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3-36 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Error Messages and Codes
36,000.40 Errors - Drum Maintenance Faults
36,001.67 Errors - Drum Maintenance Fault
1. Replace the Drum Maintenance Pivot Plate.
2. Replace the Drum Maintenance Kit.
36,002.44 Errors - Drum Maintenance Program Fault
Printer can’t write to Drum Maintenance Kit.
1. Ensure the Drum Maintenance Kit sits correctly in the Drum Maintenance
Pivot Plate.
2. Replace the Drum Maintenance Kit.
3. Replace the Drum Maintenance Pivot Plate.
37,0XX.xx Errors - PEST Faults
AC power supplied by power sources such as uninterruptible power supplies
(UPSs) or DC-to-AC inverter systems may not supply correct voltage to
properly power up the printer. Likewise, other devices sharing the same AC
circuit can cause AC voltage sags that cause the printer to fail its AC heater
PEST tests (Print Engine Self Test). The printer may produce any of the
following disconnected heater errors:
■ Printhead jet-stack 37,002.47 or 37,003.48
Troubleshooting Procedure for Drum Maintenance
Step Questions and Actions
Yes No
1 Ensure ground integrity (see “Ensuring
Ground Integrity” on page 4-65).
Did this correct the problem?
Complete. Go to Step 2.
2 Ensure the Process Drive system is
correctly homed as described in
“Homing
the Process Drive Train” on page 6-8.
Complete. Go to Step 3.
3 1. Check the Drum Maintenance Pivot Plate
for cracks.
2. Check the Drum Maintenance Camshaft
rollers for damage or improper
movement.
3. If the Drum Maintenance Pivot Plate or
cam rollers are faulty, replace.
Did this correct the problem?
Complete. Go to Step 4.
4 Use Service Diagnostics to run the Drum
Maintenance/Transfix Home test.
Use Service Diagnostics to run the Drum
Maintenance Drive test.
If either test fails, replace the
Process Drive.