3-268 Phaser 7500 Printer Service Manual
Error Messages and Codes
ADC Sensor Fail
The ADC Sensor read value of the density reference patch is abnormal.
Applicable Chain-Link Code
• 092-651: ADC Sensor Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Check the connection between the ADC Sensor (MOB ADC Assembly) J153
and the MCU PWB J415 for open circuit, short circuit, and poor contact.
2. Check whether there is poor connection or debris at the detection section of
the ADC Sensor.
3. If no problems are found, replace the following parts in sequence:
• MOB ADC Assembly (REP 18.3, page 8-189)
• IBT Belt Unit (REP 6.2, page 8-58)
• MCU PWB (REP 18.12, page 8-202)
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ IBT Belt Unit, PL6.1.10
■ MOB ADC Assy, PL18.1.4
■ MCU PWB, PL18.3.6
To Next Page
Loading...
