Table of Contents
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1.
Block Diagram
The following is the block diagram for this printer.
Data (Host Computer)
(8)
Near-end
Sensor Board
RESUME
Switch
Interface Board
RS-232C, RS-422A, Parallel
Gate Array
(16)
EPROM
128 k x 16 Bit ( Ver. 1 )
250 k x 16 Bit ( Ver. 2 )
(16)
PS-RAM
128 x 16 BitPS-RAM
(8)
S-RAM
8K x 8 BitS-RAM
(16)
Chinese Char. ROM
256 k x 16 Bit ( Ver. 1 )
512 k x 16 Bit ( Ver. 2 )
CPU
DC-DC Coverter
24V
Power Supply Unit
Fig. 2-1 Block Diagram
Main Logic Board
EEPROM
Head Driver
Motor Driver
Cutter Driver
Sensor Circuit
Presenter
– 16 –
Print Mechanism
Driver
Thermal
Head
Paper
Feed
Motor
Cutter
Sensor
Presenter
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