SDL Alignment Plate Upper error

Error code
  • 035311 SDL Alignment Plate Upper error
Occurrence condition
  • SDL Alignment Plate Upper HP Sensor does not turn ON even after 1 second have passed during initial operation
Assumed cause
  • SDL Alignment Plate Upper Deformation, Missing or Broken
  • SDL Alignment Plate Upper Drive Pates Deformation, Missing or Broken
  • SDL Alignment Motor Upper falling off or malfunctioning
  • Dirty, missing, or defective SDL Alignment Plate Upper HP Sensor
  • SDL Unit Main Board failure
Related parts
  • SDL Alignment Plate Upper
  • SDL Alignment Plate Upper Drive Parts
  • SDL Alignment Motor Upper
  • SDL Alignment Plate Upper HP Sensor
  • SDL Unit Main Board
Troubleshooting

Step

Confirmation and action

YES

NO
1

Check SDL Alignment Plate Upper

  • Is the SDL Alignment Plate Upper installed properly?
 Go to step 2

If the SDL Alignment Plate Upper cannot be moved manually, fix the part where it is stuck.
2

Check the SDL Alignment Plate Upper Drive Parts

  • Is the SDL Alignment Plate Upper Drive Parts installed properly?
  • Are there any problems with the drive parts?
 Go to step 3

Reinstall the SDL Alignment Plate Upper Drive Parts

Replace if not repaired
3

Check the SDL Alignment Motor Upper

[Part(s) to be checked]

  • SDL Alignment Motor Upper - SDL Unit Main Board

[Confirmation details]

  • Is the SDL Alignment Motor Upper missing or improperly installed?
  • Is there any abnormality (damage/wear) in the SDL Alignment Motor Upper?
  • 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 SDL Alignment Motor Upper

If there is an abnormality (damage/wear)

  • Replace the SDL Alignment Motor Upper

Improper connector connection

  • Clean the wire connector and reinsert it.

If the wire is abnormal

  • Replace the wire.
4

Check the operation of the SDL Alignment Motor Upper

Are the following motors operating normally in Failure Verification menu?

  • SDL Alignment Motor Upper
 Go to step 5 Replace the SDL Alignment Motor Upper
5

Check the SDL Alignment Plate Upper HP Sensor

[Part(s) to be checked]

  • SDL Alignment Plate Upper HP Sensor - SDL Unit Main Board

[Confirmation details]

  • Is the SDL Alignment Plate Upper HP Sensor missing or improperly installed?
  • Is there any abnormality (damage/wear) in the SDL Alignment Plate Upper HP 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 SDL Alignment Plate Upper HP Sensor

If there is an abnormality (damage/wear)

  • Replace the SDL Alignment Plate Upper HP Sensor

Improper connector connection

  • Clean the wire connector and reinsert it.

If the wire is abnormal

  • Replace the wire.
6

Check the operation of the SDL Alignment Plate Upper HP Sensor

Are the following sensor operating normally in Failure Verification menu?

  • SDL Alignment Plate Upper HP Sensor
 Go to step 7 Replace the SDL Alignment Plate Upper HP Sensor
7

Replace SDL Unit Main Board

  • Replaced the SDL Unit Main Board and did the problem improve?
 End Contact Epson local service representatives.