Lexmark Optra N model 240 Service Manual - Page 30

Swing Guide Service Check, Tray Elevation Motor Service Check

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4040 Finisher Swing Guide Service Check FRU 1 Connectors 2 Swing Guide Close Detecting Switch, MS-2 (5-6) 3 Swing Guide Close Sensing Switch, MS-6 (5-6) 4 Swing Guide Open Sensor, PI-18 (5-1) 5 Finisher Driver Board (13-1) Action Be sure J5, J11, and J13 are properly connected to the finisher drive board. Unplug J5 from the finisher driver board. Measure the resistance between J5-9 and J5-10 on the switch side. If the resistance is not 0 Ohms with the swing guide down, or infinity with the swing guide up, replace the swing guide close detecting switch (PN 11D0139). Unplug J5 from the finisher driver board. Measure the resistance between J5-11 and J5-12 on the switch side. If the resistance is not 0 Ohms with the swing guide down, or infinity with the swing guide up, replace the swing guide close sensing switch (PN 11D0139). Measure the voltage between J13-5 and J13-6 on the finisher driver board. If it is not 0 V with the swing guide down, and not 5 V with the swing guide up, replace the swing guide open sensor (PN 11D0071). If there is still a problem, replace the finisher driver board (PN 11D0294). Tray Elevation Motor Service Check 1 Connector 2 Tray Elevation Motor, M5 (916) 3 Finisher Driver Board (13-1) Be sure J7 is properly connected to the finisher driver board. Unplug J7 from the finisher driver board. Measure the resistance between J7-4 and J7-5 on the motor side. If it does not read 5.5 Ohms, replace the tray elevation motor (PN 11D0254). If there is still a problem, replace the finisher driver board (PN 11D0294). 2-17

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2-17
4040 Finisher
Swing Guide Service Check
Tray Elevation Motor Service Check
FRU
Action
1
Connectors
Be sure J5, J11, and J13 are properly connected to
the finisher drive board.
2
Swing Guide
Close
Detecting
Switch, MS-2
(5-6)
Unplug J5 from the finisher driver board. Measure
the resistance between J5-9 and J5-10 on the
switch side. If the resistance is not 0 Ohms with the
swing guide down, or infinity with the swing guide
up, replace the swing guide close detecting switch
(PN 11D0139).
3
Swing Guide
Close Sensing
Switch, MS-6
(5-6)
Unplug J5 from the finisher driver board. Measure
the resistance between J5-11 and J5-12 on the
switch side. If the resistance is not 0 Ohms with the
swing guide down, or infinity with the swing guide
up, replace the swing guide close sensing switch
(PN 11D0139).
4
Swing Guide
Open Sensor,
PI-18 (5-1)
Measure the voltage between J13-5 and J13-6 on
the finisher driver board. If it is not 0 V with the
swing guide down, and not 5 V with the swing guide
up, replace the swing guide open sensor
(PN 11D0071).
5
Finisher Driver
Board (13-1)
If there is still a problem, replace the finisher driver
board (PN 11D0294).
1
Connector
Be sure J7 is properly connected to the finisher
driver board.
2
Tray Elevation
Motor, M5 (9-
16)
Unplug J7 from the finisher driver board. Measure
the resistance between J7-4 and J7-5 on the motor
side. If it does not read 5.5 Ohms, replace the tray
elevation motor (PN 11D0254).
3
Finisher Driver
Board (13-1)
If there is still a problem, replace the finisher driver
board (PN 11D0294).