Xerox PHASER 7500 - RC Sample Block Fail-A1-In; RC Sample Block Fail-A1-Out

Phaser 7500 Printer Service Manual 3-223
Error Messages and Codes
RC Sample Block Fail-A1-In/ RC Sample Block Fail-A1-Out
During the A1 (fine adjustment pattern) and C patch detection, the patch at the
MOB Sensor In side did not satisfy the defined number of valid sample blocks.
During the A1 (fine adjustment pattern) and C patch detection, the patch at the
MOB Sensor Out side did not satisfy the defined number of valid sample blocks.
Applicable Chain-Link Codes
• 089-601: RC Sample Block Fail-A1-IN
• 089-603: RC Sample Block Fail-A1-OUT
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Note
When multiple failures with Chain No. 089 occur, take action according to the
priority order.
1. Check the detection section of the MOB Sensor for contamination, the
connectors for disconnection, and the connections for open circuit, short
circuit, and poor contact.
2. If no problems are found, replace the MOB ADC Assembly (REP 18.3,
page 8-189).
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ MOB ADC Assy, PL18.1.4