Ricoh M281 Series Service Manual page 461

6.6 SERVICE CALL 501-582
6.6.1 SC500 (ENGINE: PAPER TRANSPORT 1: PAPER FEED,
DUPLEX, TRANSPORT)
SC No. Type
SC501-01 D
SM
Error Name/Error Condition/Major Cause/Solution
Paper Feed Tray Lift Motor Error (Tray 1)
After the paper feed tray 1 is set, paper feed tray lift sensor does
not turn on within 10 seconds. This SC is issued if a problem is
detected four times consecutively.

Bottom plate of the paper feed tray defective

Connector disconnected or defective

Drive transmission of the paper feed tray lift motor defective

Paper feed tray lift motor defective

IOB defective

Bottom plate of the paper feed tray defective
Check the bottom plate of the paper feed tray. If the bottom
plate does not move smoothly, repair or replace the paper
feed tray.

Connector disconnected or defective
Reconnect the following connector. Then perform a
conduction inspection. If there is no conduction, replace the
connector.

Paper Feed Tray Lift Motor – IOB connector

Drive transmission of the paper feed tray lift motor defective
Check the gears. If any gears are damaged, replace them.

Paper feed tray lift motor defective
Replace the paper feed tray lift motor.

Engine board defective
Replace the engine board.
6-23
Service Call 501-582
D255/D256/M281/M282