Xerox Phaser 4500 Service Manual

4-18 Phaser 4500 Service Manual
Registration Sensor
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Registration Sensor
■ Registration Sensor Actuator
■ 150-Sheet Feeder Assembly
■ Tray 1 Assembly Harness
■ Chute Assembly Harness
■ HVPS/Engine Logic Board
■ LVPS
■ “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 Registration Sensor Actuator for
operation and shape:
1. Remove the 150-Sheet Feeder
Assembly (page 8-18).
Does the Registration Sensor Actuator
operate smoothly?
Is the flag of the Registration Sensor
Actuator formed normally to shield the
sensor detecting point?
Go to step 2. Replace the 150-
Sheet Feeder
(page 8-18).
2
Check the Registration Sensor:
1. Re-connect J241 of the Tray 1 Assembly
Harness to the Registration Sensor (with
150-Sheet Feeder removed).
2. Enter Service Diagnostics, and from the
Sensor Tests menu select Registration
Sensor.
3. Manually actuate the Registration
Sensor.
Does the sensor operate correctly?
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Go to step 3.
3
Check the power to Registration Sensor:
1. Remove the Print Cartridge.
2. Measure the voltage across P/J24-9 <=>
P/J24-10 on the HVPS/Engine Logic
Board.
Is the voltage about 3.3 VDC?
Go to step 4. Go to step 6.

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English