Phaser 7500 Printer Service Manual
3-191
Error Messages and Codes
LPH Latch Timing Fail C/ LPH FFC Connect Fail C
LPH latch timing correction error.
The FFC connector is detected to have poor contact during LPH latch timing
control.
Note
Because this error is detected for each color at every cycle-up, perform at least
four jobs after turning the power Off and On.
Applicable Chain-Link Codes
•
061-392
: LPH FFC Connect Posi Fail C
•
061-396
: LPH FFC Connect Nega Fail C
Initial Actions
•
Power cycle the printer.
•
If the problem persists, follow the procedure below.
1. Turn the power Off and On.
2. Check the following:
•
The Flat Cable between the MCU PWB J555 and the LPH Rear PWB (C)
J559 for open circuit, short circuit, and poor contact.
•
The Flat Cable between the LPH H PWB (C) J567 and the LPH (C) J575 for
open circuit, short circuit, and poor contact (connection within the LPH
Unit).
•
The connector (P/J579) between the LPH Rear PWB (C) and the LPH H
PWB (C) for damage and debris.
•
The LPH Unit (C) for improper installation.
3. If no problems are found, replace the following parts in sequence:
•
LPH Unit (C) (REP 2.1,
)
•
LPH Cable Assembly
•
LPH Rear PWB (C) (REP 2.4,
•
MCU PWB (REP 18.12,
)
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
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: ......