3-50 WorkCentre C2424 Service Manual
Jam Code Definition Table
Not all jam code combinations are documented in this manual, only the codes that
occur most commonly.
Jam Code Troubleshooting Procedures
A2C Deskew sensor in unexpected state during mechanical recovery.
1. Check the drum maintenance unit NVRAM contacts during the oiling process
for continuity.
2. Instruct customer to remove media from Tray 1 before opening the front door.
3. Replace the pivot arm.
A2E Deskew sensor in unexpected state at ready.
1. Ensure ground integrity of the system (see page 4-73).
2. Replace Tray 1 solenoid.
A2F Deskew sensor in unexpected state.
1. Ensure ground integrity of the system (see page 4-73).
2. Verify all doors and covers are fully closed and not moving during printing.
A2J Deskew flag sensor event during head purge.
A2K Deskew sensor in an unexpected state during an transfix roller oiling.
A2M The deskew flag tripped unexpectedly while the system was picking paper from
Tray 2.
A2N The deskew flag tripped unexpectedly while the system was picking paper from
Tray 3.
A2P The deskew flag tripped unexpectedly while the system was picking paper from
Tray 4.
A2S Deskew sensor in unexpected state during media stage for transfix.
A2Q The deskew flag tripped unexpectedly while the system was picking paper from
Tray 1.
1. Try using different, supported media.
2. Ensure the paper guides are snug against the media in the tray.
3. Push up on Tray 2 - 4 nudger roller until it is captured by actuator arm.
4. Run the following diagnostic tests, Deskew Flag, Tray {2-4} Pick Clutch and the
Tray {2-4} Solenoid.
5. Ensure ground integrity of the system (see page 4-73).
6. Verify all doors and covers are fully closed and not moving during printing.
7. Replace the Tray 2 - 4 pick clutch.
8. Replace the retard roller.
9. Replace the preheater.
A3G Deskew Sensor time-out event during an auto drum maintenance cycle.
A3M The deskew flag timed out waiting for the paper picked from Tray 2.
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