replace the sensor.
YES
Does the voltage between J11-4 and -5 on the finisher controller PC board become 24V
when the delivery motor starts rotating?
!
NO " Replace the finisher controller PC board.
YES
Is the wiring between the delivery motor and finisher controller PC board correct?
!
YES " Correct the wiring.
NO
Replace the motor.