Question about Xerox Phaser 8400 Laser Printer

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I have a Xerox 8400 with a print quality issue. It seems that the x-axis alignment is an issue, according to the service manual. I ran the x-axis drive test and got the following: R0:5.5825, R1:1562, R2:5.7765, R3:.0887, R4:5.8699, R5:.0435, R6:10.0820. I ran the test several times and got pretty much the same results. R1, R3, and R5 seem to indicate a problem with the print head's x-axis. There doesn't seem to be any wires interfering with the head, so could it be the x-axis motor? Or is it another issue? Thanks.

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  • bchodo Sep 19, 2010

    I don't think I'll have a problem, I already replaced the drum because of an encoder issue, and I have the Service Manual. Can you think of any gotcha's that aren't covered in the manual?

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  • Master
  • 2,777 Answers

It definitely sounds exactly like what you suspect, the X-axis motor is malfunctioning. Do you think you would be able to replace it yourself? It is extremely difficult unless you are well versed with printer repairs. I would suggest an authorized Xerox person does it for you. If you want to give me your zip code I can find someone in your area that can do it.

Thanks
Tim

Posted on Sep 17, 2010

  • Tim Grayson
    Tim Grayson Sep 19, 2010

    Not particularly aside from obvious things like making sure it is unplugged from the power while you do it... if you have the service manual you should be good to go on the repair.


    Thanks so much,
    Tim

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1 Answer

Xerox Phaser 8400 prints pdfs in half page


I've seen this issue on some of my other Xerox machines (not the 8400 specifically). 9 times out of 10 the solution is to update both the printer driver to the newest version, as well as updating Adobe Reader to the newest version.

Here are the links to each:

Xerox Phaser Drivers
Adobe Reader

May 04, 2011 | Xerox Phaser 8400 Laser Printer

1 Answer

Iam getting an error code on my xerox phaser 8400 ... code # 08,055.44:92360


. Check for spilled ink and ink overflow from printhead reservoirs. If reservoirs have overflowed or a large amount of ink is present in bottom of machine, the printer has most likely been tilted, tipped or moved while hot and this may not be covered under normal warranty or service agreement. Contact Customer and Technical Support for additional troubleshooting assistance. 3. Check printhead wiper, wiper belts and drive gears for damage. 4. Check the wiper alignment and physically align wiper as outlined in Section 6 of Service Manual, Wiper Alignment Procedure. Run the Wiper Alignment test. Reference Section 3 of Service Manual 8,0XX.xx Errors - Wiper/Media Drive Faults. 5. Run the Head Maintenance Clutch test.

Mar 02, 2010 | Xerox Phaser 8400 Laser Printer

1 Answer

Xerox phasor 8400 - fault 37,004,40:157517"


Hi I can gave you some error codes but this all I can do hope it be of help to you.
8,009.4x:CAP_FAULT_MP_NO_ CLUTCH_STALL:
  • The media path motor has stalled while moving without the clutch engaged.
33,001.4x - TM_DEV_FAULT_MPT_WIDTH_VALUE_TOO_LOW
  • Tray 1 status:
1. Check the wiring and connectors from the front door to the I/O board.
2. Run the Test Tray 1 Width Sensors.
3. If the test fails replace the front door.
4. Replace the I/O board.

08.055.44:
  • The media path drive module has stalled while engaging the head tilt.
37,008.44:
  • The Preheat preheater is not drawing the expected power from the supply.
Run the Preheat Heater test, check the wiring. If test fails and no apparently problem is evident, replace the preheater.

05,002.42:
  • Problems with the Y-axis. It could be the belt,motor or the drum.
7,008.4x: PM_FAULT_HEADTILT_NOT_ ENGAGED
  • The printhead tilt is not engaged, so it didn't tilt back properly or the printhead is stuck in the tilted position by the tilt lock arms. The process motor gear train getting out of sync can also cause this error.
1. Try rebooting the printer.
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
assembly.
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.

7,010.4x: PM_FAULT_HEADTILT_HOME_ERROR
  • The printhead is stuck in the tilt position by the tilt arms. The process motor gearbox being out of sync can also cause this error.
1. Reboot the printer.
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

Jan 05, 2010 | Xerox Phaser 8400 Laser Printer

2 Answers

The alignment is off. What shoudl we do?


under your image quality under copy mode adjust yout image shift of your x and y axis..play around with it until it aligns up

Nov 05, 2009 | Xerox Phaser 6360 Laser Printer

1 Answer

Phaser 8400 Error Code 07.009.42:265696


Hi carlt322:
Here is your problem.


