Question about Xerox Phaser 8500/DN Printer

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Fault code My xerox 8500 phaser is giving me a Fault code 37, 016.4322062

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Fault code - arrwup.gifDescription An error has occurred related to the Electronics Module 50 V Power Supply. The clutches operate at 50 V. The Head Maintenance, Deskew, and Pick clutches are drawing too much power indicating a short in the supply or one of the components connected to it.

Posted on Mar 13, 2008

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  • Rick Kasper Mar 13, 2008

    Primary Causes

    The troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.

    Table 1. 37,016.43 Troubleshooting Reference Table

    Applicable Parts

    Wiring and Plug/Jack References

    Electronics Module, PL 4.0

    Left Side Harness (1/2), Figure 4

  • Rick Kasper Mar 13, 2008

    Damage to circuits within the Electronics Module may occur if the power supply capacitors are not allowed to fully discharge.

    Table 2. PEST 50 V Supply Fault 37,016.43 Troubleshooting Procedure


    Questions or Actions




    Check for a short in the Electronics Module.

    Measure the 50 V power supply output. The test point is located on the power control board below the main board RAM DIMMs.

    Is there 50 V across the TP and ground?

    Go to Step 2.

    Go to Step 2.


    Shutdown the system and wait 30 seconds for the capacitors to discharge.

    Unplug all connections to the Electronics Module.

    Turn the system On.

    Do the PE and PS indicators (near the Power Switch) flash momentarily?

    Go to Step 3.

    Replace the Electronics Module ( REP 5.0.5).


    Shutdown the system and wait 30 seconds for the capacitors to discharge.

    Connect I/O Board connector ( P/J840).

    Turn the system On.

    Do the PE and PS indicators (near the Power Switch) flash momentarily?

    Go to Step 4.

    Go to Step 5.


    Check the 50 V Supply LED.

    If the 50V LED ( Figure 2) illuminates, the short is on one of the external devices unplugged earlier. In this case, systematically turn off the printer, plug a wiring harness back in, and turn the printer on until the 50V LED fails to illuminate.

    Was the defective part isolated?

    Replace the defective part.

    Go to Step 5.


    Shutdown the system and wait 30 seconds for the capacitors to discharge.

    Disconnect all connections to the I/O Board.

    Test the resistance of the I/O Board across pin 1 of J270 and ground.

    Pin 1 is on the left end of the jack.

    Is the resistance still less than 1K ohm?

    Replace the I/O Board ( REP 5.0.13).

    Go to Step 6.


    Reconnect connections on the I/O Board until you find one that creates a short at J270-1.

    Does a short appear at J270-1?

    Replace the affected component.

    Go to Step 7.


    Reconnect the Wave Amplifier.

    Turn the system On.

    Does the error persist?

    Go to Step 8.

    Leave power on to ensure the problem is fixed.


    Reconnect the Printhead.

    Turn the system On.

    Does the error persist?

    Replace the Electronics Module ( REP 5.0.5).

    Leave power on to ensure the problem is fixed.

  • Rick Kasper Mar 13, 2008

    I have seen this issue before and I had to replace the electronics module



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Xerox phaser 8500 error code 09, 038, 46:4597

Ink count sensor flags are stuck after melting 2.5 ink sticks. The following codes are recorded: 9,03x.41, where x= 5 for cyan, 6 for magenta, 7 for yellow, and 8 for black. (Your error indicates black ink loader failure)

Features on the bottom of genuine Xerox ink sticks actuate the Ink Out Sensor located at the forward end of each ink channel of the Ink Loader. The sensor indicates the passage of ink to provide a count of ink consumption.

Damaged or non-genuine ink sticks may not reliably actuate the sensors. This can lead to false Ink Out messages as well as Ink Stick count faults. Using 8400 model ink in a 8500/8550/8560 models will also cause 9,03x.4x ink stick count faults.
Ink Loader will need replaced and then diagnostics entered to run "Clear ISC Fault" test to clear the error.


Aug 11, 2013 | Xerox Phaser 8500/DN Printer

1 Answer

:I have a Xerox Phaser 8500 with the following error: 13.323.47:31989. Any ideas what this is?

This fault code is saying that the printhead reservoir thermistor circuit is open. Unfortunately, only a printhead replacement will solve this problem.

Jan 09, 2011 | Xerox Phaser 8500N Printer

1 Answer

Does anyone know fault code 37,018,45: 13830 for Xerox phaser (Service needed)?

This is from the service manual

8500/8550/8560 PEST description
37,018.45: Main Tray Deskew Clutch
The Main Tray Deskew
Clutch is not drawing the expected

Aug 07, 2010 | Xerox Phaser 8560MFP Laser Printer

1 Answer

Error code 37,016.43 Xerox Phaser 8500 Printer Problem I get this error when I power up. Printer won't do anything. What can I do to fix it?

This is an internal power supply error. The 50 Volt supply has a fault, or there could be a short on the supply rail.
There could be an error in the Head Maintenance, Deskew, or pick clutches.

I think you will need a qualified technician to fix this.

May 25, 2010 | Xerox Phaser 8500/DN Printer

3 Answers

Hi i have phaser 8560, it gives me a error 09,038,46:62248, plese who can solve me the problem.

Hi there
The onlty thing I can find close to this is.
Acording to the manual its a ink loader error like your loading the wrong type of ink like the puzzles pieces arent matching and hitting the sensor flags right. Yours by the 8 is referring to the black ink. Anyway go to troubleshooting on the control panel. then to service tools. when in service tools press and hold the up arrow while still pressing the up arrow press the down arrow. the display should say hidden menus. go to diagnostic mode press enter go to funtion menu. then go to clear ISC fault and enter. ISC=ink stick count fault. I hope that helps. Just to let you know Ive had nothing but problems with third party ink and once its in the system its hard to get out so I would watch what im doing with my expensive equipment

Feb 18, 2010 | Xerox Phaser 8500/DN Printer

1 Answer

Xerox Phaser 8500 Fault 34,001.43:3113

34,001.43: An error occurred while attempting read/write access to the
Printhead calibration partition in NVRAM. The Printhead cable may be
unplugged. If you have checked all the cables and nothing is ripped then you might have to change the print head.
Part# 046K00530 You can call this company on my directory they even give you the instructions how to do it yourself. They can give you free technical support. Hope this helps.

Nov 19, 2009 | Xerox Phaser 8500/DN Printer

1 Answer

Fault 37,016.43:9533

You've got some physical problem inside the printer.


If your printer is networked, it can actually communicate with our support knowledge base directly, and troubleshoot itself.

Sep 10, 2009 | Xerox Phaser 8500/DN Printer

1 Answer

Error code 19,003.48:75856

That is a print head calabration fault. 99 percent chance the print head has failed. That would require replacing hte print head.
That is a common problem on the 8500. Look for a dealer in your area if you want to repair is. Xerox will charge over $200 to show up and $750 for the print head.

Jan 29, 2009 | Xerox Phaser 8500/DN Printer

1 Answer

Error code 09,038,46:21303

When you service a Phaser 8500 or 8550 printer for:
· a persistent Ink Out message
· 9,035.43 Cyan Ink Stick Count Fault
· 9,036.44 Magenta Ink Stick Count Fault
· 9,037.45 Yellow Ink Stick Count Fault
· 9,038.46 Black Ink Stick Count Fault
Test the Ink Out Sensors for proper operation.
Inspect the Ink Sticks.

Apr 09, 2008 | Xerox Phaser 8500/DN Printer

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