Electrical; Main Functional Components Of Electrical - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

2.2.6 Electrical

This section explains and illustrates the main functional components making up the
Electrical system.
MAIN FUNCTIONS
PWBA MCU
PWBA MCU performs communication with the printer controller, and controls the
parts to perform printing operations.
LV/HVPS
LV/HVPS supplies +24 VDC, + 5VDC and +3.3 VDC to each of the parts from
the AC power supply, and supplies high voltage to the parts for transferring and
discharging.
PWBA HVPS
PWBA HVPS supplies high voltage to IBT Cleaner, 2nd BTR, and Cleaning
Sheet.
PWBA HVPS
PWBA HVPS supplies high voltage to IBT Cleaner, 2nd BTR, and Cleaning
Sheet.
PWB ASSY ROT
PWB ASSY ROT creates the pulse for the motors according to input signal from
the PWBA MCU and supplies the pulse signal to the motors.
PWBA ESS
Converts print data transmitted via a network, USB, parallel port or etc., and
communicates with a host computer. The memory can be expanded up to 512 MB
with an optionally available additional memory.
OP PANEL
OP PANEL displays the printer status on the LCD or by LEDs. Printer operations
are performed by the buttons on OP PANEL.
SWITCH-FUSER DOOR
SWITCH-FUSER DOOR detects whether the COVER FUSER is opened or
closed.
OPERATING PRINCIPLES
SWITCH-INLK FUSER
PWBA MCU
SWITCH-PH DOOR
Main Board
Printer Section Operating Principle
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FUSER LOCK SWITCH
SWITCH 2BTR COVER
SWITCH-FUSER DOOR
PWBA FUSER CONT
LV / HVPS
PWBA CRUM
Figure 2-56. Main Functional Components of Electrical
Revision B
SWITCH ASSY TOP
SWITCH-INLK FRONT
SWITCH-FRONT DOOR
PWBA HVPS
PWB ASSY ROT
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