SDL Three-fold Discharge Jam (Feed delay)

Error code
  • 123 SDL Three-Fold Discharge Jam (Feed delay)
Occurrence condition
  • After starting SDL Three-fold, SDL paper ejection sensor does not turn on even after the specified time has passed.
Assumed cause
  • Rollers, guides, etc. are dirty, deformed, or not installed properly
  • Damaged or malfunctioning SDL Discharge Sensor
  • SDL Three-fold Paper Feed Path Switching Solenoid Dirty, Missing or Broken
  • Failure of the SDL Unit Main Board
  • Floor Finisher main board failure
Related parts
  • SDL Eject Paper Sensor
  • SDL Three-fold Paper Feed Path Switching Solenoid
  • SDL Unit Main Board
  • Floor Finisher Main Board
Troubleshooting

Step

Confirmation and action

YES

NO

1

Check the Paper transport parts

Is the  Paper transport parts installed properly?

Are the paper transport parts dirty or deformed?

Reinstall the paper transport assembly

Replace if not repaired

Go to step 2

2

SDL Ejection Paper SensorCheck the connection of the connector

Is the SDL paper ejection sensor properly connected?

Go to step 3 reconnect SDL paper ejection sensor
3

SDL Ejection Paper SensorOperation Check

Is the SDL paper ejection sensor operating normally in the diagnostics menu?

Go to step 4 replace SDL paper ejection sensor
4

SDL Three-fold Paper Feed Path Switching SolenoidCheck the connection of the connector

SDL Three-fold Paper Feed Path Switching Solenoid Dirty, Missing or Broken

Go to step 5 reconnect SDL Three-fold Paper Feed Path Switching Solenoid
5

SDL Three-fold Paper Feed Path Switching SolenoidOperation Check

Is the SDL Three-fold Paper Feed Path Switching Solenoid operating normally in the diagnostics menu?

Go to step 6 Replace SDL Three-fold Paper Feed Path Switching Solenoid
6

Replace SDL Unit Main Board

Have you reconnected and repaired the connector on the SDL unit main board?

Go to step 7 Replace the SDL Unit Main Board
7

Replacing floor finisher main board

Have you reconnected and repaired the connector on the floor finisher main board?

End Replace floor finisher main board