Xerox 4400DT - Phaser B/W Laser Printer, Service Manual, Page: 53 / 503

2-16 Phaser 4400 Laser Printer Service Manual
Paper Size
Jam; Check
Size and Open
Rear Cover To
Clear.
Press i. PSE-1: Paper Size
Error There is a conflict
between the size of
the paper, which is
detected by the Size
Switches, and the
length of paper the
printer detects by the
length of time the
Registration Sensor
is actuated. Correct the mismatch.
Open Rear Cover.
Go to
Paper Size Jam;
Check Size and Open Rear
Cover to Clear. (PSE-1)
on
page 2-30.
Install Or
Reseat Print
Cartridge
Press i. J3 Missing Print
Cartridge. 1. Print Cartridge is
not installed.
2. The installed Print
Cartridge is not the
correct one. Install the Print Cartridge,
or replace with the correct
Print Cartridge.
Go to
Install or Reseat Print
Cartridge. on page 2-33.
Toner Is Low.
Press i. J5 Toner Low. Toner Low is
detected after 10
prints while Toner
Sensor is on. Go to Toner is Low. on
page 2-35.
Main Motor
Failure
Press i. U1 Motor Fail/Power
Off Main Motor speed is
less than specified
RPM after 1.3
seconds. Power Off and On.
Go to
Main Motor Failure.
on page 2-45.
Laser Unit
Failure
Press i. U2 Laser Fail/Power
Off 1.Transmitting /BD
signal is longer than
specified value for 10
sec. + t1.
2. The laser power
does not reach the
specified value.
3. Laser signal
intervals become
longer than the Fail
time interval after
Laser warm-up is
completed. Power Off and On.
Go to
Laser Unit Failure. on
page 2-48.
Error Message Summaries (cont'd.)
Note: The messages listed in the “Diagnostic Message” column
appear only in Service Diagnostics while printing Engine
Test Prints. The code numbers in these messages also
appear as part of the Help information displayed when you
press i.
Front Panel
Message
Diagnostic
Message
Error Description Troubleshooting
Procedure