Ricoh B064 - Page 378

B140 SERIES AND G126 SERVICE MODE
B064 Series/B140 Series/G126 4-54 SM
SC No. Symptom Possible Cause
Finisher upper tray lift motor error 726 B
The paper height sensor does not
activate within the prescribed time
after the upper tray lift motor turns
on, or the sensor remains on after
the motor reverses to lower the
tray.
• Upper tray paper height sensor defective
• Sensor harness disconnected, defective
• Tray lift motor defective
• Finisher main board defective
• Tray lift motor overloaded due to
obstruction
Finisher stapler rotation motor error 727 B
The stapler motor switches on but
the motor does not return to the
home position within the prescribed
number of pulses.
• Stapler rotation motor HP sensor
disconnected, defective
• Motor harness damaged, disconnected
• Stapler lift motor defective
• Finisher main board defective
• Rotation motor overload due to
obstruction
Finisher punch motor error 729 D
The punch HP sensor does not
activate within the prescribed time
the punch motor turns on.
• Punch HP sensor defective
• Sensor harness disconnected, defective
• Punch motor defective
• Finisher main board defective
• Poor punch motor overload due to
obstruction
Finisher stapler movement motor error 730 B
The stapler HP sensor does
activate within the prescribed time
after the stapler motor turns on and
moves the stapler away from home
position. After 2 counts, the SC is
logged as a jam.
• Stapler HP sensor defective
• Sensor harness disconnected, defective
• Stapler movement motor defective
• Finisher main board defective
• Stapler movement motor overload due to
obstruction
Finisher shift roller motor error 732 B
The shift roller HP sensor does not
activate within the prescribed time
after the shift roller motor turns on.
After 2 counts, the SC is logged as
a jam.
• Shift roller HP sensor defective
• Sensor harness disconnected, defective
• Shift roller motor defective
• Finisher main board defective
• Shift roller motor overload
Finisher lower tray lift motor error 733 B
After the lift motor switches on to lift
the tray, paper height sensor 2 does
not detect the top of the paper stack,
or after the motor reverses to lower
the stack the top of the stack remains
detected (the status of paper height
sensor 1 does not change). After 2
counts, the SC is logged as a jam.
• Paper height sensor 1 or 2 defective
• Sensor harness disconnected, defective
• Tray lift motor defective
• Finisher main board defective
• Tray lift motor overload
Finisher pre-stack motor error 735 B
• The pre-stack motor starts but
does not return to the home
position within 400 pulses. After 2
counts, the SC is logged as a jam.
• Motor does not return to the
home position within 280 pulses
immediately before or after pre-
stacking. After 2 counts, the SC
is logged as a jam.
• Jogger HP sensor defective
• Sensor harnesses disconnected,
defective
• Pre-stack motor defective
• Finisher main board defective
• Pre-stack motor overload due to
obstruction