Electrical Circuitry Operating Principles - Epson 2200 - Stylus Photo Color Inkjet Printer Service Manual

EPSON Stylus PHOTO 2100/2200

2.3 Electrical Circuitry Operating Principles

The electrical circuitry of this product consists of the following circuits.
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Control circuit board
C387 MAIN
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Power supply circuit board
C387 PSB/PSE
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Control panel board
C387 PNL
The following shows how the three circuit boards are connected.
C387 PNL board
C387 MAIN board
3.3V Regulator
Power OFF +5VDC +42VDC
C387 PSB/PSE
power supply board
Figure 2-17. Electrical Circuitry Block Diagram
OPERATING PRINCIPLES
Printer
mechanism
CR motor
PF motor
ASF/Pump motor
Head drive circuit
Sensors
Electrical Circuitry Operating Principles
Revision B
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