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3-46 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Error Messages and Codes
Troubleshooting Procedure for Process Drive
Step Questions and Actions
Yes No
1 Do the Process Drive gears, Transfix
Camshaft, and Drum Maintenance Camshaft
rotate freely?
Go to Step 2. Look for drag
in the rollers
or replace the
Process
Drive.
2 Run the Process Motor test.
Did the test pass?
Replace the
Electronics
Module.
Go to Step 3.
3 Check the wiring for damage. Replace the Process Drive.
8400 PEST Description
8500/8550/8560 PEST
Description
37,038.47: The power supply did not reset
properly. Reset may be
disconnected.
37,039.48: Power supply +5 volt over limit.
37,040.40: Power supply +5 volt under limit.
37,041.41: Power supply +1.8 volt over limit. The power supply did not reset
properly. Reset may be
disconnected.
37,042.42: Power supply +1.8 volt under
limit.
37,043.43: Power supply +2.5 volt over limit. Power supply +2.5 volt over limit.
37,044.44: Power supply +2.5 volt under
limit.
Power supply +2.5 volt under
limit.
37,045.45: Power supply +3.3 volt over limit. Power supply +3.3 volt over limit.
37,046.46: Power supply +3.3 volt under
limit.
Power supply +3.3 volt under
limit.
37,047.47: Power supply +12 volt over limit. Power supply +12 volt over limit
37,048.48: Power supply +12 volt under limit Power supply +12 volt under limit
37,049.40: Power supply -12 volt over limit. Power supply -12 volt over limit.
37,050.41: Power supply -12 volt under limit. Power supply -12 volt under
limit.
37,051.42: Power supply current over limit. Power supply current over limit.
37,052.43: Power supply current under limit. Power supply current under limit.
37,053.44: Power supply +50 volt over limit. Power supply +50 volt over limit.
37,054.45: Power supply +50 volt under limit. Power supply +50 volt under
limit.
37,055.46: Power supply -50 volt over limit. Power supply -50 volt over limit.