Ricoh MP 2014AD - Page 214

SC Code Descriptions
SM 6-16 D245/D246/D247
SC No. Level Error Name/Error Condition/Major Cause/Solution
502-02 B 2nd tray (option) error (lowering error)
The tray lift sensor does not turn off for 1,000 msec. after the
tray bottom plate has started to lower when the upper limit and
paper load are simultaneously detected at the power-on or tray
installation.
* If the machine detects an error five times consecutively, this
SC is issued.
 Tray lift motor error or harness disconnected
 Tray lift sensor error or harness disconnected
 Each harness damaged
 Main board defective
 Foreign matter, such as paper scrap, is caught between the
tray and tray lift motor or in the tray.
 Paper set fault
 Bottom plate defective
 Paper feed roller missing
 Tray lift sensor feeler defective
 Reload the paper.
 Remove the foreign matter.
 Replace the tray lift motor.
 Reconnect the connector.
 Replace the harness.
 Replace the tray lift sensor.
 Replace the main board.
 Replace the paper feed roller.
 Replace the tray lift sensor feeler
 Replace the tray bottom plate.
 Replace the tray.