Lexmark Optra N model 240 Service Manual - Page 28

Reversing Roller Service Check, Shutter Service Check, board PN 11D0294.

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4040 Finisher Reversing Roller Service Check 1 Gears 2 Reversing Solenoid, SL7 (4-20) 3 Paper Feed Motor, M1 (443) 4 Finisher Driver Board 5 Paper Deck Driver Board 6 Option Controller Board 7 Printer Controller Board Check for, and replace any broken or worn gears. Unplug J14 of the reversing solenoid. Measure the resistance between J14-1 and J14-2 on the solenoid side. If it does not read 125 Ohms, replace the reversing solenoidm (PN 11D0114). Set the DIP switch (SW1) on the finisher driver board so that 3 is on. Press the push switch (SW3) to execute mechanical checking. If the paper feed motor does not rotate, replace it (PN 11D0118). If there is still a problem, replace the finisher driver board (PN 11D0294). If there is still a problem, replace the paper deck driver board (PN 11A8461). If there is still a problem, replace the option controller board (PN 11D0326). If there is still a problem, replace the printer controller board (PN 11A8254). Shutter Service Check FRU 1 Connectors 2 Shutter Close Detection Sensor, PI-5 (2-23) 3 Shutter Open Detection Sensor, PI-5 (2-23) 4 Finisher Driver Board (13-1) Action Be sure J7, J9, and J10 are properly connected to the finisher driver board. Unplug J7 from the finisher driver board. Measure the resistance between J7-1 and J7-2 on the switch side. If it does not measure infinity with the shutter down, replace the shutter close sensor (PN 11D0071). Measure the voltage between J9-8 and J9-9 on the finisher driver board. If it is not 0 V with the shutter up, or not approximately 5 V with the shutter down, replace the shutter open sensor (PN 11D0071). If there is still a problem, replace the finisher driver board (PN 11D0294). 2-15

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2-15
4040 Finisher
Reversing Roller Service Check
Shutter Service Check
1
Gears
Check for, and replace any broken or worn gears.
2
Reversing
Solenoid, SL7
(4-20)
Unplug J14 of the reversing solenoid. Measure the
resistance between J14-1 and J14-2 on the
solenoid side. If it does not read 125 Ohms, replace
the reversing solenoidm (PN 11D0114).
3
Paper Feed
Motor, M1 (4-
43)
Set the DIP switch (SW1) on the finisher driver
board so that 3 is on. Press the push switch (SW3)
to execute mechanical checking. If the paper feed
motor does not rotate, replace it (PN 11D0118).
4
Finisher Driver
Board
If there is still a problem, replace the finisher driver
board (PN 11D0294).
5
Paper Deck
Driver Board
If there is still a problem, replace the paper deck
driver board (PN 11A8461).
6
Option
Controller
Board
If there is still a problem, replace the option
controller board (PN 11D0326).
7
Printer
Controller
Board
If there is still a problem, replace the printer
controller board (PN 11A8254).
FRU
Action
1
Connectors
Be sure J7, J9, and J10 are properly connected to
the finisher driver board.
2
Shutter Close
Detection
Sensor, PI-5
(2-23)
Unplug J7 from the finisher driver board. Measure
the resistance between J7-1 and J7-2 on the switch
side. If it does not measure infinity with the shutter
down, replace the shutter close sensor
(PN 11D0071).
3
Shutter Open
Detection
Sensor, PI-5
(2-23)
Measure the voltage between J9-8 and J9-9 on the
finisher driver board. If it is not 0 V with the shutter
up, or not approximately 5 V with the shutter down,
replace the shutter open sensor (PN 11D0071).
4
Finisher Driver
Board (13-1)
If there is still a problem, replace the finisher driver
board (PN 11D0294).