Lexmark C910 Service Manual page 194

5055-01X
Paper has stopped at the registration roller or has not reached the
fuser (Areas C, E, 240, 24x).
FRU
1 • Registration
Roller Clutch
• Registration
Roller
• Transfer Belt
Unit
• Rear Paper
Feed Guide
2 • Registration
Sensor
• Printer
Controller
Board
Paper has exited the registration roller and entered the fuser
(Areas A and B).
FRU
1 • Transfer Belt
Unit
• Rear Paper
Guide
• Discharge
Brush
• Fuser
2 Fuser
Separation
Pawl
2-78
Service Manual
Check these parts for wear or damage. Replace as
necessary. Be sure all guide surfaces in the paper
path are free of dirt.
Check the registration roller clutch for continuity.
Be sure connector CN13 on the printer controller
board is connected properly.
Check for a fluctuation of between 0 V and +5 V
between pins 1 and 2 of connector CN11 on the
printer controller board while actuating the sensor. If
the voltage fluctuates as stated above, replace the
printer controller board. If the voltage does not
fluctuate, replace the sensor.
Remove any buildup of toner. Replace any damaged
or worn parts.
Check the paper exit flag on the fuser for damage.
Replace the fuser if necessary.
Replace the fuser if paper jams cannot be removed.
Action
Action