C4 Lift up Tray Upper Limit Detection Error

Error code
  • 034228 C4 Lift up Tray Upper Limit Detection Error
Occurrence condition
  • Even if the lift-up motor rotates for a predetermined time, the upper detection of the lift-up tray cannot be performed.
Assumed cause

  • Gear damage惻wear

  • foreign substances tucking

  • Deformation or damage to the inner plate of the cassette unit

  • Tray Upper Limit Sensor failure

Related parts
  • Cassette Unit
  • Lift Up Motor Unit
  • C4 Pickup Unit
  • Tray Upper Limit Sensor
Troubleshooting

Step

Confirmation and action

YES

NO
1

Check operation of the Lift up Motor Gear.

Pull out the cassette unit and check the following inside the main unit.

  • Are there any foreign substances in the lift-up motor gear?
  • Are there any gear damage/wear in the lift-up motor gear?
  • Yes : Removal of foreign substances
  • In case of gear damage/wear: Replace the lift-up motor unit.

Go to step 2
2

Check the cassette unit lift-up gear.

  • Are there any foreign objects in the gear?
  • Are there any gear damage/wear in the gear?
  • Yes : Removal of foreign substances
  • In case of gear damage/wear: Replace the cassette unit.
 Go to step 3
3 Check harness connection

Is the connector of the harness connected to the tray upper limit sensor disconnected?
  • Connect the connectors properly.
 Go to step 4
4

Check the tray upper limit sensor signal

  • Operate the tray upper limit lever and check if there is any fluctuation in the sensor signal.
  • Replace the tray upper limit detection sensor (C4 pickup unit)
 Go to step 5
5

Check for damage to the plate of the cassette unit

  • Is there any deformation or damage to the plate connected to the lift gear?
  • In case of gear damage/wear: Replace the cassette unit.
 Contact Epson local service representatives.