Xerox Phaser 8400 Service Manual page 112

Jam Code Troubleshooting Procedures
A3R Deskew sensor timeout during movement from exit roller to deskew roller when
duplexing print.
1. Ensure the media is appropriate for two-sided printing. Not too short, not too
smooth. Check printer specifications.
2. Inspect the condition of the exit rollers and the duplex roller.
3. Test the operation of the exit roller and the duplex roller using diagnostic Duplex
Paper Lead Edge Times test.
4. Test the deskew sensor using the diagnostic Sensors test.
B2M The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 2.
1. Test the preheat flag using the diagnostic Sensors test.
2. Ensure the ground planes and ground straps are intact.
B2N Preheat flag tripped unexpectedly following Tray 3 Pick
The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 2.
1. Test the preheat flag using the diagnostic Sensors test.
2. Ensure the ground planes and ground straps are intact.
B2P Preheat flag tripped unexpectedly following Tray 4 Pick
The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 2.
1. Test the preheat flag using the diagnostic Sensors test.
2. Ensure the ground planes and ground straps are intact.
B2Q Preheat flag tripped unexpectedly following Tray 1 Pick
The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 3.
1. Test the preheat flag using the diagnostic Sensors test.
2. Ensure the ground planes and ground straps are intact.
B3M Preheat flag timed out following Tray 2 Pick
The preheat flag timed out waiting for the paper picked from Tray 2.
1. Verify the media is appropriate for the tray.
2. Check for paper path obstructions, ensure the preheater plate moves freely.
3. Test the preheat flag using the diagnostic Sensors test.
4. Ensure the dskew rollers are in good condition.
5. Replace the preheater. Retest
B3N Preheat flag timed out following Tray 3 Pick
The preheat flag timed out waiting for the paper picked from Tray 3.
1. Verify the media is appropriate for the tray.
2. Check for paper path obstructions, ensure the preheater plate moves freely.
3. Test the preheat flag using the diagnostic Sensors test.
4. Ensure the dskew rollers are in good condition.
5. Replace the preheater. Retest
Error Messages and Codes
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