Xerox 8500DN Service Manual - Page 100

Error Messages and Codes 19,0XX.xx Errors - Printhead Calibration faults. 19,001.46: HFD server failed due to NVRAM operation. This fault only occurs when the printer is set in manufacturing mode. Program fault. 19,002.47: Attempted to perform a Printhead operation without the Printhead NVRAM data being loaded. 19,003.48: Scale and offset error is too large. The voltages measured have more than a 20% error from their expected values. Something is wrong with the Electronics Module or the Wave Amplifier. 19,004.40: The Printhead and the Electronics Module do not match. Contact escalated Service Support Representative for information to clear fault. 19,005.41: A posssible static discharge from the Pick Clutch to the Electronics Module.Characterized by: ■ 19,005.41 error code displayed on the Control Panel ■ Printer hangs while printing with the Electronics Module Fan on full ■ Low humidity ■ Occasional Jam Behind the Front Cover messages, usually accompanied by error 19,005.41 in Fault History To prevent these discharges, a Grounding Clip (P/N 650442700) was added between the Y-Axis Motor mount and the Pick Clutch. Check that this clip is installed and contacts the metallic portion of the Pick Clutch. s8560-270 Note The Grounding Clip is factory installed in later versions of 8500/8550 models and in all 8560 models. 3-32 Phaser 8400/8500/8550/8560 Color Printer Service Manual