SDL Three-Fold Discharge (Feed delay)

Error code
  • 124 SDL Three-Fold Discharge (Feed delay)
Occurrence condition
  • The SDL Discharge sensor does not turn off even after the specified time has passed since the SDL Discharge sensor turned on during Three-fold operation.
Assumed cause
  • SDL Tray is not installed properly
  • Rollers, guides, etc. are dirty, deformed, or not installed properly
  • Damaged or malfunctioning SDL Discharge Sensor
  • Failure of the SDL Unit Main Board
  • Floor Finisher main board failure
Related parts
  • SDL Tray
  • SDL Eject Paper Sensor
  • SDL Unit Main Board
  • Floor Finisher Main Board
Troubleshooting

Step

Confirmation and action

YES

NO

1

Checking the SDL Tray

Is the SDL Tray installed properly?

Go to step 2

Remove the paper and reinstall the SDL Tray
2

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 3

3

SDL Ejection Paper SensorCheck the connection of the connector

Is the SDL paper ejection sensor properly connected?

Go to step 4 reconnect SDL paper ejection sensor
4

SDL Ejection Paper SensorOperation Check

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

Go to step 5 replace SDL paper ejection sensor
5

Replace SDL Unit Main Board

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

Go to step 6 Replace the SDL Unit Main Board
6

Replacing floor finisher main board

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

End Replace floor finisher main board