Repair Analysis Procedures
Phaser® 3500 Laser Printer Service Manual
2-12
Jam At Exit (Jam 2)
Jam At Rear (Duplex Jam 1)
3.
1.
Use service diagnostics to test the exit
sensor.
2.
Does the sensor operate correctly?
Go to Step 4.
Replace the exit
sensor.
4.
1.
Replace the Fuser Assembly and
retest.
2.
Did this correct the problem?
Complete.
Replace the SMPS.
Step
Action and Questions
Yes
No
1.
1.
Is the Exit Sensor Actuator damaged or
binding?
Repair or replace the
actuator and/or
sensor.
Go to Step 2.
2.
1.
Inspect the Exit Roller Assembly.
2.
Use service diagnostics to test the main
drive to exit.
3.
Is the exit roller damaged or binding?
Replace the Exit
Roller Assembly.
Go to Step 3.
3.
1.
Visually inspect the Fuser.
2.
Is there paper wrapped around the
Fuser rollers?
Remove obstruction
and clean Fuser
rollers.
Go to Step 4.
4.
1.
Is the Fuser Assembly operational.
2.
Do the Fuser gears rotates when the
Main motor is on?
Go to Step 5.
Replace the Fuser
Assembly.
5.
1.
Use the embedded diagnostics to check
the Exit Sensor.
2.
Is the sensor operational?
Replace Main Board.
Replace SMPS.
Step
Actions and Questions
Yes
No
1.
1.
Does paper jam after reversal but
before reaching duplex sensor?
Go to Step 2.
Go to Step 3.
2.
1.
Replace Transport Roller Shaft
Assembly.
2.
Does problem recur?
Replace Duplex
Assembly.
Complete
3.
1.
Use service diagnostics to check the
operation of the Duplex Sensor.
2.
Does the sensor operate correctly?
Go to Step 4.
Replace the Duplex
Sensor and/or
Actuator.
Step
Actions and Questions
Yes
No