Question about Xerox Phaser 8400 Laser Printer

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

I am getting error code "37,002.47:72864" on my Phaser 8400 and can not get it to clear nor can I find what this error means? Any one know what it means and how to clear it?

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  • ack42fl Jun 10, 2008

    OK, I tried and checked the first two items on this list. Neither helped. On Solution 3, I removed the two side covers and reseated the cables I found there, but do not know if any of them were the Printhead cable? Can you help me determine which cable I need to reseat and where it is?



    I appreciate your help!

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2 Answers

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  • 2,072 Answers

1 of two issues normally with that code. Either the print head has failed. Which is the most common problem,
2. The electronics module has lost the source voltage that runs those heaters.
3. As stated above the cable is loose.Both the print head and electronics module are quite expensive.

Posted on Jul 23, 2008

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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.

Posted on Jun 09, 2008

  • Joe Shuler
    Joe Shuler Jun 13, 2008

    the cable from the print head to the electronics module is a grey ribbon cable. reseat the cable from both ends

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2 Suggested Answers

Joed911
  • 4338 Answers

SOURCE: i have xerox phaser 8400 : when i turn it on it


Service Manual says:
37,020.47 = (8400) Strip Solenoid
37,020.47: Strip Solenoid disconnect.
The strip solenoid is not drawing the
expected power.

The Solenoid (relay) may be bad, or the power to it is low.


The Stripper Solenoid positions the stripper blade. The solenoid mounts on the Upper Inner Duplex guide and activates the strip solenoid lever, which in turn rotates the Stripper Carriage
until it hits the transfix ground pins. This action causes the stripper blade to drop onto the deadband of the Drum.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe

Posted on Jun 20, 2011

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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1 Answer

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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What is the Xerox Phaser 8400 printer error code 07.010.43:43923? Much appreciated. Thank you.


Try this:

The printer has encountered an error state without the benefit of a code. Turn the printer off for 30 seconds, then power back on.
If the Printer Error message returns, press the i button on the printer's front panel. The actual error or fault number should be displayed. Note the error or message and search the knowledge base for the error.

Also:

Based on the problem description provided, we have determined that your printer needs service.
Please turn your printer off and use one of the methods below to make arrangements for service:
If using the local service provider website, please perform the following steps:

  1. Enter your zip code in the space provided.

  2. Choose a mileage distance. The search will locate a Service Provider within the specified range if available.

  3. Click Go. The web site will return a list of Authorized Service Providers (ASP) with their company name, address, phone number, and fax number.

Feb 12, 2011 | Xerox Phaser 8400 Laser Printer

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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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1 Answer

Xerox Phaser 8400 Fault 37,008.44:9490


this is a Preheater error 37,008.44 I will put the link below so you can see how to fix it the repair for that error is on page 105
https://www.office.xerox.com/partners/products/Phaser8400/SQRG/8400_85XX_Service_Manual.pdf

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What is error code 07,010.43:32309


The print head is not moving freely.
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From the service manual:

37,016.4x - PEST_FAULT_HM_CLUTCH_DISCONNECT
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.

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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.
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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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Vpp measurement too low.

The printhead power cable may be disconnected.

Xerox All error booklet download LINK

Please rate as Thankyou

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