Control System Configuration - Canon iR3245 Series Service Manual

Chapter 6

6.1.3 Control System Configuration

iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
Controls for the laser exposure system are mainly performed by the DC controller PCB and image PCB.
J3183
*1: iR3245 / 3235 / 3230
*2: iR3225
6-2
Laser driver PCB
J3182
1
J3411 , J602
Scanner motor PCB
1 2
J1304 , J304
DC-CON
Image PCB
J462
Signal name
Image signal
LVDS0N
LVDS0P
LVDS1N
LVDS1P
LVDS2N
LVDS2P
LVDS3N
LVDS3P
Laser control signal
APC_CTRL0-0
APC_CTRL0-1
APC_CTRL0-2
APC_CTRL1-0
APC_CTRL1-1
APC_CTRL1-2
Scanner motor control signal
POLYGON_M_FG
M_ACC*1, POLYGON_M_ACC*2
M_DEC*1, POLYGON_M_DEC*2
POLYGON_M_STANBY*2
POLYGON_FG_PULS*2
BD signal
BD
J603
2
BD PCB
J461
F-6-2
T-6-6
Function
A laser image data signal entry
A laser image data signal entry
C laser image data signal entry
C laser image data signal entry
B laser image data signal entry
B 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
Scanner motor speed change control signal
Not used
BD signal
: iR3245 / 3235 /3230
1
2 : iR3225
0019-4282