Control System Configuration - Canon imageRUNNER 2545 Series Service Manual

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Technology > Laser Exposure System > Construction > Control System Configuration

■ Control System Configuration

Controls for the laser exposure system are mainly performed by the DC controller PCB and
image PCB.
Laser driver PCB
J602
J601
J1
Scanner motor PCB
J208
DC Controller PCB
Main Controller PCB
J8143
2 Technology > Laser Exposure System > Construction > Control System Configuration
J2
BD PCB
J8142
F-2-49
Signal name
Image signal
DATA C+ C laser image data signal entry
DATA C- C laser image data signal entry
DATA B- B laser image data signal entry
DATA B+ B laser image data signal entry
DATA A- A laser image data signal entry
DATA A+ A laser image data signal entry
DATA D+ D laser image data signal entry
DATA D- D laser image data signal entry
Laser control signal
CTRL0-0 A/B laser control signal
CTRL0-1 A/B laser control signal
CTRL0-2 A/B laser control signal
CTRL1-0 C/D laser control signal
CTRL1-1 C/D laser control signal
CTRL1-2 C/D laser control signal
Scanner motor control signal
POLYGON_M_FG* FG output signal
POLYGON_M_ACC* Motor speed-up signal
POLYGON_M_DEC* Motor speed-down signal
BD signal
BD BD signal
2-29
Function
T-2-21
2-29