Dell 3010CN Service Manual page 600

Signal line name
ESS DATA-
ESS DATA+
MCU DATA-
MCU DATA+
PCONT
LASER ON (L) +5VDC
VREF
SCANNER MOTOR ON (L)+5VDC
SCANNER MOTOR CLOCK
SOS SENSED (L) +5VDC
Chapter 7 Wiring Diagrams and Signal Information
Image signal from ESS
Image signal from MCU
Control signal of PWBA LD in ROS ASSY
Control signal of PWBA Scanner in ROS ASSY
Reference signal for scan start of LASER
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Description