3-188 Phaser 7500 Printer Service Manual
Error Messages and Codes
LPH PLL Lock Fail K
LPH PLL lock mechanism failure.
Applicable Chain-Link Codes
• 061-389: LPH PLL Lock Fail K
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 (K), PL2.1.2
■ LPH Cable Assy, PL2.2.1
■ LPH Rear PWB (K), PL2.2.5
■ MCU PWB, PL18.3.6
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Check the Fault History.
Check whether 061-357 LPH
Download Fail Y has occurred.
Has error 061-357 occurred?
Go to
“LPH Download
Data Fail K” on
page 3-157
(error code
061-357).
Replace the
following parts
in sequence:
■ LPH Unit (K)
(REP 2.1,
page 8-18)
■ LPH Cable
Assembly
■ LPH Rear
PWB (K)
(REP 2.4,
page 8-22)
■ MCU PWB
(REP 18.12,
page 8-202)