Xerox Phaser 8400 Service Manual page 122

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Jam Code Troubleshooting Procedures
M4J
Paper path motor stalled while the printer performed printhead purge.
1.
Inspect the paper path for obstructions.
2.
Run the diagnostic Paper Drive Power test.
3.
Run the diagnostic Media Path Motor and Shafts test.
4.
Replace the Media Path Drive Assembly.
M4K
Paper path motor stalled while the printer performed an oil transfix roller cycle.
1.
Inspect the paper path for obstructions.
2.
Run the diagnostic Paper Drive Power test.
3.
Run the diagnostic Media Path Motor and Shafts test.
4.
Replace the Media Path Drive Assembly.
M4L
Paper path motor stalled while the printer was in standby mode.
1.
Inspect the paper path for obstructions.
2.
Run the diagnostic Paper Drive Power test.
3.
Run the diagnostic Media Path Motor and Shafts test.
4.
Replace the Media Path Drive Assembly.
5.
Ensure that media is correct weight and type for tray.
M4M
Paper path motor stalled while the printer picked from Tray 2.
1.
Inspect the paper path for obstructions.
2.
Run the diagnostic Paper Drive Power test.
3.
Run the diagnostic Media Path Motor and Shafts test.
4.
Replace the Media Path Drive Assembly.
5.
Ensure that media is correct weight and type for tray.
M4N
Paper path motor stalled while the printer picked from Tray 3.
1.
Inspect the paper path for obstructions.
2.
Run the diagnostic Paper Drive Power test.
3.
Run the diagnostic Media Path Motor and Shafts test.
4.
Replace the Media Path Drive Assembly.
5.
Ensure that media is correct weight and type for tray.
M4P
Paper path motor stalled while the printer picked from Tray 4.
1.
Inspect the paper path for obstructions.
2.
Run the diagnostic Paper Drive Power test.
3.
Run the diagnostic Media Path Motor and Shafts test.
4.
Replace the Media Path Drive Assembly.
5.
Ensure that media is correct weight and type for tray.
M4Q
Paper path motor stalled while the printer picked from Tray 1.
1.
Inspect the paper path for obstructions.
2.
Run the diagnostic Paper Drive Power test.
3.
Run the diagnostic Media Path Motor and Shafts test.
4.
Replace the Media Path Drive Assembly.
5.
Ensure that media is correct weight and type for tray.
Error Messages and Codes
(Continued)
3-55

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