magicolor 330 - Base Engine Service Manual 12-5
Wiring Diagrams and Signal Information
BD1 MCU PWB↔LVPS & ROS Assembly↔Fuser Assembly↔Various Interlock Switches
The following table shows the signal names for this BD:
Signal Name Description
HEATER ON (L) 5VDC Switches Heat Rods. Low=On. High=Off
SOS Start of Scan signal
VREF Reference voltage for the Laser Diode
FRONT COVER SWITCH
ON (L) 5VDC
Monitors state of the Front Cover Switch. Low=On. High=Off
LD ENB Switches the Laser Diode. Low=Off. High=On
SCANNER MOTOR ON (L)
5VDC
Switches the Scanner Motor. Low=On. High=Off
VDATA Video data signal to the Laser Diode. Low=Off. High=On
5VDC-LD +5VDC to the Laser Diode