Canon imageRUNNER 2545, Service Manual

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Technology > Laser Exposure System > Construction > Control System Configuration
Technology > Laser Exposure System > Construction > Control System Configuration
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Control System Configuration
Controls for the laser exposure system are mainly performed by the DC controller PCB and
image PCB.
J8143
DC Controller PCB
J8142
J208
J602
J601
J2
J1
Laser driver PCB
Scanner motor PCB
BD PCB
BD signal
Main Controller PCB
Image signal
Laser control signal
Scanner motor control signal
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Signal name Function
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
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