IN FIN Main Tray error 3

Error code

035403 IN FIN Main Tray error 3

Occurrence condition

The IN FIN Tray Lower Limit Sensor does not turn ON even after the specified time has passed when the IN FIN main tray is lowered.

Assumed cause

Deformation, dropout, or failure of IN FIN Main Tray
Deformation, dropout, or failure of IN FIN Main Tray Drive Parts
IN FIN Elevating Tray Motor dirty, missing or defective
IN FIN Tray Lower Limit Sensor dirty, missing or defective
Inner Finisher main board failure

Related parts

IN FIN Main Tray
IN FIN Main Tray Drive Parts
IN FIN Elevating Tray Motor
IN FIN Tray Lower Limit Sensor
Inner Finisher Main Board

Troubleshooting

Step	Confirmation and action	YES	NO
1	Check the IN FIN Main Tray Is the IN FIN Main Tray assembled correctly?	Go to step 2	If the IN FIN Main Tray cannot be moved manually, fix the part where it is stuck.
2	Check the IN FIN Main Tray Drive Parts Is the IN FIN Main Tray Drive Parts installed properly? Are there any problems with the drive parts?	Go to step 3	Reinstall the IN FIN Main Tray Drive Parts Replace if not repaired
3	Check the IN FIN Elevating Tray Motor [Part(s) to be checked] IN FIN Elevating Tray Motor - Inner Finisher Main Board [Confirmation details] Is the IN FIN Elevating Tray Motor missing or improperly installed? Is there any abnormality (damage/wear) in the IN FIN Elevating Tray Motor? Are the connectors connected properly? Are there any problems with the wires?	Go to step 4	In case of falling off or improper installation Reassembly of the IN FIN Elevating Tray Motor If there is an abnormality (damage/wear) Replace the IN FIN Elevating Tray Motor Improper connector connection Clean the wire connector and reinsert it. If the wire is abnormal Replace the wire.
4	Check the operation of the IN FIN Elevating Tray Motor Are the following motors operating normally in Failure Verification menu? IN FIN Elevating Tray Motor	Go to step 5	Replace the IN FIN Elevating Tray Motor
5	Check the IN FIN Tray Lower Limit Sensor [Part(s) to be checked] IN FIN Tray Lower Limit Sensor - Inner Finisher Main Board [Confirmation details] Is the IN FIN Tray Lower Limit Sensor missing or improperly installed? Is there any abnormality (damage/wear) in the IN FIN Tray Lower Limit Sensor? Are the connectors connected properly? Are there any problems with the wires?	Go to step 6	In case of falling off or improper installation Reassembly of the IN FIN Tray Lower Limit Sensor If there is an abnormality (damage/wear) Replace the IN FIN Tray Lower Limit Sensor Improper connector connection Clean the wire connector and reinsert it. If the wire is abnormal Replace the wire.
6	Check the IN FIN Tray Lower Limit Sensor Are the following sensor operating normally in Failure Verification menu? IN FIN Tray Lower Limit Sensor	Go to step 7	Replace the IN FIN Tray Lower Limit Sensor
9	Replacing the inner finisher main board Replaced the inner finisher main board and did the problem improve?	End	Contact Epson local service representatives.