Xerox Phaser 8400 Service Manual

3-30 Phaser 8400/8500/8550 Color Printer
13,008.47: The drum heater is too hot.
13,010.49: The drum heater took too long to reach its setpoint.
13,067.43: The drum thermistor circuit is open.
13,069.45: The drum thermistor circuit is shorted.
13,071.47: The drum thermistor returned a bad reading, or the reading was corrupted
by ESD (Electrostatic Discharge).
Troubleshooting Procedure for 13,008 to 13,010 Error Code (Drum Heater)
Step Questions and Actions Yes No
1
1. Verify that the ambient temperature of the
room is within the printers optimal
environmental specification (see
"Environmental Specifications" on
page 1-11).
2. Is the room too cold or too hot?
Advise
customer of
specification
requirements.
Go to Step 2.
2
1. Ensure ground integrity of the printer (see
"Ensuring Ground Integrity" on page 4-77).
2. Are all components grounded properly?
Go to Step 3. Resolve ground
integrity.
3
1. Is the error code associated with an
overheat condition?
Go to Step 4. Go to Step 6.
4
1. Verify clearance for adequate air flow.
2. Are any of the vents blocked?
Advise
customer of
clearance
specification.
Go to Step 5.
5
1. Using service diagnostics, run the Drum
Fan Motor test.
2. Did the test pass?
Go to Step 6. Replace the
drum fan and/or
the wiring
harness.
6
1. Check the electronics module fan.
2. Is the fan operating correctly?
Go to Step 7. Replace the
electronics
module fan.
7
1. Using service diagnostics, run the Drum
Temperature Sensor test.
2. Did the test pass?
Go to Step 8. Replace the
drum
temperature
sensor.
8
1. Using service diagnostics, run the Drum
Heater test.
2. Did the test pass?
Replace the
drum
temperature
sensor.

Xerox Phaser 8400 Specifications

General

Brand	Xerox
Model	Phaser 8400
Category	Printer
Language	English