Question about Xerox Phaser 8400 Laser Printer

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Ireplaced the printhead on a Xerox phaser 8400. I am now getting an error message 04.024.46.40803. i put the pivot block in that came with the origonal head (not working correctly) and have tried it

I have an old unit that worked perfectly except for the Cyan color. Was told that I would need a whold new print head for $800. So I purchased a used machine on ebay that had a good printhead and swaped the printheads myself. now I am getting the error message 04.025.46.40803. I live in a VERY remote part of N. New Mexico, closet repair shops are over 2 hours away therefore the "do it yourself" method!

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  • Xerox Expert
  • 297 Answers

This fault code indicates a problem with the process control system. The machine cannot successfully home the transfix mechanism.

Check for obstructions around the printhead. Look for ink shards in the gears of the tilt drive. Check the printhead wiring harness to make sure it is not blocking the printhead movement (left/right & front/back). Remove the waste ink tray and look for ink build-up.

Check the process drive gears for damage. Ensure the gears are correctly aligned and homed.

Check the nose cone alignment on the X-Axis motor. Is the nose cone aligned with the printhead shaft (left/right movement).

When you removed the square metal block from the printhead shaft on the Left side, did you reinstall it with the "dot" in the same orientation as the diagram above it shows with a check mark?

Posted on Mar 16, 2014

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Posted on Jan 02, 2017

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  • 208 Answers

SOURCE: xerox phaser 8400

Replacing the pring head.
1. Remove the side covers.
2. Remove the ink loader assembly. There are 2 connectors on the ink loader. SO remove it slowly.
3. Remove the spring guides on the print head. One on each side, Held in my one torx screw.
4. Remove the spring bracked assembly on the left side of the printer, it puts pressure on the XY axis motor to position the print head. Just pop it off and position it up and to the left of the bracket.
5. Remove the steel square block on the left bottom side of the frame.
6. Unplug the harness and ribbon cables and then from the back of the printer, remove the print head, be careful not to hit the drum.
Install the print head, the ribbon cables are somewhat difficult to plug back in, Just be patient. and make sure they are conneted firmly. Also when replacing the cables and harness, be sure they are routed corectly so the print head does not get bound on them.
Set the print head into position and install the steel block, then the spring bracket on the XY motor, then the spring brackets in the proper positions. Dont forget to put that spring bracket back on, It is easy to over look.
Make sure all things are plugged in on the print head.
Next reinstall the ink loader, make sure all connectors are connected.
Install the covers and you are done.
Take your time, probably should take about an hour. Just to it carefully and methodically.

Posted on Nov 28, 2007

  • 2072 Answers

SOURCE: clogged print head

What you can try is going onto the Xerox.com site and loading what is call Jet Substitution it will change the ports being used.
That could help.
Load it to your laptop and then run. Sometimes helps.
Unfortunatly that is a very expensive print head.

Posted on Feb 12, 2008

  • 2072 Answers

SOURCE: XEROX 8550 7,010.43 error code

There is a print block located on the left side of the machine looking from the front. It is near the bottom of the machine, Staineless steel, about 1 inch square.
It normally has ink in it and causes the print head to pivot slow.
You have to pull the spring holder up and to the left, remove that block and clean it well. That should resolve your problem.
You want to remove as much excess around the block as you can.

Posted on May 07, 2008

pdouglasss
  • 125 Answers

SOURCE: XEROX 8550 7,010.43 error code

Hi guitargurl:
Your printhead is stuck in the tiltposition,or is not able to tilt forward to the print position, due to another problem with a motor
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.
7,011.44: This is a soft fault, and will not halt the printer.
7,012.45: The drum transfix home sensor is still in a not homed position, after the
return home motion has been completed.
7,014.47: The printhead is not locked in the head tilt restraint spring.
7,015.43: The head tilt restraint spring is out of place.
Troubleshooting Procedure
Step Questions and Actions Yes No
1 1.
Reboot the printer.
2. Did this correct the problem?
Complete. Go to Step 2.
2 1. Do the printhead lock arms rotate correctly? Go to Step 3. Repair/replace
the lock arms.
3 1. 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.
Clean the
printhead area.
Go to Step 4.
4 1. Does the X-axis motor drive the printhead to
it’s center position (so it can tilt forward)?
Go to step 5. Troubleshoot
the X-axis
drive.
5 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 6.
6 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 7.
7 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 8.
8 1. Ensure the wiper is properly aligned.
2. Use service diagnostics to run the Wiper
Drive
Test.
3. Did the test fail?
Replace the exit
module
assembly.
Go to Step 9.
9 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.

Posted on Jan 09, 2009

pineworks
  • 4041 Answers

SOURCE: 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.

Posted on Jan 30, 2010

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1 Answer

Error 07.010.43.69621


The most common thing that causes this issue is the drum maintanance cam and or DM pivot plate. I would check the cam like it discribes and also make sure the pivot plate isnt cracked. But really the service not gives you a list of what all needs to be check.

