3-172 Phaser 7400 Color Printer Service Manual
Finisher Inverter Clock Frequency Error
The clock frequency for the Inverter Control Board CPU is inaccurate.
Applicable Status Code:
Code 932: The Inverter’s CPU clock frequency is inaccurate.
Initial Actions:
■ Cycle the printer's power.
■ If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Inverter Control Board
■ Engine Control Board, PL1.1.4
■ Print Engine Map 3 (page 10-6)
■ Print Engine Motor Driver Board (6/6) (page 10-36)
■ Options Map 3 Inverter Controller Board
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the Option connection.
Is the Option connection from the Inverter
to the Printer damaged or disconnected?
Reconnect or
replace the cable.
Go to Step 2.
2
Check all pins on the Option Harness for
continuity.
Disconnect OPTIF from the Engine Control
Board and the Option connector.
Is the harness conductive?
Go to Step 3. Replace the
Option harness.
3
Check the Inverter Control Board POWER
connection.
Is POWER disconnected or damaged?
Replace or
reconnect the
harness.
Replace the
Inverter Control
Board. If the error
persists, replace
the Engine Control
Board
(
page 8-112).