Repair Analysis Procedures
Phaser® 3500 Laser Printer Service Manual
2-6
DEV Motor Developer motor runs when 
the OK button is pressed 
and stops when the Cancel 
button is pressed.
DEV Motor 
Running Test
ON/OFF
Laser 
Motor
Laser motor runs when the 
OK button is pressed and 
stops when the Cancel 
button is pressed.
Laser Motor
Running Test
ON/OFF
Duplex 
Motor
Duplex motor runs when the 
OK button is pressed and 
stops when the Cancel 
button is pressed.
Duplex Motor
Running Test
ON/OFF
Tray  3  
Motor 
(If installed)
Tray 3 motor runs when the 
OK button is pressed and 
stops when the Cancel 
button is pressed. 
If Tray 3 is not installed, test 
does not run.
Tray 3 Motor 
Running Test
ON/OFF
Tray 3 Not Installed
Main Fan Main fan runs when the OK 
button is pressed and stops 
when the Cancel button is 
pressed.
Main Fan
Running Test
ON/OFF
SMPS Fan SMPS fan runs when the 
OK button is pressed and 
stops when the Cancel 
button is pressed.
SMPS Main 
Running Test
ON/OFF
Duplex Fan Duplex fan runs when the 
OK button is pressed and 
stops when the Cancel 
button is pressed
Duplex Fan
Running Test
ON/OFF
Solenoid/
Clutch
Tray  1  
Solenoid
When the OK button is 
pressed the Tray 1 solenoid 
is turned on for 200ms, and 
then it automatically stops.
Tray 1 Solenoid
ON/OFF
Tray  2  
Solenoid
When the OK button is 
pressed the Tray 2 solenoid 
is turned on for 200ms, and 
then it automatically stops.
Tray 2 Solenoid
ON/OFF
Tray  3  
Solenoid
When the OK button is 
pressed the Tray 3 solenoid 
is turned on for 200ms, and 
then it automatically stops.
When Tray 3 is not installed, 
this function does not work.
Tray 3 Solenoid
ON/OFF
Tray 3 Not Installed
Main Menu  Sub Menu Description/Function Control Panel Display