Outputs From The Dc Controller Pcb (1/7) - Canon ImageRunner iR8500 Series Service Manual

Chapter 3
Cassette 3 paper
width detecting
volume
Cassette 4 paper
width detecting
volume
(hopper internal
toner sensor)
(hopper internal
toner lower limit
sensor)
Developing
assembly internal
toner sensor
Fixing main
thermistor
Fixing sub
thermistor
Potential
sensor
Light intensity
sensor
Fluorescent
lamp heater
Temperature
sensor

3.1.13 Outputs from the DC Controller PCB (1/7)

iR105
3-12
SVR2
SVR3
TS1
TS2
TS3
TH1
TH2
J2-1
J2-2
Potential control
J2-4
DP1
PCB
J1-1
J1-2
J1-5
J852
Light intensity control
-1
PCB
-2
PD2001
-5
-4
H5
-5
-6
TH3
DC controller PCB
J513
-B3
+5V
-B2
See D. "Detecting the Cassette
SVR2
-B1
Paper Size" in Chapter 7.
J514
-A10
+5V
-A9
See D. "Detecting the Cassette
SVR3
-A8
Paper Size" in Chapter 7.
J504
-B7
+5V
-B8
When toner is absent, '0'.
TS1S
-B9
J504
-B10
+5V
-B11
When toner is absent, '0'.
TS2S
-B12
J504
-B15
+5V
-B16 When toner is absent, '0'.
TS3S
-B17
J508
-B7
M-TEMP
-B8
See III. "Fixing Assembly
J508
-B9
S-TEMP
Temperature Control" in
Chapter 8.
-B10
J502
J3-4 -A11
+24V
J3-3 -A12
When potential control is under
POT-ON
J3-2 -A13
POT-SIG way, '1'.
J3-1 -A14
Analog voltage to suit surface
potential of the drum.
J853 J506
-1 -B1
FL-GAIN
-2 -B2
HEAT-ON
-3 -B3
FL-TH See III. "Controlling the
-4 -B4
OV
Scanning Lamp" in Chapter 3.
-5 -B5
FL-REF
F-3-12
0006-9367