Question about Xerox Phaser 8500/DN Printer

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Phaser 8550 error 19,004.40

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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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.





Posted on Jul 23, 2008

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Here is your problem.
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Troubleshooting Procedure
Step Questions and Actions Yes No
1 1.
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37,013.48
= (8500/8550)Ink Melt 4
2.
Did the test pass?
Go to Step 3. Go to Step 2.
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