Control System Configuration - Canon imageRUNNER 1750 Series Service Manual

2
Technical Explanation > Laser Exposure System > Construction > Control System Configuration

■ Control System Configuration

Controls for the laser exposure system are mainly performed by the Main Controller PCB and
Image PCB.
Laser driver PCB
J602
J601
J1
Scanner motor PCB
J208
DC Controller PCB
Main Controller PCB
J8143
2 Technical Explanation > Laser Exposure System > Construction > Control System Configuration
J2
BD PCB
J8142
Signal name
Image signal
DATA C+
DATA C-
DATA B-
DATA B+
DATA A-
DATA A+
DATA D+
DATA D-
Laser control signal
CTRL0-0
CTRL0-1
CTRL0-2
CTRL1-0
CTRL1-1
CTRL1-2
Scanner motor control signal
POLYGON_M_FG*
POLYGON_M_ACC*
POLYGON_M_DEC*
BD signal
BD
F-2-57
Function
C laser image data signal entry
C laser image data signal entry
B laser image data signal entry
B laser image data signal entry
A laser image data signal entry
A laser image data signal entry
D laser image data signal entry
D laser image data signal entry
A/B laser control signal
A/B laser control signal
A/B laser control signal
C/D laser control signal
C/D laser control signal
C/D laser control signal
FG output signal
Motor speed-up signal
Motor speed-down signal
BD signal
T-2-22
2-35
2-35