Xerox Phaser 8400 Service Manual page 131

Jam Code Troubleshooting Procedures
N4H Y-Axis motor stalled while the printer performed printhead maintenance.
N4J Y-Axis motor stalled while the printer performed printhead purge.
N4K Y-Axis motor stalled while the printer performed an oil transfix roller cycle.
N4L Y-Axis motor stalled while the printer was in standby mode.
N4S Y-Axis motor stalled while the printer staged for transfix.
N4T Y-Axis motor stalled while the printer transfixed the print.
N4V Y-Axis motor stalled while the printer performed a print drum maintenance cycle.
N4W Y-Axis motor stalled while the printer imaged the drum.
N4X Y-Axis motor stalled while the print exited the printer.
1. Check for supported media, generally label, trifold or envelopes cause this error.
2. Try running fewer sheets through the tray.
3. Ensure the Process Drive Gearbox is correctly aligned, refer to "Homing the
Process Gear Drive Train" on page 6-8.
4. Run the Check Y-Axis Motor test, replace if necessary.
5. Run the Belt Slip test.
6. Replace the Tray 1 separator pad assembly.
7. Replace the process drive assembly.
N5T Y-Axis motor out of position while the printer transfixed the print.
N5W Y-Axis motor out of position while the printer imaged the drum.
1. Inspect the Y-Axis drive belt.
2. Run the Check Drum Y-Axis Encoder test.
3. Run the Check Drum Y-Axis Drive test.
4. Run the Check Drum Y-Axis Belt Slip test.
5. Replace the Y-Axis motor or drum assembly if necessary.
N6T Y-Axis motor media short during transfix. The media was measured to be shorter
than it was believed to be.
1. Ensure the media is supported.
2. Ensure ground integrity of the printer, see page 4-77.
3. Run the Check Drum Y-Axis Encoder test.
4. Pull the preheater and check the preheater flag for ink or paper interference.
5. Replace the preheater.
Legal size paper from Tray 4 in standard print mode may buckle. Use slower print
mode.
Service Manual
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