DC controller PCA
The DC controller PCA controls the operation of the product and its components. The DC controller PCA
starts product operation when the power is turned on and the power supply sends DC voltage to the
DC controller PCA. After the product enters the standby sequence, the DC controller PCA sends out
various signals to operate motors, solenoids, and other components based on the print command and
image data that the host computer sends.
Figure 1-9 DC controller PCA
AC input
M
CL
Fuser unit
Motor
Transfer roller
High-voltage
power supply
Low-voltage
power supply
Laser/scanner
unit
Solenoid
Formatter
Cartridge
Sensor
DC controller
Switch
Fan
Option
Walkup
USB port
Clutch
Fuser control
Sensor
Power supply unit
12 Chapter 1 Theory of operation ENWW
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