Xerox 8500DN Service Manual - Page 366

Reference Step 2 Step 3 Print the Service Usage Profile. It is located in the front panel menu Troubleshooting - Service Tools. Does the printer display an error code indicating a problem with the printhead? YES NO Circle one If Line 631 Printhead ID lists a date, record the date (month day year) here: Printhead ID: 00-09 10-29 30-99 100 If Line 636 IDU lists any values, record the numbers here: IDU: 00-09 10-29 30-99 100 Xerox U.S. personnel please record these dates in the FIST system as well as in this document If YES please write down the error code 3a. If error code 13,264.4x is present in the Fault History replace the electronics module (continue to 3b). 3b. If a printhead thermistor open or shorted error code 13,195.45, 13,197.47, 13,259.46, 13, 261.48, 13,323.47, 13.325.49 is displayed or a PEST error code 37,002.47, 37,003.48, 37,004.40, or 37,005.41, perform the following steps: 3c. Inspect and reseat the printhead interface cable (gray ribbon cable) and retest. 3d. Replace the printhead. The repair is complete! Visually inspect the ink reservoirs. Do they all contain ink? No ink in a reservoir indicates that an ink-level sensor has failed. YES NO Circle one If NO, replace the printhead. The repair is complete! Ink visible in reservoirs Step 5 Has the printer had a printhead replaced before for a (non-NXI related) weak or missing jet problem? YES NO Circle one If YES, replace the wiper assembly. Proceed to Step 9. The new wiper assembly may take 6 purges to before achieving optimal performance. Ensure the wiper assembly is correctly aligned with the printhead. If the missing jet(s) recovers, the repair is complete. A-14 Phaser 8400/8500/8550/8560 Color Printer Service Manual