Xerox Phaser 6128MFP - Engine Test Print

4-62 Phaser 6128MFP Service Manual
General Troubleshooting
Engine Test Print
The Pattern IOT test print isolates printer hardware problems to either the MCU or
Image Processor Board.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Image Processor Board, PL10.6.6
■ MCU Board, PL10.7.7
“System Control” on page 10-22
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Print the Pattern IOT test print from
Service Diagnostics .
Did the test pattern print?
Replace the
Image
Processor
Board
(page 8-41).
Replace the
MCU Board
(page 8-57).
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