Ricoh M052 Service Manual page 442

Finisher tray lift motor error
Motor overload
Loose connection of the tray lift motor
796 B
Defective tray lift motor
Check the connections to the tray lift motor.
Replace the tray lift motor.
Stack height lever solenoid error
Stack height lever sensor does not turn on when the stack height lever
solenoid turns off.
797 B
Loose connection of the stack height lever solenoid
Defective stack height lever solenoid
Defective stack height lever sensor
SM
Paper jam message is displayed at 1st error detection.
SC is issued at 2nd error detection.
6-19
Service Call Conditions
M052/M053/M054