Lexmark C910 5055-01x Service Manual page 111

5055-01x
Paper has entered the fuser and exited the printer (Area B).
FRU
1 Fuser
2 • Fuser Exit
Lower Roller
• Exit Guide
• FU/FD Flap
Solenoid
• Exit Flap
Clutch Lever
• Gears
• Fuser Exit
Upper Roller
3 • Paper Exit
Motor (Drive
2 Stepper
Motor)
• Face-Down
Feed Roller
Belt
4 • Paper Exit
Switch
• face-up/face-
down Sensor
Remove any toner buildup and replace any worn or
damaged parts.
Be sure the exit FU/FD solenoid energizes in the
correct position for either face-down or face-up
delivery. Replace any damaged or worn parts.
Do a continuity check of the solenoid. Be sure
connector CN122 is properly connected to the
printer controller board.
Be sure that connector CN4 is properly connected to
the controller board.
Check for a fluctuation of between 0V and +5 V on
the printer controller board between the following
pins, when actuating the sensor:
• Paper exit switch - CN12 (pins 4 and 5)
• face-up/face-down sensor - (CN12 pins 1and 2)
If the voltage does not fluctuate, replace the sensor.
Action
Diagnostic Information
2-61