The Xerox website says to take it in to a service center: http://www.support.xerox.com/SRVS/CGI-BIN/WEBCGI.EXE?St=121,E=0000000002388339860,K=7746,Sxi=4,Case=obj(21655)
And here is a link to the documentation http://www.support.xerox.com/support/phaser-8400/documentation/enus.html

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Error message 07,010.43:24426


The print head is not moving freely.
The print head wiper may be tacked to the print head, or the print head block may be filled with ink causing the print head not to pivot.

Jan 21, 2010 | Xerox Phaser 8400 Laser Printer

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Printer error 07,007.40:80035


Xerox 2424 or 8400 series 07,007.40/49 is a process motor sequence error often caused by the printhead leaking wax on to the pivot shaft and bearing block mounted on the left side of the printhead unit, this stops the printhead tilting. Check for leaking wax around the silver block on the side of the printhead or around the waste tray, if wax gets into the tilt gear at the back of the waste tray slot, this is the error it shows.

Oct 24, 2009 | Xerox WorkCentre C2424DN All-In-One Laser...

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Service message: Fault 37,004,40:50081


Hi abonk:
This is your problem.

37,004.4x - PEST_FAULT_RESERVOIR0_HEATER_DISCONNECT
PEST - Reservoir0 Disconnect Reservoir0 is not drawing the expected power from the
supply.
1. Run the printhead Reservoir Heater test.
2. Verify printhead wiring.

Your preheater needs to be replaced.
Xerox Preheater Part # 119641980
This part will have to be replaced by a certified Xerox technician.
Hope this helps

May 22, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Error in xerox phaser 8400


37,004.40: PEST - Printhead Reservoir 0 disconnect. Reservoir 0 is not drawing
the expected power from the supply.

One of the printhead cables may have come partially unplugged. Also, an ink spill on the circuit board could lead to this problem.

Apr 13, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

Xerox phaser 8400 error


That is a print head tilt error. Either the print head pivot block is contaminated with ink or the wiper blade is tacked to the print head.
Let me know if you want to try to resolve it yourself, I will send you directions.

Feb 17, 2009 | Xerox Phaser 8550DX Laser Printer

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Tektronix Phaser 840 Model Z840 shows error 08 001 44 215264


Check for broken Maintenance Drawer Guides, or the Printhead Cap/Wipe/Purge assembly is defective. (If it is for a Phaser 840)

Dec 05, 2008 | Xerox Phaser 8400 Laser Printer

1 Answer

Hallo


07,009.42 indicates that the printhead was unable to tilt normally on its axis.

You probably have a cracked drum maintenance camshaft. If the drum maintenance pivot plate is white plastic it should be replaced as well with the new style, which is black plastic. This repair requires removing the process drive gears assembly and reinstalling it requires the gears to be timed. This repair should be performed by a qualified technician familiar with these machines.



You probably have a cracked drum maintenance camshaft. The dm camshaft is driven by the process drive motor on the right side of the printer. It raises and lowers the maintenance kit against the drum to oil and clean the drum. The camshaft has 2 lobes on it. These lobes crack over time and cause several different error conditions. The camshaft part # 401100380 is only about $17 from xerox but can be tricky to replace if you're not mechanically inclined. The other thing to look at is the pivot plate assembly. Slide out the drum maintenance kit. If you look inside the cavity the plate that the maintenance kit sits on is called the pivot plate. If it's white it will also need to be replaced with a black one.

Oct 15, 2008 | Xerox Phaser 8400 Laser Printer

2 Answers

Xerox Phaser 8400 getting error -- Service Needed 37,002.47:72864


The technical error message means:
The Printhead Left jetstack heater is not drawing the expected power from the power supply.

Possible solutions:
1) Make sure the AC plug is plugged into the wall and not a UPS or surge protector. Other things such as another printer, coffee maker or other electrical devices on the same circuit could cause a sag in AC demand from the Phaser, causing it to fail it's PEST (Print Engine Self Test).

2) Verify that the wall outlet's circuit is capable of delivering the correct amount of current to the Phaser, if it does, check how many other electrical devices (aka a desklamp, radio, etc.) are on the circuit.

3) If it's out of warranty, reseat the cables from the Printhead to the Electronics Module. If it's in warranty, place a service call on the unit.

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2 Answers

Xerox printer error code (04,025.46)


This is a print head position issue.

TRY FIRST (Solutions without parts):
1. Check that the wipe mechanism has homed. 2. Check the printhead position and verify that it has initialized properly / manually home the printhead and power cycle the printers power and check for the error to return. If not then the error was most likely due to non-process function (something out of sequence).
Part likely to be the cause:
GEARBOX AND MOTOR,PROCESS DRIVE - PL 4.0, Item 14.

Jan 19, 2008 | Xerox Phaser 8400 Laser Printer

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