Xerox Phaser 8400 Service Manual

3-14 Phaser 8400/8500/8550 Color Printer
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 drum transfix mechanism.
Troubleshooting Procedure for 4,024 Error Code
Step Questions and Actions Yes No
1
1. Ensure the process drive system is correctly
homed as described in "Homing the Process
Gear Drive Train" on page 6-8.
Is the problem
fixed?
Go to Step 2.
2
1. Run the Check Wiper Alignment test.
2. 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
1. Run the Wiper Drive test.
2. Did the test fail?
Go to Step 4. Go to Step 6.
4
1. Inspect the wiper drive system and wiper
lock system. Look for ink in the belts.
2. Is the wipe system operating correctly?
Go to Step 5. Replace the
problem
component.
5
1. Inspect the head maintenance clutch.
2. Is there the presence of oil or
contamination?
Clean the
interior of the
system and
replace clutch if
necessary.
Go to Step 6.
6
1. Run the Head Maintenance Clutch test.
2. Is the head maintenance clutch operating
correctly?
Replace in the
following order:
■ Exit module
■ Media drive
gearbox
■ 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.
3. Did this fix the problem?
Complete. Go to Step 2.
2
1. Ensure the wiring around the printhead is
routed properly.
2. Is the wiring blocking the printhead?
Re-route all
wiring to the
printhead.
Go to Step 3.

Xerox Phaser 8400 Specifications

General

Brand	Xerox
Model	Phaser 8400
Category	Printer
Language	English