User`s manual

BD2-3880/3890 User’s Manual
23
APPENDIX 1. BLOCK DIAGRAM
* When MLT-388 is used: Head Up
* When MLT-389 is used: Platen Sensor
*1: Only for Japan
Print Head
Cutter
Operation Panel
Parallel (Centronics)
Serial (RC-232C)
Power Supply
VDD: 5V
(Power suply for
circuit)
VP: 4.2 to 8.5V
(Power suply for
operation)
Stepping
Motor
Paper End
Head Up
Platen Sensor
CPU
FLASH
MEMORY
ROM
RAM
G/A
Timing
Driver
Driver
Reset
Dip switch
OSC
Driver
CN201
CN3
CN1
CN2
*Option
Control
VDD VP
VH