Xerox Phaser 8400 Service Manual page 125

Jam Code Troubleshooting Procedures
B2C Preheat exit sensor unexpected state during mechanical recovery.
1. Clear jam and let printer finish mechanical recovery.
2. Ensure ground integrity of the printer, see page 4-77.
B2F Preheater exit sensor in unexpected state during fault.
B2S Preheater exit sensor in unexpected state during stage.
1. Ensure ground integrity of the printer, see page 4-77.
2. Check the drum maintenance unit NVRAM contacts during the oiling process for
continuity.
3. Check the waste tray.
4. Replace the preheater assembly.
B2M The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 2.
B2N The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 3.
B2P The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 4.
B2Q The preheat flag tripped unexpectedly while the printer was picking paper from
Tray 1.
1. Test the preheat flag using the diagnostic Sensors test.
2. Ensure ground integrity of the printer, see page 4-77.
B3M The preheat flag timed out waiting for the paper picked from Tray 2.
B3N The preheat flag timed out waiting for the paper picked from Tray 3.
B3P The preheat flag timed out waiting for the paper picked from Tray 4
B3Q The preheat flag timed out waiting for the paper picked from Tray 1.
B3S Preheater sensor timed out during stage.
B3T Preheater exit sensor timed out during transfix.
1. Verify the media is appropriate for the tray.
2. Check for paper path obstructions, ensure the preheater plate moves freely.
3. Replace the Tray 1 Separator Pad Assembly.
4. Run diagnostics to test the preheat flag.
5. Ensure the deskew rollers are in good condition.
6. Run the Deskew Clutch test.
7. Run the Paper Path Drive test.
8. Replace the preheater, then retest
Service Manual
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