Lexmark C910 - Paper Exit, FU;FD Service Check; Paper Tray Missing Service Check

2-84 Service Manual
5055-01X
Paper Exit, FU/FD Service Check
Paper Tray Missing Service Check
FRU Action
1 FU/FD Sensor
Actuator
If the paper is not exiting to the back paper face up
tray or the face down tray, check the sensor for
proper operation by checking for a fluctuation of
between 0 V and +5 V between pins 1 and 2 of
connector CN12, while actuating the sensor.
2FU/FD
Deflector
Check the FU/FD deflector that directs the paper to
the proper tray. Replace if necessary.
3 FU/FD Solenoid Check the FU/FD solenoid for continuity. Also be
sure the connector is properly connected to the
printer controller board.
4 Face Up Exit
Assembly
Check the gears and the actuating mechanism for
wear or damage. Replace as necessary.
5Printer
Controller
Board
Check connectors CN2 and CN14 for proper
connection on the printer controller board.
FRU Action
1 Size Sensor
Actuators
Cassette Parts
Check to ensure that the paper size adjustment is
correct for the paper being used. Ensure that the
paper size sensor actuators are not bent or broken.
Make sure that there are no broken parts on the
cassette that would allow the cassette to move or
shift from it’s intended position inside the printer.
2 Size Sensor
Board
Expansion
Paper Feeder
Control Board
Printer
Controller
Board
Be sure that connector CN2 on the printer controller
board is connected properly. Also check CN4 on the
expansion paper feeder control board for the
associated tray.