Xerox Phaser 4500 Service Manual

General Troubleshooting 4-23
Toner Sensor
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Toner Sensor
■ Toner Sensor Assembly
■ Toner Harness Assembly 1
■ Toner Harness Assembly 2
■ Print Cartridge
■ HVPS/Engine Logic Board
■ “150-Sheet Feeder, 550-Sheet Feeder, Main Fan”
on page 10-22
■ “Print Engine General Wiring Diagram” on
page 10-17
■ “Print Engine Plug/Jack Locator” on page 10-3
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
Check the Print Cartridge (1):
Does sufficient toner remain in the Print
Cartridge?
Go to step 3. Go to step 2.
2
Check the Print Cartridge (2):
Does the problem still occur after
replacing the Print Cartridge?
Go to step 3. Problem solved.
3
Check the Toner Sensor Assembly
installation.
Is the Toner Sensor Assembly installed
correctly, and does the D-Holder
operate smoothly?
Go to step 4. Replace the
Toner Sensor
Assembly.
4
Check the Toner Sensor function:
1. Enter Service Diagnostics, and from the
Sensor Tests menu select Toner
Sensor.
2. Remove and replace the Print Cartridge.
Does the toner Sensor correctly detect
the presence of the toner in the Print
Cartridge?
Go to step 7. Go to step 5.
5
Check the Toner Harness Assembly 1:
1. Remove Toner Harness Assembly 1.
2. Test for continuity across J220 <=>
J221.
Is it continuous?
Go to step 6. Replace the
Toner Harness
Assembly 1.

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English