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Chapter 7 Wiring Diagrams and Signal Information
Signal line name Description
XPDATA_A_Y,XPDATA_B_M,XPD
ATA_C_C,XPDATA_D_K
Pixel data signals to make Quad Beam Laser Diodes (laser
diodes for 4 colors) in ROS ASSY emit the light
MO_A_Y,MO_B_M,MO_C_C,MO_
D_K
Light quantity control signals for each color LD (laser diode)
VL1_A_Y,VL1_B_M,VL1_C_C,VL1
_D_K
Voltages for adjusting light quantity of each color LD
LD_+5VDC
Line to provide ROS ASSY with +5VDC through from PWBA
MCU to PHD ASSY.
SOS SENSED(L) +3.3VDC
Scanning start reference signal based on the input of laser beam
to the SOS Sensor in SOS PWB
SCANNER MOTOR ON(L)+5VDC Scanner Motor ON/OFF control signal in ROS ASSY
CRUM DATA Write/read data to CRU
CRUM CLOCK Clock signal to CRU