Question about Xerox Phaser 8400 Laser Printer

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Phaser 8400 error code 37,016,43:7052

Phaser 8400 got unplug during the night and now I get error code 37,016,43:7052

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  • sgolsen7 Mar 10, 2009

    Thank you very much. I might take you up on the manual



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From the service manual:

PEST - Head maintenance clutch disconnect. The head maintenance clutch is not
drawing the expected power from the supply.
1. Run the Head Maintenance Clutch test.
2. Check the Head Maintenance Clutch wiring.
3. Disconnect the Wave Amp signal cable from the left
side of the Electronics Module. If the error code
changes, replace the Wave Amp.
4. Replace the head maintenance clutch.

I have the full service manual available should you need it. Thanks and please take a moment to rate this solution as fixya.

Posted on Mar 10, 2009


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Posted on Jan 02, 2017


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Error code 13.387.48:106521 Phaser 8400 Print Count 110,000 Can this be Fixed

It can be fixed, but only by a Xerox authorised service centre. Xerox website tells you to turn it off and book it in for a service. Be prepared to pay a call out fee before hand. Here's the reference link for your error from Xerox website.

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Xerox Phaser 8400 error

When you power on the unit it goes through a series of tests to determine that the correct voltage is going to each system within the phaser. The error code you've provided implies a Preheater error 37,008.44
AC power supplied by power sources such as uninterruptible power supplies (UPSs) or DC-to-AC inverter systems may not supply correct voltage to properly power up the printer. Likewise, other devices sharing the same AC circuit can cause AC voltage sags that cause the printer to fail its AC heater PEST tests (Print Engine Self Test).
My first suggestion is to remove any other devices from the electrical outlet the printer is on, and then power it on.
If the error persists, you've got a hardware failure internally and would need to replace the preheater and deskkew assembley, Xerox PN 119641980
By the way, the last 4 digits in your error code are the current page count of your printer. This number is relatively low and thus it begs the question is the printer still under warranty? The part in question is about $110, however installing it will not be an easy task if you've never taken a Phaser 8400 apart or you do not have a service manual.
My suggestion, if the machine is out of warranty, is that you bring it to a qualified repair technician for service, unless you feel comfortable doing the repair yourself.
best of luck in any regard

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Printer Phaser 8400 : error 07,010.43:116034

If your printer is networked, if can fix its self by accessing this site

May 18, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

What is error code 07,010.43:32309

The print head is not moving freely.
There is s print head block that may be filled up with runoff ink, or the print head wiper blade may be tacked to the print head.

Apr 16, 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.

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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.

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Phaser 8400 error code

That is related to the print head heating. Normally one of the print head heaters fails which requires replacement of the print head. The other item I have seen fail and cause that code is the electronics module. Both are very expensive.

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Xerox phaser 8400 error code

That code is a jet heater code.The most likely problem is a bad print head, the second most likely bad item is the electronics module that supplies the 40-50 volt source to the print head heater.

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Xerox phaser 8400 fault

I have the same problem. Xerox says they need to send someone out and can not tell me what this code means.

Prior to the error I have having light streaking on the page. Took everything apart and cleaned and it worked OK for 2 days then returned to streaks.

If anyone knows what to look for please offer assistance.

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