Epson Stylus Photo 2100 - 2.3 Electrical Circuitry Operating Principles; Control circuit board; Power supply circuit board; Control panel board

EPSON Stylus PHOTO 2100/2200 Revision B
OPERATING PRINCIPLES Electrical Circuitry Operating Principles 66
2.3 Electrical Circuitry Operating Principles
The electrical circuitry of this product consists of the following circuits.
! Control circuit board
C387 MAIN
! Power supply circuit board
C387 PSB/PSE
! Control panel board
C387 PNL
The following shows how the three circuit boards are connected.
Figure 2-17. Electrical Circuitry Block Diagram
C387 PNL board
C387 MAIN board
3.3V Regulator
C387 PSB/PSE
power supply board
Power OFF +5VDC +42VDC
Printer
mechanism
CR motor
PF motor
ASF/Pump motor
Head drive circuit
Sensors