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Phaser 8400/8500/8550/8560 Color Printer Service Manual 3-45
Error Messages and Codes
Troubleshooting Procedure for Y-Axis Motor
Step Questions and Actions
Yes No
1 1. Remove any obstructions interfering with
Drum rotation.
2. Inspect the Drum and ensure the Drum
rotates smoothly, if not replace the Drum
Assembly and retest.
Did this correct the problem?
Complete. Go to Step 2.
2 Disconnect the Y-Axis Belt.
Does the Y-Axis Motor shaft rotate
smoothly?
Go to Step 3. Replace the
Y-Axis Motor.
3 1. Reconnect the Y-Axis Belt.
2. Run the Y-Axis Motor test.
Did the test pass?
Replace the
Electronics
Module.
Go to Step 4.
4 Check the wiring for damage. Replace the Y-Axis motor.
8400
8500/8550/
8560
PEST Description
37,034.43: 37,037.46: Media Drive motor disconnect. The Media Drive is not
drawing the expected power.
37,035.44: 37,038.47: Media Drive motor short. The Media Drive is drawing
too much power.
Troubleshooting Procedure for Media Drive
Step Questions and Actions
Yes No
1 Run the Media Path Motor test.
Did the test pass?
Replace the
Electronics
Module.
Go to Step 2.
2 Check the wiring for damage. Replace the Media Drive
Assembly.
8400
8500/8550/
8560
PEST Description
37,036.45: 37,039.48: Process motor disconnect. The Process Drive is not
drawing the expected power.
37,037.46: 37,040.40: Process motor short. The Process Drive is drawing too
much power.