SDL Center Alignment error

Error code
  • 035312 SDL Center Alignment error
Occurrence condition
  • SDL Paper Bundle Lifting Drive HP Sensor and SDL Paper Bundle Lowering Drive HP Sensor cannot be detected even after 2.5 seconds have passed during initial operation.
Assumed cause
  • SDL Paper Bundle Plate Deformation, Missing or Broken
  • SDL Paper Bundle Plate Drive Parts Deformation, Missing or Broken
  • Dirty, missing, or defective SDL Paper Bundle Lifting Drive Motor
  • Dirty, missing, or defective SDL Paper Bundle Lowering Drive Motor
  • Dirty, missing, or defective SDL Paper Bundle Lifting Drive HP Sensor
  • Dirty, missing, or defective SDL Paper Bundle Lowering Drive HP Sensor
  • SDL Unit Main Board failure
Related parts
  • SDL Paper Bundle Plate
  • SDL Paper Bundle Plate Drive Parts
  • SDL Paper Bundle Lifting Drive Motor
  • SDL Paper Bundle Lowering Drive Motor
  • SDL Paper Bundle Lifting Drive HP Sensor
  • SDL Paper Bundle Lowering Drive HP Sensor
  • SDL Unit Main Board
Troubleshooting

Step

Confirmation and action

YES

NO
1

Check the SDL Paper Bundle Plate

  • Is the SDL Paper Bundle Plate installed properly?
 Go to step 2

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

Check the SDL Paper Bundle Plate Drive Parts

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

Reinstall the SDL Paper Bundle Plate Drive Parts

Replace if not repaired
3

Check the Motor

[Part(s) to be checked]

  • SDL Paper Bundle Lifting Drive Motor - SDL Unit Main Board
  • SDL Paper Bundle Lowering Drive Motor - SDL Unit Main Board

[Confirmation details]

  • Are there any missing parts or improper installation?
  • Are there any abnormalities (damage/wear) in the relevant locations?
  • 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 applicable parts

If there is an abnormality (damage/wear)

  • Replace applicable part

Improper connector connection

  • Clean the wire connector and reinsert it.

If the wire is abnormal

  • Replace the wire.
4

Check the Motor operation

Are the following motors operating normally in Failure Verification menu?

  • SDL Paper Bundle Lifting Drive Motor
  • SDL Paper Bundle Lowering Drive Motor
 Go to step 5 Replace the affected motor
5

Check the Sensor

[Part(s) to be checked]

  • SDL Paper Bundle Lifting Drive HP Sensor - SDL Unit Main Board
  • SDL Paper Bundle Lowering Drive HP Sensor - SDL Unit Main Board

[Confirmation details]

  • Are there any missing parts or improper installation?
  • Are there any abnormalities (damage/wear) in the relevant locations?
  • 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 applicable parts

If there is an abnormality (damage/wear)

  • Replace applicable part

Improper connector connection

  • Clean the wire connector and reinsert it.

If the wire is abnormal

  • Replace the wire.
6

Check sensor operation

Are the following sensor operating normally in Failure Verification menu?

  • SDL Paper Bundle Lifting Drive HP Sensor
  • SDL Paper Bundle Lowering Drive HP Sensor
 Go to step 7 Replace the corresponding sensor
7

Replace SDL Unit Main Board

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