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

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Phaser 5400 Laser Printer Service Guide 153
RAP 59 HVPS Assembly
.
Table 89 HVPS Assembly Troubleshooting Procedure
Step Actions and Questions Yes No
1
PRINT CARTRIDGE RIGHT 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 contacts and terminals in good condition
and contacting properly when the cartridge is
installed?
Go to
Step 2. Replace the
Right Print
Cartridge
Guide
Assembly
[RRP 7.2,
page 299 ] or
the Print
Cartridge
[PL 8.1,
page 402 ].
2 SEAL GUIDE INSPECTION
Inspect the Seal Guide on the rear end of the Right Print
Cartridge Guide Assembly.
Is the Seal Guide intact, free of contamination,
deformation or damage?
Go to
Step 3. Replace the
Right Print
Cartridge
Guide
Assembly
[RRP 7.2,
page 299 ].
3 CHARGE ROLLER AC TEST
1. Enter Diagnostics mode.
2. From the Main Menu, select Component Test / Charge
Roll AC.
3. Cheat the Top Cover Interlock switch.
4. Measure the AC voltage between the Right Side
Guide Charge Terminal (connector nearest the front of
the machine) and frame ground.
Warning: The next step will result in very high
voltage being placed on an exposed
contact. Use all standard high-voltage
safety practices and avoid getting in
close proximity of the contact or meter
probe.
5. Press [4] to read, [0] to stop.
Does the voltage read approximately
1125 ±25 VAC?
Go to
Step 10. Go to
Step 4.
4 “DEV BIAS AC” VOLTAGE CHECK
1. Scroll to “Dev Bias AC-”.
2. Measure the voltage between the Right Side Guide
Charge Terminal (connector nearest the back of the
machine) and frame ground.
Warning: The next step will result in very high
voltage being placed on an exposed
contact. Use all standard high voltage
safety practices and avoid getting in
close proximity of the contact or meter
probe.
3. Press [4] to read, [0] to stop.
Does the voltage measure approximately
620 ±25 VAC?
Go to
Step 9. Go to
Step 5.