Xerox 5400N - Phaser B/W Laser Printer, Service Quick Reference Manual

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Phaser 5400 Laser Printer Service Guide 157
RAP 60 Electrical Noise
.
Table 90 Electrical Noise Troubleshooting Procedure
Step Actions and Questions Yes No
1
PROCEDURE
1. Check to see if there is other electrical equipment,
such as electrical generators, radio transmitters, or
devices using electrical motors, within ten feet of the
printer.
2. Shut off the other electrical equipment, or relocate the
printer at least twenty feet away from other devices.
Is the electrical noise problem still present?
Go to
Step 2. Problem
solved.
2 AC POWER
Check the AC wall outlet and power cord [RAP 38,
page 110 ].
Is the wall outlet correctly wired and is the power
cord in good condition (not damaged in any
way)?
Go to
Step 3. Inform the
customer of
insufficient
voltage
supply or
improper
wiring.
3
RIGHT PRINT CARTRIDGE GUIDE ASSEMBLY
INSPECTION
1. Open the Top Cover and remove the Print Cartridge.
2. Inspect all contacts on the Right Print Cartridge Guide
Assembly and the terminals on the Print Cartridge.
Are the terminals in good condition and
contacting properly when the cartridge is
installed?
Go to
Step 4. Replace the
Right Print
Cartridge
Guide
Assembly
[RRP 7.2,
page 299 ] or
the Print
Cartridge
[PL 8.1,
page 402 ].
4 POWER SWITCH GROUNDING
1. Remove the Lower Rear Cover [RRP 1.7, page 256 ].
2. Inspect the grounding screw for the cable connected
to the printer power switch.
Is the cable grounded properly?
Go to
Step 5. Secure the
grounding
screw
properly.
5 PRINT CARTRIDGE REPLACEMENT
Replace the Print Cartridge [PL 8.1, page 402 ].
Is the electrical noise problem still present?
Go to
Step 6. Problem
solved.
6 “YES” FROM STEP 5 ABOVE
1. Remove the Print Cartridge.
2. Remove the Right Print Cartridge guide Assembly
[RRP 7.2, page 299 ].
3. Inspect the Seal Guide on the rear end of the Right
Print Cartridge Guide Assembly.
Is the Seal Guide intact, free of contamination,
obstructions and deformities?
Go to
Step 7. Clean the
Seal Guide
or replace
the Right
Print
Cartridge
Guide
Assembly
[RRP 7.2,
page 299 ].