3-106
Phaser 7500 Printer Service Manual
Error Messages and Codes
Serial I/O Fail
The Serial I/O control clock is not input into the Motor Drive PWB.
Applicable Chain-Link Code
•
041-347
: Serial I/O Fail
Initial Actions
•
Power cycle the printer.
•
If the problem persists, follow the procedure below.
1. Turn the power Off and On.
2. Check whether there is poor connection of the connectors between the Motor
Drive PWB and the MCU PWB.
3. If no problems are found, replace the following parts in sequence:
•
Motor Drive PWB (REP 18.13,
•
MCU PWB (REP 18.12,
)
Troubleshooting Reference
Applicable Parts
Wiring and Plug/Jack Map References
■
MCU PWB, PL18.3.6
■
Motor Drive PWB, PL18.3.7
Summary of Contents for PHASER 7500
Page 1: ...Phaser 7500 Color Printer Phaser 7500 Service Manual Xerox Internal Use Only ...
Page 2: ......
Page 60: ...1 30 Phaser 7500 Printer Service Manual General Information ...
Page 448: ...3 310 Phaser 7500 Printer Service Manual Error Messages and Codes ...
Page 484: ...4 36 Phaser 7500 Printer Service Manual General Troubleshooting ...
Page 544: ...5 60 Phaser 7500 Printer Service Manual Print Quality Troubleshooting ...
Page 545: ...6 Chapter Adjustments and Calibrations In this chapter Adjustments Calibrations ...
Page 554: ...6 10 Phaser 7500 Printer Service Manual Adjustments and Calibrations ...
Page 562: ...7 8 Phaser 7500 Printer Service Manual Cleaning and Maintenance ...
Page 900: ...9 118 Phaser 7500 Printer Service Manual Parts List ...
Page 958: ...10 58 Phaser 7500 Printer Service Manual Plug Jack and Wiring Diagrams ...
Page 980: ...11 22 Phaser 7500 Printer Service Manual Reference ...
Page 990: ...I 10 Phaser 7500 Printer Service Manual Index ...
Page 991: ......