Electrical Circuitry Operating Principles; Hardware Configuration - Epson TM U200D - B/W Dot-matrix Printer Technical Manual

Electrical Circuitry Operating Principles

Hardware Configuration

Component connection diagram
The electrical circuitry of the printer consists of the main circuit board and the interface circuit
boards (UB-S01/RS-232, UB-P01/1284, or UB-S02/RS-485). The figure below is a component
connection diagram of the electrical circuitry.
Print head
2-12 Mechanism Configuration and Operating Principles
AC adapter
AC adapter
DKD
(or PS-150)
ior PS |150 j
CN1 CN2
CN7 Main circuit board
CN11 CN8
Near-end
Various sensors
Near-end
detector (optional)
Various sensors
detector (optional)
Figure 2-15 Component connection diagram
I/F circuit board
CN1
CN2
CN4
CN5
CN9 CN6
Motor, paper feed
(Not used)
(Not used) Paper feed motor
Host interface
Carriage motor
Rev.B