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Appendix 1. block diagram – Citizen Systems iDP-3550 User Manual

Page 138

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APPENDIX 1.

BLOCK DIAGRAM

(iDP-3551 only)

OSC16MHz

Power Supply
120 V AC, 50/60 Hz
230 V AC, 50/60 Hz

Interface

Parallel
(CENTRONICS
Compliant)
Serial
(RS-232C
Compliant)

Reset

Winder
Control

Battery
Back-up

(Option)

Winder

ROM

RAM

CPU

Cutter
Control

Auto
Cutter

Drawer
Control

Drawer

DIP Switch

Paper Near
End
Control

Operation
Panel

Vp

Filter

Power
Supply

Vcc

Print Head
Driver

DC Motor/
LF Solenoid/
CC Solenoid/
Drivers

Mechanism
Control
Signals/
PE Signal

Printer
Mechanism
DP-654C
or
DP-657G