Question about Xerox Phaser 8400DP Thermal Printer

2 Answers

I have error 37,002.47

It says call service. The printer was working fine but kept jamming so I shut it off. Now it wont go past that error.

Since my company would rather get rid of it than fix it I am desperate for a solution.

Posted by on

  • Anonymous Jul 29, 2008

    my phaser 8400 says service needed and gives a code 37,002.47. where is the printhead located?

  • wandaejg Mar 24, 2009

    error code 37,002.47:48258

    tried switching outlets, powering up, etc.
    Finally called service-- new print head needed.
    Service call: $150.
    Print head: $860
    Service to replace printhead: $100-150

    If there are any cheaper solutions out there let me know.
    My company wants to replace the printer instead of fixing it.



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37,002.47 The Left Jetstack is drawing less power than expected

There is a heating failure in the print head.
The only way to resolve that is to replace the print head.
On of the heaters that keeps the ink melted has opened.

Posted on Dec 14, 2007

  • Rick Kasper Dec 14, 2007

    Here it is from the tech information



      The Left Jetstack is not drawing the expected power from the supply


    Fixed! Did not fix.

    TRY FIRST (Solutions without parts):
    Verify all printhead cables are seated properly.

    Replace printhead.

  • Rick Kasper Dec 14, 2007



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Hi, the error code you are getting refers to not enough current to power up the printer. I would suggest if you have it on a surge protecter, backups,etc . Disconnect the printer and plug it directly into the wall outlet.

Posted on Dec 03, 2007


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Xerox Phaser fault 37,002,47:18505

37,0XX.xx Errors - PEST Faults
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). The printer may produce any of the
following disconnected heater errors:
■ Printhead jet-stack 37,002.47 or 37,003.48

Error Messages and Codes
■ Reservoir heater, 37,004.40 or 37,005.41
■ Drum heater error 37,006.42
■ Preheater error 37,008.44
■ Ink melters errors 37,009.45 thru 37,013.40
The printer includes several heaters powered by AC. The printer itself can
power up despite insufficient or irregular AC voltage but it may fail its AC
heater tests. This is due the test not measuring sufficient current flowing
through the heater at the moment the test runs.
Devices sharing the printer’s AC circuit shared, such as a laser printer, a
coffee maker, or a space heater, may be placing heavy intermittent demand
on the AC circuit. This sudden inductive demand creates momentary AC
voltage sag that causes the PEST test to fail.
Verify the AC power source prior to troubleshooting these errors. For wiring
diagrams to aid in diagnosing PEST faults, see “Wiring Diagrams” on
page 10-1.
8400/8500/8550/8560 PEST Description
37,001.46: Generic PEST error.
Something went wrong during the PEST process.
37,002.47: PEST Error - Printhead Left jetstack disconnect. The left jetstack is
not drawing the expected power from the supply.

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arrwup.gifInitial Action
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arrwup.gifPrimary Causes The troubleshooting table lists parts and wiring referenced in the troubleshooting procedure

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