Canon NP6085 Service Manual page 68

3. OPERATIONS AND TIMING
Inputs to the DC Controller (7/7)
Lower front tray
open switch
Upper front tray
open switch
Original size detection 1
Original size detection 2
Original size detection 3
Hopper toner level sensor
Fixing assembly thermistor
Potential measurement
sensor
3-10
COPYRIGHT © 1996 CANON INC.
SWLED2
SWLED1
DS1
DS2
DS3
Q31
Main switch PCB
TH1
J1005
1
2
3
Environment
sensor
4
5
J661
Potential
Sensor
measurement
PCB
DC controller PCB
J105
B8
LTOP
B7
12VU
B6
B5
LTLD
B4
UTOP
B3
12VU
B2
B1
UTLD
J121
B7 5VR
B8
DSZ2
B9
DSZ1
B10
B4
5VR
B5
DSZ3
B6
B1
5VR
B2
DSZ4
B3
J124
5VR
B3
B4
TEP
B5
J105
B12
MSWON
B13
J125
B7
TH1
B6
J104
5VR
A5
A4
TH2
A3
A2
HUM1
A1
J104
24VU
B1
B3
POT
B2
POTON
B4
Figure 3-109
CANON NP6085 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
When '0', the lower front tray is open.
When '0', the LED turns ON.
When '0', the front tray is open.
When '0', the LED turns ON.
When an original is present, '1'.
When an original is present, '1'.
When an original is present, '1'.
When an original is present, '1'.
When the toner inside the hopper
is below a specific level, '1'.
When the main switch is pressed, '0'.
When the temperature of the fixing
roller increases, the voltage lowers.
(analog signal)
When the temperature inside the machine
increases, the voltage lowers.
(analog signal)
When the humidity inside the machine
increases, the voltage increases.
(analog signal)
See p. 3-53.