I have replaced the printhead in a phaser 8550 (046K00510) with what I was told was a alternate part (046K00530) printer now throws error 19,004.40 printhead and control module mismatch contact escalated support for info to clear error. I can not get the printer to enter service diagnostics with this printhead installed. Anyone with info on cleaing this error.
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Re: phaser 8550 error 19,004.40
The printhead was installed in another machine and the codes do not match. You need to manually sync them. Here is the procedure:
Manually synchronize the Printhead and Electronics Module codes.
NOTE: The Printhead and Electronics Module codes should synchronize automatically when a new printhead is installed. If a 19,004.40 error occurs, it is possible that the replacement printhead was previously installed in a different printer. After manually synchronizing the Printhead and Electronics Module codes, be sure to test the new printhead for print quality defects.
To manually synchronize the codes; 1). Power OFF the printer.
2). Disconnect the printer from external devices (A/C power can remain connected).
3). Locate the "Factory Only" port on the electronics module (located between the PS and PE lights (Figure 1).
4). Use a Hard Disk Drive (HDD) jumper (Figure 2) to short the top two pins.
NOTE - If a HDD jumper is not available, use another conductive item, such as a screwdriver, to short the pins. Use caution to avoid contacting the surrounding frame, as this may permanently damage the Electronics Module.
5). With pins shorted, power ON the printer.
6). When printer reaches the mechanical initialization stage of the power on sequence, power the machine back OFF.
7). Remove the HDD jumper.
8). Code should now be synchronized. Power ON machine and verify the 19,004.40 error does not re-occur.
NOTE - If error persists after this procedure, attempt the procedure again, and be sure to allow the printer to complete its BIST and POST test before powering OFF in step 6.
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www.support.xerox.com/support/phaser-8500-8550/.../enus.html XeroxProduct support for Phaser 8500/8550. ... Phaser 8500/8550 Support & Drivers. Customer Technical Support. Fast Track to the Expert > 1-800-835-6100 U.S. & ...
19.003:48 is the error code 21274 is the number of pages the unit has printed. the error indicates a power difference of +- 20% when trying to drive the printhead. The issue is the Electronics Module (System logic and power) or the Wave Amplifier (Printhead Controller). Both of the parts are fairly easy to replace. If it is the wave amp it is a somewhat affordable part.if it is the EM you should replace the printer. It isn't worth the fix.
This is a PEST (Print Engine Self Test) error = Printhead Left jetstack disconnect. The Left Jetstack is not drawing the expected power from the power supply.
Devices sharing the printer's AC outlet or circuit, such as another printer, coffee maker, space heater, may be placing intermittent demand on the AC circuit. This sudden demand creates a momentary AC voltage sag that causes the PEST test to fail. Verify the AC power source prior to replacing any parts for this error. Xerox recommends this printer be plugged directly into the wall outlet and not into a surge protector, battery backup or multi-outlet strip.
If none of these conditions exist, then the printhead is bad and will need replaced.
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.
Here is your problem.
37,006.42: PEST - Drum disconnect. The drum heater is not drawing the expected power from the supply.
Step Questions and Actions Yes No
1 1. Run the appropriate diagnostic test:
37,002.47 = Left Jetstack Heater
37,003.48 = Right Jetstack Heater
37,004.40, 37,005.41 = Reservoir Heaters
37,006.42 = Drum Heater
37,008.44 = Preheat Heater
37,009.45 = (8500/8550) All ink melters
= (8400) Ink Melt 1
37,010.46 = (8500/8550) Ink Melt 1
= (8400) Ink Melt 2
37,011.47 = (8500/8550)Ink Melt 2
= (8400) Ink Melt 3
37,012.48 = (8500/8550)Ink Melt 3
= (8400) Ink Melt 4
37,013.48 = (8500/8550)Ink Melt 4
2. Did the test pass?
Go to Step 3. Go to Step 2.
2 1. Check the wiring running from the component to the printhead.
2. Is the wiring damaged or not working properly?
Replace the wiring harness.
Replace in the following order:
■ Drum assembly
■ Ink loader
The error indicates something blocking the cap wipe assembly from going up and down.
Did you shut off the machine while it was warming up, or purging it self? If you did the printhead is probably stuck to the cap wipe assembly and need to be separated (gently) so that the cap wipe can move up and down.
The blurry prints are from oil on the encoder wheel, clean the encoder wheel and you will be fine.
If you go to the Xerox.com site and click support and drivers. enter phaser 8550 and there is a printhead update you need to get, You have to fill out a form.
That may be your problem since there is no fault code.