"Tray 1 not set" is displayed even when the tray is set Ricoh MP C2004 C2504 Service Manual

Cause verification	Problem Judgement
Execute an INPUT check when there is paper at the position of the referenced sensor.	0: Paper not detected

Troubleshooting

Solution:

 Reconnect the connector.

 Replace the sensor.

 Replace the Paper Transport IOB.

 Replace the harness.

Feeler for 2nd paper end sensor

Cause verification	Problem Judgement
Check if the feeler for 2nd paper end sensor is unfastened.	Feeler is unfastened.

Solution:

 Reinstall the feeler.

 Check if there are any defects in the 2nd paper feed unit.

"Tray 1 not set" is displayed even when the tray is set

Target Part/SP No.:Tray Set Switch (1st Feed Tray) / SP5-803-016 (Tray 1: Set Sensor)

Cause verification	Problem Judgement
Manually press the referenced switch (Done after detaching paper feeding tray 1 from the machine.)	1: Not set
Pull out paper feed tray 1 from the machine.	0: Set

Solution:

 Reconnect the connector.

 Replace the sensor.

 Replace the Paper Transport IOB.

 Replace the harness.

1st Paper Feed Tray

Replace the 1st paper feed tray.