Ricoh B079, Service Manual

Page: 211 / 948

Trouble-
shooting
SERVICE CALL CONDITIONS
SM 4-13 B079/B082
Note: When this SC is displayed, check SP7-902 (SC detail). The first 2 digits
indicate the type of error.
Example: 740 01 00000000000000
Code No. Symptom Possible Cause
740
D 1,000-sheet finisher error in finisher area
Shutter movement error 01
1) The shutter position switch
does not turn on within 1
second after the transport
motor starts to turn in reverse.
2) The shutter sensor does not
deactivate within 1 second after
the transport motor starts to
turn in reverse.
3) The shutter position switch is
off when the shift tray safety
switch is off.
•
Transport motor defective
•
Shutter position switch defective
•
Shift tray safety switch defective
Exit motor error 02
1) After the exit motor turns on,
the exit motor sensor does not
send the proper signal to the
finisher board.
2) The exit motor sensor does not
send the clock signal to the
finisher board for certain
period while the exit motor is
on.
•
Exit motor defective
•
Exit motor sensor defective
Upper exit plate movement error 03
1) The upper exit guide 2 switch
does not turn on within 1s after
the guide plate motor turns on.
2) The upper exit guide sensor
does not activate within 1s after
the guide plate motor turns on.
3) The upper exit guide 2 switch
does not turn on when the shift
tray safety switch is off.
•
Guide plate motor defective
•
Upper exit guide 2 switch defective
•
Upper exit guide sensor defective
Shift tray safety switch defective
Jogger motor error 04
1) After the jogger motor turns on
to move the jogger fence from
its home position, the jogger
HP sensor does not deactivate
within 2s.
2) After the jogger motor turns on
to return the jogger fence to its
home position, the jogger HP
sensor does not activate within
2s.
•
Jogger motor defective
•
Jogger HP sensor defective
Rev. 09/2003
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