Table 81 Error Code J3: Laser Safety Switch Open Troubleshooting - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

RAP 52 Laser Safety Switch
The Print Cartridge is not in place or is installed incorrectly.
Table 81 Error Code J3: Laser Safety Switch Open Troubleshooting
Step Actions and Questions
1 PRINT CARTRIDGE INSPECTION
1. Open the Top Cover.
2. Remove the Print Cartridge.
3. Inspect the tab on the left side of the Print Cartridge
that actuates the Print Cartridge Switch.
Is the tab on the Print Cartridge intact?
PRINT CARTRIDGE SWITCH ACTUATOR
2
INSPECTION
Press and release the Print Cartridge Switch Actuator.
Does the Print Cartridge Switch Actuator move
smoothly?
3 CONTINUITY CHECKS
1. Switch the printer power OFF.
2. Install the Print Cartridge and leave the Top Cover
open.
3. Remove the Left Side Cover [RRP 1.1,
4. Remove the Print Engine Controller Board Cover
[RRP 8.5,
5. Disconnect P/J21 from the Print Engine Controller
Board.
6. Check for continuity between J21-4 and J21-3 as you
lift and lower the Print Cartridge.
Is there continuity between J21-4 and J21-3
when you lower the cartridge and no continuity
when you lift the cartridge?
4 SUSPECT COMPONENTS
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one
at a time, until you isolate and solve the problem.
Print Cartridge [PL 8.1,
I
CRUM Board Assembly [RRP 3.7,
I
Print Engine Controller Board [RRP 8.5,
I
Wiring and connectors linking the components
I
Phaser 5400 Laser Printer Service Guide
page 310].
page 402]
page 250].
page 281]
page 310]
Yes No
Go to Replace the
Step 2. Print
Cartridge
[PL 8.1,
page
Go to Replace the
Step 3. CRUM
board
[RRP 3.7,
page
Replace the Replace the
Print Engine CRUM
Controller board
board [RRP 3.7,
[RRP 8.5, page
page 310]
and retest. If
problem still
exists, go to
Step 4.
402].
281].
281].
139