Citizen Systems iDP3550, iDP3551 user manual Appendix 1. Block Diagram, Cpu

iDP3550/3551 User ’s Manual

APPENDIX 1. BLOCK DIAGRAM

Parallel

(CENTRONICS

Compliant)

Serial

(RS-232C Compliant)

Printer Mechanism

DP-654C or DP-657G

OSC16MHz

Interface

Paper Near

End

Control

CPU

Operation

Panel

Print Head

Driver

DC Motor/

LF Solenoid/

CC Solenoid/

Drivers

Mechanism

Control

Signals/

PE Signal

Reset

Vp Vcc

Winder

Control

Cutter

Control

Drawer

Control

DIP Switch

ROM

RAM

Battery

Back-up

Winder

(Option)

Auto

Cutter

(iDP3551 only)

Drawer

Filter	Power
	Supply

Power Supply

120 V AC, 50/60 Hz

230 V AC, 50/60 Hz

129 CITIZEN