7,009.4x: PM_FAULT_HEADTILT_PARK_ ERROR
The printhead is tilted back but not in the park arms and restrained properly. This is due
to the wiper assembly not moving up far enough for the park arms to hold it.
1. Check the printhead heater wiring.
2. Check for an obstruction or damage in the process
gearbox. Ensure the gears are correctly aligned and
homed, see page 6-8. If faulty replace the process
gearbox assembly.
3. Run the Head Maintenance Clutch test, if it fails replace
the clutch.
4. Run the Wiper Drive test. If the test fails, inspect the
maintenance drive system.
5. Replace the exit assembly.

Hope this helps

Sep 25, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Xerox 8400 error 07.010.43:52882


7,010.43: The printhead is stuck in the tilted position, or is not able to tilt forward to the print position, due to problems.
Do the printhead lock arms rotate correctly.
Has ink spilled ink around the printhead that prevents the printhead from moving to its center position? You should be able to manually push the printhead right to left.
Does the X-axis motor drive the printhead to it’s center position (so it can tilt forward)?
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.
Has ink spilled on the head tilt gear on its drive train (near left side of the printhead).

Aug 30, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Xerox Phaser 8400 first page blurry


8,009.4x:CAP_FAULT_MP_NO_ CLUTCH_STALL:
  • The media path motor has stalled while moving without the clutch engaged.
33,001.4x - TM_DEV_FAULT_MPT_WIDTH_VALUE_TOO_LOW
  • Tray 1 status:
1. Check the wiring and connectors from the front door to the I/O board.
2. Run the Test Tray 1 Width Sensors.
3. If the test fails replace the front door.
4. Replace the I/O board.

08.055.44:
  • The media path drive module has stalled while engaging the head tilt.
37,008.44:
  • The Preheat preheater is not drawing the expected power from the supply.
Run the Preheat Heater test, check the wiring. If test fails and no apparently problem is evident, replace the preheater.

05,002.42:
  • Problems with the Y-axis. It could be the belt,motor or the drum.
7,008.4x: PM_FAULT_HEADTILT_NOT_ ENGAGED
  • The printhead tilt is not engaged, so it didn't tilt back properly or the printhead is stuck in the tilted position by the tilt lock arms. The process motor gear train getting out of sync can also cause this error.
1. Try rebooting the printer.
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
assembly.
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.

7,010.4x: PM_FAULT_HEADTILT_HOME_ERROR
  • The printhead is stuck in the tilt position by the tilt arms. The process motor gearbox being out of sync can also cause this error.
1. Reboot the printer.
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.

Aug 26, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Fault 37,002.47:338665


From the service manual:

37,002.4x - PEST_FAULT_JSL_HEATER_DISCONNECT
PEST - Left jetstack disconnect.The left jetstack is not drawing the expected power from
the supply.
1. Run the printhead Left Jetstack Heater test.
2. Verify printhead wiring.

Yes, could be faulty printhead, but could be faulty power supply as well.

I have the full service manual available if you need it. Please take a moment to give this solution a rating of fixya. Thanks!


Mar 06, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Can you assist with this error: 070074061130?


This is from the service manual, hope it helps -

7,007.4x: PM_FAULT_HEADTILT_STALL
The process motor stalled while tilting the head.
1. Check the printhead wiring for proper routing.
2. Inspect the printhead tilt and drive gears for ink spills.
3. Run the Tilt Axis Drive test.
4. Check for obstructions or damage to the process
gearbox.
5. Ensure the process gears are correctly aligned and
homed, see page 6-8.
6. Replace the process drive gearbox assembly.

Jun 03, 2008 | Xerox Phaser 8400 Laser Printer

3 Answers

Xerox phaser 8400


The first obvious question is, "Does it have blue ink/wax?" Is it displaying any errors? Have you tried the Xerox support site? They have a fantastic utility that can connect to your printer and diagnose many problems. Here's the URL for the utility: http://www.phasersmart.com/ They also have a wealth of information in their knowledge base. Here's the URL for the support page for the Phaser 8400: http://www.office.xerox.com/printers/color-printers/phaser-8400/sprt-enus.html Did anything happen before the blue quit printing? Have you tried running a cleaning cycle?

Aug 21, 2007 | Xerox Phaser 8400 Laser Printer

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