Xerox Phaser 3500 Service Manual page 24

Main Menu Sub Menu
Tray 2 Out
Sensor
Tray 3 Out
Sensor
Fuser Door
Sensor
HVPS Dev Bias
DC
Dev Bias
AC
Charge
Roll
Voltage
Transfer
Roll (+)
Transfer
Roll (-)
Pre-
transfer
Lamp
(PTL)
Laser Scan Laser
Unit Diode_0
Laser
Diode_1
Phaser® 3500 Laser Printer Service Manual
Description/Function
Remove Tray 2 from the
printer.
Remove Tray 3 from the
printer.
Open the rear cover and
actuate the fuser door
sensor.
Developer Bias DC is
applied when the OK button
is pressed, and then goes
off when the Cancel button
is pressed.
Developer Bias AC is
applied when OK is pressed
and goes off when Cancel is
pressed.
Charge Roller Voltage
(+1200V) is supplied when
OK is pressed and goes off
when Cancel is pressed.
Positive Transfer Voltage
(+1200V) is supplied when
OK is pressed and goes off
when Cancel is pressed.
[%d] is the value of the ADC.
Negative Transfer Voltage
(-800V) is supplied when
OK is pressed and goes off
when Cancel is pressed.
Measure voltage with a
DMM, if required.
PTL turns on when OK is
pressed and goes off when
Cancel is pressed. Visual
confirmation is possible with
the cover open and the Print
Cartridge removed.
Laser Diode0 On is
displayed when the laser
diode is on. In the other
case Laser Diode0 Off is
displayed.
Laser Diode1 On is
displayed when the laser
diode is on. In the other
case Laser Diode0 Off is
displayed.
2-8
Repair Analysis Procedures
Control Panel Display
Tray 2
IN/OUT
Tray 3
IN/OUT
Fuser Door Sensor
Closed/Opened
Dev Bias DC
ON/OFF
Dev Bias AC
ON/OFF
Charge Roll
ON/OFF
Transfer Roll (+)
[%d]
ON/OFF
Transfer Roll (-)
ON/OFF
Pre-transfer Lamp
ON/OFF
Laser Diode0
ON/OFF
Laser Diode1
ON/OFF