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

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Phaser 5400 Laser Printer Service Guide 49
7 TRAY 1 NO PAPER & LOW PAPER SENSOR
ACTUATORS CHECK
1. Remove Tray 1.
2. Manually actuate the Tray 1 No Paper and Low Paper
sensor actuators.
Note: When checking the Low Paper Sensor using
the Sensor Test, at least one Paper Size
switch and the Low Paper Sensor must be
actuated.
Do the No Paper and Low Paper Sensor
Actuators move smoothly?
Go to
Step 8. Replace the
Tray 1 No
Paper
Sensor
Actuator
[RRP 2.6,
page 266 ] or
Low Paper
Sensor
Actuator
[PL 3.1,
page 390 ].
8 TRAY 1 NO PAPER & LOW PAPER SENSORS
CHECK
1. Enter Diagnostics mode.
2. From the Main Menu, select Component Test / Sensor
Input / press [4] to start test, [0] to stop.
3. Manually actuate the Tray 1 No Paper and Low Paper
Sensors.
Does the LCD counter increment each time you
actuate one of the actuators?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Go to
RAP 43,
page 119
[Low Paper]
or RAP 53,
page 140
[No Paper].
9 MBF NO PAPER SENSOR ACTUATOR CHECK
Insert, then remove a sheet of paper into the MBF.
Does the MBF No Paper Actuator move smoothly
when paper is inserted, then removed?
Go to
Step 10. Replace the
actuator.
10 MBF NO PAPER SENSOR CHECK
1. Enter Diagnostics mode.
2. From the Main Menu, select Component Test / Sensor
Input / press [4] to start test, [0] to stop.
3. Insert, then remove a sheet of paper into the MBF
while observing the LCD.
Does the LCD counter increment when you
insert, then remove the paper from the MBF?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Go to
RAP 51,
page 137 .
11 SUSPECT COMPONENTS
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one
at a time, until you isolate and solve the problem.
■
MBF Tray and components
■
Print Engine Controller Board [RRP 8.5, page 310 ]
■
Wiring and connectors linking the components
Table 24 Add Paper to MBF, Tray 1, 2 or 3 Message Troubleshooting
Procedure (cont'd.)
Step Actions and Questions Yes No