Rapid YJ-320T Mounting instructions

Manual Revision 1.1
YJ-320T Use’s Manual

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CONTENTS
1. OUTLINE
1-1.FEATURE
1-2. APPLICATION
2. OPERATION
2-1.SPECIFICATION
2-2.EXPLANATION OF EACH OTHER
2-3.PAPER CHANG
2-4.SELF-TEST
2-5. DUMP MODE
3. CONNECTIONS
3-1. SERIAL/POWER INTERFACE
3-2. USB INTERFACE
3-3. THE OTHERS
4. OUTER APPEARANCE
5. COMMAND
5-１CODE TABLE
5-２EPSON COMMAND

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1.OUTLINE
These printers are thermal method can be equipped in rack. for various data
communication, POS terminal and various system.
Prior to actual use, please read this instruction manual carefully for your correct
understanding.
1-1.Feature
Ultra small-sized rack mounting thermal printing
Extremely light weight
High speed printing
Paper end detecting and auto loading
A little noise in printing
No ribbon type
Confirming to RS 232c and USB interface.
24 and 32, 42 columns are available.
Self-test and Hex decimal (dump mode) applied
Graphic printing and bar code function are available.
1-2.APPLICATION
Instruments and inspection system
INDICATOR and scale
F. A. system
A receipt
POS SYSTEM
Parking system
Various data recording

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2. OPERATION
2-1. SPECIFICATION
ITEM
SPECIFICATION
DESIGN
PANEL TYPE
PRINT METHOD
THERMAL MACHANISM
COLUMNS
24/32/36/42 ON ENGLISH
FONT SIZE
36/42COL ENGLISH: 9x24, KOREAN: 18x24
24/32COL ENGLISH: 12x24, KOREAN: 24x24
DOT DENSITY
200 DPI(8dot/mm)
TOTAL DOTS
384 dots/line
PRINT SPEED
70mm/sec
PRINT PAPER
57mmx50mm ROLL PAPER
PRINT WIDTH
48.0mm
DATA BUFFER
16Kbyte
INTERFACE
RS-232C SERIAL
(BAUDRATE : 2400/9600/19200/115200bps selector)
CENTRONICS PARALLEL
USB
INPUT POWER
DC +12 ~ 24V, 1.5A
( OPTION : External AC Adaptor 110V/220V)
SIZE (mm)
79.5(W) x 63.5(D) x 97.5(H)

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2-2. EXPLANATION EACH OTHER
LED AND SWITCH
ITEM
FUNCTION
RED LED
POWER INDICATOR.
POWER ON, WHEN LIGHITNG LAMP.
GREEN LED
INDICATOR “ON-LINE”
ON LINE (STANDBY PRINTING.)
LAMP OFF( NOT TO PRINT).
LED FLASHING, WHEN NO PAPER
FEED S/W
PRESS TO ADVANCE PAPER
2-3. PAPER CHANG
This printer's paper is sensitive to external temperature or water.
①Be careful not to send data to the printer when changing paper.
②Please put your index finger on the front panel ring part of the printer
and raise it.

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③When inserting the paper, insert it in the same direction as shown.
④Make sure that the green LED is ON after loading the paper properly.

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⑤Press the FEED button to confirm that the paper is correctly fed.
2-4. SELF TEST
The self –test mode checks the printers control circuit function, setting parameter,
software version, and printer quality.
①Before running the self -test, make sure there is sufficient paper.
②On pressing FEED S/W(YJ-350T/YJ-320T) or ONLINE S/W(YJ-360T),
and power ON, starting the self-test.
③Printer becomes ready to receive data from the host.

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2-5. DUMP MODE
Dump mode checks whether printer receives data correctly from the host
or not.
①Before running the self -test, make sure there is sufficient paper.
②On pressing FEED S/W, and power ON, starting the self-test.
③After ending the self-test, continually press FEED S/W, Then print
“**[ HEX DUMP PRINT START ]**”
after 2 seconds.
④Thought you don’t touch any s/w, the printer take out HEXA mode
changed data from host
⑤If power off, printer “s recovered to normal mode

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3. CONNECTIONS
3-1. SERIAL/POWER INTERFACE
1) Serial/Power cable number
2) Serial(RS-232C) signal function
Pin
SIG.
DIRCTION
FUNCTION
2
TXD
OUT
Transmitter data
3
RXD
IN
Receive data
6
DSR
IN
Indicate Whether host could receive data or not .
Can do it on SPACE , not do it on MARK
Can operating on DSR/DTR Handshaking, printer
transmitter data after checking the signal.
Use it on Hardware Handshaking.
7
GND
-
Signal Ground
20
DTR
OUT
Indicate Whether printer could receive data or not.
Can do it on SPACE , not do it on MARK, when
setting DTR/DSR control
It’s on MARK as bellows;
-Full buffer in printer
-Operating on error
6 5 4 3 2 1
TX(1)
RX(2)
DTR(3)
GND(4)
GND(5)
Vcc(6번)
Connector Spec : Molex 5268-06
Serial/Power USB

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5 4 3 2 1
3-2.USB INTERFACE(Option)
1) USB Connector number
2) USB signal function
3-3.THE OTHERS
Jumper Spec
Pin No
SIG
DIRCTION
FUNCTION
1
Vcc
IN
USB HOST form 5V input
2
D -
IN/OUT
Data send -
3
D +
IN/OUT
Data send +
4
-
-
N.U.
5
GND
-
Signal Ground
Connector Spec : Mini B