Citizen Systems iDP3240 - Manual (Page 189)

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16. APPENDIX 5. BLOCK DIAGRAM
FLASH
ROM
LED
FEED Switch
Cover Switch
Paper Near-end
Paper End
Power
Source
DC 24V 1.8A
DC 24V DC 5V
Cutter Driver
Print Head
CPU DIP Switch
G/A
Stepping
Motor
Driver
Driver
Drawer1 Parallel
Centronics compliant
IEEE1284 compliant
Serial
RS-232C compliant
Drawer2
Interface Reset
RAM
OSC 20MHz