Xerox Phaser 4500, Service Manual

Page: 142 / 537

Error Messages and Codes 3-63
No Paper in Tray 3/No Paper in Tray 4
Error Indications
No Paper in Tray 3
No Paper in Tray 4
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■
HVPS/Engine Logic Board
■
LVPS
■
No Paper Sensor
■
No Paper Actuator
■
Optional 550-Sheet Paper
Feeder
■
550-Sheet Paper Cassette
■
“550-Sheet Feeder General Wiring Diagram” on
page 10-27
■
“550-Sheet Feeder Signal Diagram” on page 10-28
■
“550-Sheet Feeder Plug/Jack Locator” on
page 10-10
Troubleshooting Procedure
Steps Actions and Questions Yes No
1 Is there any paper in Tray 3 or Tray 4? Go to step 2. Add paper.
2 Is the Bottom Plate Assembly
(PL20.3.10) lifted correctly? Go to step 3. Remove the
550-Sheet Paper
Cassette, then re-
install it correctly.
3 1. Remove the Paper Cassette.
2. Manually operate the No Paper Actuator.
Does the No Paper Actuator move
smoothly?
Go to step 4. Replace the No
Paper Actuator.
4 Check the No Paper Sensor:
1. Remove the Print Cartridge.
2. Enter Service Diagnostics, and from the
Sensor Tests menu select the Tray 3 or
Tray 4 No Paper test.
3. Manually operate the No Paper Actuator.
Does the sensor correctly report the
position of the sensor actuator?
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Go to “Optional
550-Sheet
Feeder No Paper
Sensor” on
page 4-45.