Xerox PHASER 7500, Service Manual

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3-194 Phaser 7500 Printer Service Manual
Error Messages and Codes
Bitz1 CONTIF Fail/ Bitz2 CONTIF Fail
An irregularity was detected in the Valid signal for Y or M color. The Valid signal,
which is sent from the Controller to indicate the valid range of the fast scan, does
not turn On at the given timing or turns On at an unscheduled timing.
An irregularity was detected in the Valid signal for C or K color. The Valid signal,
which is sent from the Controller to indicate the valid range of the fast scan, does
not turn On at the given timing or turns On at an unscheduled timing.
Applicable Chain-Link Codes
• 061-610 : Bitz1 CONTIF Fail
•
061-611
: Bitz2 CONTIF 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 or debris at the following connectors.
• Between BP PWB J460 and MCU PWB P451
• Between BP PWB J335 and ESS PWB P335
3. If no problems are found, replace the following parts in sequence:
• BP PWB (REP 18.11, page 8-200 )
• MCU PWB (REP 18.12, page 8-202
)
• I/P PWB (REP 35.1, page 8-220 )
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■
BP PWB, PL18.3.2
■
MCU PWB, PL18.3.6
■
I/P Board, PL35.1.1