Xerox PHASER 7500 - LPH PLL Lock Fail M

3-186 Phaser 7500 Printer Service Manual
Error Messages and Codes
LPH PLL Lock Fail M
LPH PLL lock mechanism failure.
Applicable Chain-Link Code
• 061-387: LPH PLL Lock Fail M
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 (M), PL2.1.2
■ LPH Cable Assy, PL2.2.1
■ LPH Rear PWB (M), PL2.2.5
■ MCU PWB, PL18.3.6
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Check the Fault History.
Check whether 061-355 LPH
Download Fail Y has occurred.
Has error 061-355 occurred?
Go to
“LPH Download
Data Fail M” on
page 3-153
(error code
061-355).
Replace the
following parts
in sequence:
■ LPH Unit (M)
(REP 2.1,
page 8-18)
■ LPH Cable
Assembly
■ LPH Rear
PWB (M)
(REP 2.4,
page 8-22)
■ MCU PWB
(REP 18.12,
page 8-202)