SDL Bi-Fold Eject Jam (Feed delay)
Error code
- 121 SDL Paper Transport Jam (Feed delay)
Occurrence condition
- SDL output sensor does not turn ON even after the specified time has passed after the half-folding operation has started.
Assumed cause
- Rollers, guides, etc. are dirty, deformed, or not installed properly
- Damaged or malfunctioning SDL Discharge Sensor
- SDL Folding Blade Drive Motor Dirty, Missing or Broken
- Failure of the SDL Unit Main Board
- Floor Finisher main board failure
Related parts
- SDL Eject Paper Sensor
- SDL Folding Blade Drive Motor
- 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 | Confirmation of connector connection of SDL Folding Blade Drive Motor Is the SDL Folding Blade drive motor connected properly? |
Go to step 5 | Reconnect the SDL Folding Blade Drive Motor |
| 5 | Operation check of SDL Folding Blade Drive Motor Is the SDL Folding Blade drive motor operating normally in the diagnostics menu? |
Go to step 6 | Replace SDL Folding Blade Drive Motor |
| 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 |