Konica Minolta MAGICOLOR 3300 Service Manual page 147

Signal line name
TRAY2 SIZE0 SWITCH
ON(L)+3.3VDC
TRAY2 SIZE1 SWITCH
ON(L)+3.3VDC
TRAY2 SIZE2 SWITCH
ON(L)+3.3VDC
TRAY2 NO PAPER
SENSED(L)+3.3VDC
TRAY2 LOW PAPER
SENSED(L)+3.3VDC
TRAY2 FEED SOL ON(L)+24VDC
TRAY2 TURN CL ON(L)+24VDC
♦
Outline of SWITCH ASSY SIZE
The paper size is determined by a combination of ON/OFF statuses of the upper, middle, and lower
switches of SWITCH ASSY SIZE.
Paper size
LEGAL14" (SEF)
LEGAL13" (SEF)
EXECUTIVE (SEF)
B5 (SEF)
A4 (SEF)
LETTER (SEF)
A5
No cassette
ON/OFF detection signal of SWITCH ASSY SIZE upper SW
ON/OFF detection signal of SWITCH ASSY SIZE middle SW
ON/OFF detection signal of SWITCH ASSY SIZE lower SW
Cassette paper detection signal by SENSOR PHOTO (No Paper
Sensor2)
Cassette residual paper detection signal by SENSOR PHOTO
(Low Paper Sensor2)
ON/OFF control signal of SOLENOID FEED (Cassette2)
ON/OFF control signal of CLUTCH ASSY TURN (Cassette2)
Switches
Upper Middle Lower
ON ON ON
ON ON OFF
ON OFF ON
ON OFF OFF
OFF ON ON
OFF OFF ON
OFF ON ON
OFF OFF OFF
Chapter 7 Wiring Diagrams and Signal Information
Description
7-147