Question about Xerox Phaser 8400 Laser Printer
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Posted on Jan 02, 2017
Sadly that is not good.That normally is one of the heaters in the print head has failed not warming up enough to allow the ink to remain liquid. It frequently is the result of a failure of the electronics module, none of the most likely problems is a cheap fix. I will give you the list of most probable causes.
Wish I had a more hopeful answer.
PARTS:Parts are listed in the order of highest probability for repair.
NUMBER QTY DESCRIPTION
119649580 1 *ELECTRONICS MODULE (STRIPPED)
671529180 1 I/O BOARD
650430300 1 *PRINTHEAD ASSEMBLY
The electronics module. Listed as stripped, means it comes without the ram and nvm boards. When that fails it is a portion of that module that supplies the heater voltage. I think its a 50 volt source off hand.
Posted on Apr 22, 2008
SOURCE: xerox phaser 8400 fault
I have the same type of error and it's most likely a power shortage to the printerhead. Very expensive part to replace, like $700-800. You might as well buy a new printer for that price!! This was caused to my printer by a power outage the night before.
Posted on Aug 29, 2008
Hi I can gave you some error codes but this all I can do hope it be of help to you.
2. Run the Test Tray 1 Width Sensors.
3. If the test fails replace the front door.
4. Replace the I/O board.
2. Check for an obstruction or damage in the process gearbox.
3. Ensure the gears are correctly aligned and homed. If faulty replace the process gearbox
4. Run the Tilt Axis Drive test to test the headtilt.
5. Run the Head Maintenance Wiper Clutch test. If the test fails, replace the wiper drive clutch.
6. Run the Wiper Axis Drive test.
7. Replace the exit assembly.
2. Verify the lock arms rotate correctly.
3. Check for spilled ink around the printhead.
4. Check the process motor gears for damage. Ensure the process gears are correctly aligned and homed.
5. Verify the process gear box, process shaft, and drive module shaft are at home position.
6. Verify the headtilt gear will engage, see the home positioning procedure on page. You can manually engage the headtilt gear.
7. Run the Tilt Axis Drive test.
8. Run the Process Motor test.
9. Run the Head Maintenance Clutch test, if the test fails replace the clutch.
10.Run Wiper Drive test. If this fails inspect the wiper drive system.
All The Best: Pineworks
Posted on Jan 30, 2010
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