Toshiba E-STUDIO850 - Finisher Related Service Call

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 TROUBLESHOOTING
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5.1.12 Finisher related service call
[CB10] Feed motor abnormality
[Procedure 1]
Is second feed motor (M8) rotating in reverse at the fixed timing?
!
NO " Replace second feed motor or finisher controller PC board.
YES
Is the shutter securely attached to the shutter upper/lower bars?
!
NO " Attach it securely.
YES
Turn the feed roller-2 in reverse by hand. Do the shutter upper/lower bars move up and
down?
l
!
NO " Fix the mechanism including the shutter upper/lower bars and gears of
the feed roller-2.
YES
Is the shutter closed detecting switch (MS4) working normally?
!
NO " Replace the switch.
YES
Replace the finisher controller PC board.
[Procedure 2]
Is second feed motor (M8) rotating in reverse at the fixed timing?
!
NO " Replace second feed motor or finisher controller PC board.
YES
Is the shutter securely attached to the shutter upper/lower bars?
!
NO " Attach it securely.
YES
Turn feed roller-2 in reverse by hand. Do the shutter upper/lower bars move up and down?
l
!
NO " Fix the mechanism including the shutter upper/lower bars and gears of
the feed roller-2.
YES
Is the shutter open sensor (PI5) working normally?
!
NO " Replace the sensor.
YES
Replace the finisher controller PC board.