Xerox Phaser 7100

Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-372
124-310/ 124-311
Product Number or Serial Number error has occurred due to one of the following problems.
• The Product Number that is stored in 3 locations are not initialized.
• The Serial Number that is stored in 3 locations are not initialized.
Applicable Fault Codes
• 124-310: Product No. Fail (contents corrupted, the Controller PWB was replaced)
• 124-311: Serial No. Fail (contents corrupted, the Controller PWB was replaced)
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure
.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• MCU PWB, PL 12.1.15
• Image Processor PWB, PL 12.4.1
Troubleshooting Procedure
Step Actions and Questions
1. Replace the MCU PWB (REP 12.4 MCU PWB on page 4-206).
2. If the problem persists, replace the I/P PWB (REP 12.17 Image Processor (I/P) PWB on page 4-228).