Table of Contents
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Name
umtro1kT PCB
IX
High-vollage power supply PCB
Pick-up motor driver PCL3
Sensor PC0
Video conlrollrr PC13
Expantion ROM PCB
Paper
driver PCB
feeder
Envelope feeder driver PC13
Table 6-8
L
Controls the pnnting sequence
Applies high voltage to the primary and transfer
rhaging rollers and the developing cylinder
Drives the motors and the solenoids
Relays signals between the sensors. solenoids, motors.
and pick-up motor driver PCB
Processes I/O between the printer and the external
device, and various data.
Conlrols the timing when the video controller unit
CPU gives access to the ROM-SIMM module mounted
on the expantion ROM PCB.
Drives the paper feeder clutch and the motor [paper
feeder)
Drives the envelope feeder motor (envelope feeder)
CHAPTER 6
Function
6 - 53
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