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Phaser 8400/8500/8550/8560 Color Printer Service Manual 3-11
Error Messages and Codes
4,024.42: This fault code indicates a problem with the wiper. The wiper is not
aligned properly and engaged the headtilt while in the waste lock position.
4,025.46: This fault code indicates a problem with the process control system.
Cannot successfully home the transfix mechanism.
Troubleshooting Procedure for 4,024 Error Code
Step Questions and Actions
Yes No
1 Ensure the Process Drive is correctly homed
as described in
“Homing the Process Drive
Train” on page 6-8.
Is the problem
fixed?
Go to Step 2.
2 Run the Check Wiper Alignment test.
Did the test fail?
Perform the
Wiper
Alignment
Procedure and
test again. Go
to Step 3 if the
test fails
again.
Go to Step 3.
3 Run the Wiper Drive test.
Did the test fail?
Go to Step 4. Go to Step 6.
4 Inspect the wiper drive and wiper lock
system. Look for ink in the belts.
Is the wipe system operating correctly?
Go to Step 5. Replace the
problem
component.
5 Inspect the Head Maintenance Clutch.
Is there any oil or contamination?
Clean the
interior of the
system and
replace clutch
if necessary.
Go to Step 6.
6 Run the Head Maintenance Clutch test.
Is the Head Maintenance Clutch operating
correctly?
Replace in this
order:
■ Exit Module
■ Media Drive
■ Wiper Blade
Replace the
Head
Maintenance
Clutch.
Troubleshooting Procedure for 4,025 Error Code
Step Questions and Actions
Yes No
1 1. Check for obstructions around the
Printhead. Look for ink shards in gears of
the tilt drive.
2. If the Printhead is obstructed, remove any
obstruction from the system and reboot.
Did this fix the problem?
Complete. Go to Step 2.
2 Check the Printhead harness routing.
Is the wiring blocking the Printhead?
Re-route all
wiring to the
Printhead.
Go to Step 3.