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SERVICE CALL
No.
Definition
726
D
Finisher tray lift motor error (1000-sheet finisher)/
Finisher output tray motor error (500-sheet finisher)
• The tray lift motor jam is detected
consecutively twice after the tray lift
motor turned on (1000-sheet
finisher).
• The output tray motor lock signal is
detected for 10 seconds after the
output tray motor turned on (500-
sheet finisher).
727
D
Finisher stapler motor error (500-sheet finisher)
Stapling does not finish within a
certain time after the stapler motor
turned on.
728
D
Finisher paper stack height error (500-sheet finisher)
The stack height detection lever does
not return to its home position before
going to detect the stack height.
730
B
Finisher stapler motor error (1000-sheet finisher)
The stapler motor jam is detected
consecutively twice after the staple
motor turned on.
• Output tray motor error (500-sheet finisher)
731
D
• Exit guide plate motor error (1000-sheet finisher)
• The tray upper limit sensor does
not activate within a certain time
after the tray motor turned on (500-
sheet finisher).
• The exit guide plate motor jam is
detected consecutively twice after
the exit guide plate motor turned on
(1000-sheet finisher).
Symptom
4-12
Possible Cause
• Tray lift motor or output tray motor
defective
• Stack height sensor defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Staple jam
• Stapler overload caused by trying to
staple too many sheets
• Stapler motor defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Stack height lever solenoid defective
• Stack height sensor defective
• Lever sensor defective
• Main control board defective
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
• Stapler motor defective
• Stapler HP sensor defective
• Poor stapler motor connection
• Defective finisher control board
• Defective board
• Defective BICU
• Defective IOB
• Incorrect installation
• Defective finisher control board
• Defective BICU
• Defective IOB
• Incorrect installation
500-sheet finisher
• Output tray motor defective
• Tray upper limit sensor defective
1000-sheet finisher
• Exit guide plate motor defective
• Exit guide plate HP sensor defective
10 February 2005
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