Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures
6-25
6.2.13 Incorrect Paper Size: Fault code CX
The size of paper loaded in the MBF does not agree with the size data stored in ROM.
NOTES:
1. Without the diagnostic tool, skip the Diagnostic Tool test (DG) portion of steps 3 and 5 and
go to Section 3.8
Registration sensor assembly failure
before replacing the MCU.
2. The control panel message may be "LOAD ,Paper Size"
3. This FIP may also fix a bad sensor or cassette
4. Try another tray and cassette first.
1. INITIAL ANALYSIS
Inspect the following components. Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
Feeder PWB Feeder PWB AUX
Size Spring MCU PWB
Registration Sensor Paper Cassettes
Feeder Assembly LVPS Assembly
Inlet Chute Assembly Optional Feeder Assembly
Harness Assembly Harness Assembly Tray 1
Inspect the printer paper path. Is it clear of foreign matter, such as staples, paper clips, and
paper scraps?
Yes No
Go to Step 2 Replace the problem components.
2.
ROM DATA ANALYSIS
Does the parameter for Configuration Code A represent the paper size used in the Front
Tray Assembly?
Yes No
Go to Step 3. Correct the Parameter.