Xerox 4400DT - Phaser B/W Laser Printer, Service Manual, Page: 78 / 503

Phaser 4400 Laser Printer Service Manual 2-41
No Paper in Tray [#].
A tray (Tray 1, Tray 2, or Tray 3) incorrectly indicates that it is empty.
Tray [#] Empty Troubleshooting Procedure
Step Actions and Questions Yes No
1 Does the problem appear when
using Tray 2 or Tray 3?
Go to step 7. Go to step 2.
2 Check the paper level in Tray 1.
Is there paper in Tray 1?
Go to step 3. Load paper into
Tray 1.
3 1. Enter Service Diagnostics and select
Test Print.
2. Print a test print from Tray 1.
Does the error message reappear?
Go to step 4. Return to
“Service
Flowchart”
and
restart.
4 1. Remove Tray 1 from the printer.
2. Remove all paper from the tray.
3. Reinsert Tray 1 into the printer.
4. From the rear of the printer, watch the
Tray 1 bottom plate.
Is the Bottom Plate is raised fully
and evenly?
Go to step 5. Go to Tray
Motor Assembly
Checkout
on
page 3-26.
5 1. Remove Tray 1.
2. Manually actuate the Tray 1 No Paper
sensor.
Does the No Paper Actuator move
smoothly?
Go to step 6. Replace the
Tray 1 No Paper
Actuator (RRP
3.3 on
page 6-30 ).
6 1. Enter Service Diagnostics and select
Sensor Tests.
2. Scroll to Tray 1 No Paper and press
OK .
3. Manually actuate the Tray 1 No Paper
Sensor.
Does the message on the display
alternate between “With paper” and
“Without paper” as you press and
release the actuator?
Replace the
Engine Logic
Board (RRP 9.3 on
page 6-89 ).
Go to Tray 1 No
Paper Sensor
on page 3-22.
7 Check the paper level in Tray 2/3.
Is there paper in the tray?
Go to step 8. Load paper into
Tray 2/3.
8 1. Enter Service Diagnostics and select
Test Print.
2. Print a test print from Tray 2/3.
Does the error message reappear?
Go to step 9. Return to
“Service
Flowchart”
and
restart.
9 Remove Tray 2/3 from the printer.
Remove all paper from the tray. Reinsert
the Tray into the printer. From the rear of
the printer, watch the tray bottom plate.
Is the Bottom Plate raised fully and
evenly?
Go to step 10. Go to Tray
Motor Assembly
Checkout
on
page 3-26.