Xerox 4400DT - Phaser B/W Laser Printer, Руководство по обслуживанию, Страница: 67 / 503

2-30 Phaser 4400 Laser Printer Service Manual
Paper Size Jam; Check Size and Open Rear Cover
to Clear. (PSE-1)
(PSE-1: Paper size error)
There is a conflict between the size of the paper detected by the printer, and the length
of time the Registration Sensor is actuated.
5 1. Select Sensor Tests.
2. Select Duplex Sensor.
3. Open the Rear Cover and use a narrow strip of paper
(approximately 1 inch wide) to actuate and deactuate
the Duplex Sensor.
Does the message on the display alternate
between “With Paper” and “Without Paper” as
you press and release the actuator?
Perform
Registration
Sensor
on
page 3-20 to
test the
Registration
Sensor.
Replace the
Duplex
Sensor (RRP
12.13 on
page 6-155 ).
If the
problem
persists,
replace the
Engine Logic
Board (RRP
9.3 on
page 6-89 ).
6 1. Remove the Duplex Unit, then remove the Duplex
Cover (RRP 12.3 on page 6-143 ).
2. Disconnect P/J38 from the Duplex PWB.
3. Measure the resistance on the disconnected plug
between pin 1 and pin 2; between pin 1 and pin 3;
between pin 1 and pin 4; and between pin 1 and pin 5.
Are all four readings between 30 and 37 ohms?
Replace the
Duplex PWB
(RRP 12.4
on
page 6-144 ).
If the
problem
persists,
replace the
Engine Logic
Board (RRP
9.3 on
page 6-89 ).
Replace the
Duplex Motor
Assembly
(RRP 12.8
on
page 6-149 ).
Paper Size Error Troubleshooting Procedure
Step Actions and Questions Yes No
1 Does the problem appear when using Tray 1, 2,
or 3?
Go to step 3. Go to step 2.
2 1. Verify the size of paper currently in the MPT Tray.
2. Select Menus and press OK , then
3. Select Printer Setup Menu and press OK .
4. Select Tray Setup Menu and press OK .
5. Select MPT Setup Menu and press OK .
6. Select Change Paper Size and press OK .
Does the paper size checked in the MPT Setup
Menu match the size actually in the MPT?
Replace the
Engine Logic
Board (RRP
9.3 on
page 6-89 ).
Set MPT size
to the size of
paper actually
installed, then
press
OK .
Duplex Jam Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No