Xerox PHASER 7500 Service Manual

Phaser 7500 Printer Service Manual 3-71
Error Messages and Codes
Heat Roll NC Sensor Disconnection Fail
When the temperature monitor value of the Rear Control Thermistor is higher than
20°C, or when the open circuit AD value of the Rear Control Thermistor is higher
then 900, as well as when the compensation AD value or the detection AD value of
the Center Control Temperature Sensor is higher than 1020 10 or more times in a
row. (use the obtained compensation/ detection AD value instead of the
temperature monitor value (average of 4 times)
Applicable Chain-Link Code
• 010-332: Heat Roll NC Sensor Disconnection Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Check the Fuser Assembly for improper installation.
2. Check the Drawer Connector between the Fuser Assembly and the Main Unit
(DP/DJ600) for broken/ bent pins, debris, burns, and etc.
3. Check the connection between the Fuser Assembly DJ600 and the MCU PWB
J431 for open circuit, short circuit, and poor contact.
4. If no problems are found, replace the following parts in sequence:
•Fuser Assembly (REP 7.1, page 8-67)
• MCU PWB (REP 18.12, page 8-202)
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Fuser Assy, PL7.1.1
■ MCU PWB, PL18.3.6

Xerox PHASER 7500 Specifications

General

Brand	Xerox
Model	PHASER 7500
Category	Printer
Language	English