Atc Amplitude Fail (C)/ Atc Average Fail (C) - Xerox Phaser 7500 Service Manual

ATC Amplitude Fail (C)/ ATC Average Fail (C)

Phaser 7500 Printer Service Manual
The difference between the maximum and minimum values in the ATC Sensor (C)
measurement set is lower than the threshold value.
The average measured value of ATC Sensor (C) is out of the appropriate range.
Applicable Chain-Link Codes
• 092-659: ATC Amplitude Fail [C]
• 092-667: ATC Average Fail [C]
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
ATC PWB, PL5.2.18
■
Developer Kit (K/C/M/Y),
■
PL5.2.20-23
MCU PWB, PL18.3.6
■
Motor Drive PWB, PL18.3.7
■
1. Perform the following steps:
• Check the connection between the ATC Sensor (C) and the ATC PWB J126
for open circuit, short circuit, and poor contact.
• Check connection between the ATC PWB J633 and the Motor Drive PWB
J522 for open circuit, short circuit, and poor contact.
• Perform the Dispenser Motors test in Diagnostics.
• Perform the Developer Motors test in Diagnostics.
• Check the path from Toner Cartridge (C) to Developer (C) for toner
blockage.
• Check the Developer (C) for internal toner blockage.
• Check the Toner Cartridge (C) for internal toner blockage.
2. If no problems are found, replace the following parts in sequence:
• Developer Kit (C) (PL5.2.21)
• ATC PWB (REP 5.6,
• Motor Drive PWB (REP 18.13,
• MCU PWB (REP 18.12,
Wiring and Plug/Jack Map References
page 8-52)
page 8-204)
page 8-202)
Error Messages and Codes
3-271