Canon CLBR 460ps Service Manual page 70

CHAPTER 2
DC Controller Input/Output Signals (6/7)
High-voltage power supply unit
J1501
J1401
T1751
J1601
J1201
J1901
J1902
Drum cartridge
J62
-4
-3
Memory PCB
-2
-1
Photosensitive
-8
drum
-7
-5
J52
-A7
-A2
-A3
-A4
-A5
Option
-A6
duplexing unit
-B1
or
-B2
paper feeder
-B3
-B4
-B5
-B7
-A1/-B6
2 - 12
High-
J1018
J1307
voltage
PCB 2/2
12
J1306
12
J1305
High-
J1301 J1019
voltage
24
PCB 1/2
J1004
J62
J60-4
-A4
-3
-A3
-2
-A2
-1
-A1
J61-5
-B5
-4
-B4
-2
-B2
J52 J1016
J51-2
-A2
-A7 -7
-A6 -6
-A5 -5
-4
-A4
-3
-A3
-B7 J50-7
-B6 -6
-B5 -5 -10
-4
-B4 -11
-3
-B3 -12
-B1 -1 -14
J51-8
-A8/-B2 /J50-2 -1/-13
Figure 2-2-8
DC controller PCB
Primary high-voltage control
Developing high-voltage control
Secondary transfer high-voltage control
See Page 2-20 for details.
Primary transfer high-voltage control
ITB cleaning high-voltage control
Fixing separation high-voltage control
See Page 2-20 for details.
-1
DRMDO Drum cartridge memory data output signal
-2
DRMDI Drum cartridge memory data input signal
-3
DRMCLK Drum cartridge memory serial clock signal
-4
DRMCS Cartridge memory select signal
-5
Drum cartridge detecition 5V
DRMC5V
-6
DRMSET "H" when a drum cartridge is installed.
-8
See Page 2-48 for details.
+24VA
-7
+5V
-2
-3
/DUPRST Duplexing unit reset signal
-4
DUPTXD Duplexing unit serial output signal
-5
DUPRXD Duplexing unit serial input signal
-6
DUPSCLK
Serial clock signal
-8
/OPSIZE2
-9
/OPSIZE1
Paper size detection
/OPSIZE0
/OPP Paper feeder paper detection signal
/OPSET Paper feeder detection signal
/OPCLON "L" to rotate the paper pick-up roller.