Xerox Phaser 8400 Service Manual

Service Manual 3-23
7,0XX.6x Errors - Program Faults
a. Reset NVRAM and retest.
b. Ensure ground integrity for the printer (see "Ensuring Ground Integrity" on
page 4-77).
6
1. Check the process gearbox for obstructions
or damaged.
2. Ensure the gears are correctly aligned and
homed.
3. Verify the process shaft and drive module
shaft are at their home positions.
4. Did this correct the problem?
Complete. Go to Step 7.
7
1. Has ink spilled on the head tilt gear on its
drive train (near left side of the printhead)?
Clean the
gears.
Go to Step 8.
8
1. Use service diagnostics to run the Head
Maintenance Wiper Clutch test.
2. Did the test fail?
Replace the
wiper drive
clutch.
Go to Step 9.
9
1. Ensure the wiper is properly aligned.
2. Use service diagnostics to run the Wiper
Drive Tes t .
3. Did the test fail?
Replace the exit
module
assembly.
Go to Step 10.
10
1. Use service diagnostics to run the Load
Maintenance Clutch test.
2. Did the test fail?
Inspect the
maintenance
drive system,
replace any
defective parts.
Go to step 11.
11
1. Verify the headtilt gear will engage. You can
manually set the headtilt gear.
2. Is the gear engaged properly?
Go to Step 12. Set the headtilt
gear.
12
1. Use service diagnostics to run the Tilt Axis
Drive test.
2. Did the test fail?
Replace the
process
gearbox.
Go to Step 13.
13
1. Use service diagnostics to run the Process
Motor test.
2. Did the test fail?
Replace the
process motor.
Troubleshooting Procedure for 7,010 to 7,015 Error Code (Continued)
Step Questions and Actions Yes No

Xerox Phaser 8400 Specifications

General

Brand	Xerox
Model	Phaser 8400
Category	Printer
Language	English