Tray [3][4][5][6] Feeder Board Clock Frequency Error - Xerox Paser 7400 Service Manual

Tray [3][4][5][6] Feeder Board Clock Frequency Error

The clock frequency on the indicated Feeder Board is inaccurate.
Applicable Status Codes:
Code 933:
Tray 3 Feeder Board CPU clock frequency is inaccurate.
Code 934:
Tray 4 Feeder Board CPU clock frequency is inaccurate.
Code 935: Tray 5 Feeder Board CPU clock frequency is inaccurate.
Code 936: Tray 6 Feeder Board 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
Option Feeder Board
Engine Control Board, PL1.1.4
Troubleshooting Procedure Table
Step Actions and Questions
1 Check the Option Tray connector for
damage.
Is the connector damaged?
2 Check all pins on the OPTIF Harness for
continuity.
Disconnect OPTIF from the Engine Control
Board and Option connector.
Is the harness conductive?
3-86
Wiring and Plug/Jack References
Print Engine Map 3 (see Book 1)
Print Engine Motor Driver Board (6/6) (see Book 1)
Options Map 5 Paper Tray Controller Board
Phaser 7400 Color Printer Options Service Manual
Yes
Replace the
connector.
Replace the Option
Feeder Board. If the
error persists,
replace the Engine
Control Board (see
Book 1).
No
Go to Step 2.
Replace the
OPTIF Harness.