Phaser 7500 Printer Service Manual
3-177
Error Messages and Codes
LPH Act Fail C
Communication error between MCU and LPH (error in the communication IC or
cable).
Applicable Chain-Link Code
•
061-372
: LPH Act Fail C
Initial Actions
•
Power cycle the printer.
•
If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
Wiring and Plug/Jack Map References
■
LPH Unit (C), PL2.1.2
■
LPH Cable Assy, PL2.2.1
■
LPH Rear PWB (C). PL2.2.5
■
MCU PWB, PL18.3.6
Troubleshooting Procedure
Step
Actions and Questions
Yes
No
1
Check the timing at when this error
occurs.
Does this error occur right after the
power is turned On?
Go to step 2.
If the error
occurs when
the Imaging
Unit is
rotating, it is
very likely due
to the noise
caused by high
voltage leak.
Check the
Imaging Unit
(Y, M, C, K) for
improper
installation.
2
Check the Fault History.
Have multiple errors occurred?
Replace the
MCU PWB
(REP 18.12,
Go to step 3.
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: ......