Dell 3115CN - Page 779

7 - 29
Chapter 7 Wiring Diagrams and Signal Information
Version 1 2006.11.21
- Outline of SWITCH ASSY SIZE
The paper size is determined by a combination of ON/OFF statuses of the SW 1, SW 2, and
SW 3 switches of SWITCH ASSY SIZE.
ON : The actuator is pushing the size switch.
Signal line name Description
TRAY SEN
Rxd
Txd
Control signal of the PWBA FEEDER
TURN CL ON (L) +24VDC ON/OFF signal of the TURN CLUTCH
FEED CL ON (L) +24VDC ON/OFF signal of the FEED CLUTCH
PAPER EMPTY SENSED (L)
+3.3VDC
Paper detect signal of the Feeder by the Sensor Photo
(NO PAPER SENSOR)
PAPER SIZE SW 1 ON (L) +3.3VDC
PAPER SIZE SW 2 ON (L) +3.3VDC
PAPER SIZE SW 3 ON (L) +3.3VDC
ON/OFF signal of the SWITCH ASSY SIZE
FEED MOT ON
FEED MOT ALARM
FEED MOT CLK
FEED MOT LOW
Drive control signal of the FEED MOTOR
Paper size
Switches
SW 1SW 2SW 3
LEGAL 14” (SEF) ON ON ON
LEGAL 13” (SEF) ON ON OFF
EXECUTIVE (SEF) ON OFF ON
B5 (SEF) ON OFF OFF
A4 (SEF) OFF ON ON
LETTER (SEF) OFF OFF ON
A5 OFF ON OFF
No cassette OFF OFF OFF
SWITCH ASSY SIZE
SW 1
SW 2
SW 3
GNB07014KA