Xerox Phaser 8400 Service Manual page 87

Troubleshooting Procedure for 7,008 Error Code (Continued)
Step Questions and Actions
6 1. Use service diagnostics to run the Tilt Axis
Drive test.
2. Did the test fail?
7 1. Use service diagnostics to run the Head
Maintenance Wiper Clutch test.
2. Did the test fail?
8 1. Perform the Wiper Alignment procedure (see
"Wiper Alignment Procedure" on page 6-2).
2. Did this correct the problem?
9
1. Use service diagnostics to run the Wiper
Drive Test.
2. Did the test fail?
7,009.42: The printhead is tilted back but not properly restrained in the park arms.
Troubleshooting Procedure for 7,009 Error Code
Step Questions and Actions
1 1. Ensure that the right and left printhead
restraints work correctly and are not cracked
or broken.
2 1. Ensure that the wiper is aligned correctly
(see "Wiper Alignment Procedure" on
page 6-2).
3
1. Check the printhead wiring for proper
routing.
2. Remove the printhead and clean around the
printhead tilt gears.
3. Did this correct the problem?
4 1. Ensure the gears are correctly aligned and
homed (see "Homing the Process Gear
Drive Train" on page 6-8).
2. Did this correct the problem?
5 1. Replace the process gearbox.
2. Did this correct the problem?
6 1. Use service diagnostics to run the Head
Maintenance Wiper Clutch test.
2. Did the test fail?
Service Manual
Yes
Replace the Go to Step 7.
process
gearbox.
Replace the Go to Step 8.
wiper drive
clutch.
Complete. Go to Step 9.
Inspect the Complete.
maintenance
drive system
and replace any
defective parts.
Yes
Complete. Go to Step 2.
Complete. Go to Step 3.
Complete. Go to Step 4.
Complete. Go to Step 5.
Complete. Go to Step 6
Replace the Go to Step 7.
wiper drive
clutch.
No
No
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