Ricoh G148, Service Manual

Page: 268 / 537

730 B
Finisher Tray 1 shift motor error
The shift roller HP sensor of the upper tray does
not activate within the prescribed time after the
shift tray starts to move toward or away from
the home position. The 1st detection failure is-
sues a jam error, and the 2nd failure issues this
SC code.
• Shift tray HP sensor of the upper tray
disconnected, defective
• Shift tray motor of the upper tray is
disconnected, defective
• Shift tray motor of the upper tray
overloaded due to obstruction
732 B
Finisher shift roller motor error
The shift roller HP sensor does not ac-
tivate 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
733 D
Finisher lower tray lift motor error
After the lift motor switches on to lift the
tray, paper height sensor 2 does not
detect the top of the paper stack, or af-
ter 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
735 B
Finisher pre-stack motor error
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 po-
sition 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
Service Mode
267
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