Ricoh MT-C1 Service Manual page 449

15 February 2006
B140/B246 Duplicated Number
741 B Finisher rear saddle-stitch stapler motor error
Saddle-stitch stapler motor fails to
operate within 450 ms within 2
counts..
Finisher corner stapler rotation motor error
741 B
The stapler does not return to its
home position within the specified
time after stapling. The 1st
detection failure issues a jam error,
and the 2nd failure issues this SC
code.
B140/B246 Duplicated Number
742 B Finisher jogger side fence motor error
The jogger motor turns on but the
side fences to not return to the
home position within 340 pulses for
2 counts.
Finisher stapler movement motor error
742 B
The stapler HP sensor is not
activated within the specified time
after the stapler motor turned on.
The 1st detection failure issues a
jam error, and the 2nd failure
issues this SC code.
B140/B246 Duplicated Number
743 B Finisher shift motor errors
For the optional jogger unit for the
B706 finisher: During the return
operation, the shift jogger motor or
shift jogger fence lift motor did not
return to the home position within
the set number of pulses.
743 B Booklet stapler motor error 1
The front stapler unit saddle-stitch
motor does not start operation
within the specified time. The 1st
detection failure issues a jam error,
and the 2nd failure issues this SC
code.
B140/B246 SERIES SERVICE MODE
B140
• HP sensor defective
• Harness disconnected, defective
• Stapler motor defective
• Finisher main board defective
• Stapler motor overload
B246
• Stapler rotation motor disconnected,
defective
• Stapler rotation motor overloaded due to
obstruction
• Stapler rotation HP sensor disconnected,
defective
B140
• HP sensors defective
• Harness disconnected, defective
• Motor defective
• Finisher main board defective
• Motor overload
B246
• Stapler movement motor disconnected,
defective
• Stapler movement motor overloaded due
to obstruction
• Stapler HP sensor disconnected,
defective
B140
• HP sensor of shift jogger motor, harness,
connector defective, or motor
disconnected
• HP sensor, harness, connector of
retraction motor defective, or motor
disconnected
• Shift jogger motor defective
• Shift jogger fence lift motor defective
• Finisher main control board defective
B246
• Front motor disconnected, defective
• Front motor overloaded due to
obstruction
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