AD-8127

Multi Printer

INSTRUCTION MANUAL

1WMPD4003327A
© 2016 A&D Company, Limited. All rights reserved.
No part of this publication may be reproduced, transmitted, transcribed, or translated
into any language in any form by any means without the written permission of A&D
Company, Limited.

The contents of this manual and the specifications of the instrument covered by this
manual are subject to change for improvement without notice.

Windows and Excel are registered trademarks of Microsoft Corporation.

.
 Contents

1. INTRODUCTION ...........................................................................................................2
1-1.Features......................................................................................................................2
2. PRODUCT STRUCTURE (PART NAMES) , PACKAGE CONTENTS................................3
2-1.Package contents .......................................................................................................3
2-2.Part names .................................................................................................................4
3. PREPARATIONS ...........................................................................................................5
3-1.Connecting the AC adapter.........................................................................................5
3-2.Opening and closing the printer cover ........................................................................6
3-3.Installing and removing the ink ribbon.........................................................................7
3-4.Installing the printer paper...........................................................................................8
3-5.Test printing ................................................................................................................9
3-6.Connecting to the weighing device .............................................................................9
4. PRINTING....................................................................................................................10
4-1.Printing out data from the weighing device ...............................................................10
4-2.Paper feed ................................................................................................................10
4-3.Precautions...............................................................................................................10
5. BASIC OPERATIONS OF THE KEYS ........................................................................ 11
6. STATISTICAL CALCULATION FUNCTIONS..............................................................12
6-1. Printing example and printing contents of statistical calculation .....................................12
7. BASIC SETTINGS.......................................................................................................13
7-1.Time settings.............................................................................................................13
7-2.Date settings.............................................................................................................13
7-3.Printing mode settings ..............................................................................................14
7-4.ID code setting ..........................................................................................................14
8. FUNCTION SETTINGS ...............................................................................................15
8-1.Function settings display and operation keys ...........................................................15
8-2.Items list....................................................................................................................16
8-3.Initializing the function settings .................................................................................18
8-4.Descriptions for the printing mode ............................................................................19
8-5.Chart printing mode ..................................................................................................20
8-6.Descriptions for the external input connector............................................................21
9. INTERFACE SPECIFICATIONS..................................................................................22
9-1.RS-232C ..................................................................................................................22
10. MAINTENANCE .......................................................................................................23
11. TROUBLESHOOTING .............................................................................................23
11-1. Checking the printer performance.......................................................................23
11-2. Asking for repair..................................................................................................23
12. SPECIFICATIONS ....................................................................................................24
12-1. External dimensions............................................................................................25
12-2. Sold separately ...................................................................................................26

1
 1. INTRODUCTION
This manual describes how the AD-8127 Multi Printer work and how to get the most out of
them in terms of performance.
Read this manual thoroughly before using the printer and keep it at hand for future
reference.

1-1. Features
This device is a printer used to connect to a weighing device such as A&D’s
electronic balance, scale, counting scale, moisture analyzer, vibro viscometer or
weighing indicator and print out data transmitted from the weighing device.
With dot matrix printing, the printed contents can clearly and easily be viewed,
allowing for storage of records for a long period of time.
Light weight and compact size of the printer enables it to be set up in various
locations and be easily transported.
The printer is equipped with the RS-232C or current loop interface for data input, so
it allows easy connections between the printer and a weighing device such as an
electronic balance.
Dust-free paper sold separately is available for using the printer in cleanrooms
(AX-PP137-S).
Built-in clock function of the printer enables printing out of the date and time.
Printing at a regular interval is possible. (Interval printing)
Statistical calculation results of the weighing data, including standard deviation, can
be printed out.
Time series variation of the weighing data in chart form can be printed out.
The liquid crystal display provides easy conditions confirmation and settings of the
printer.
By pressing the key switch of the printer, a re-zero command to zero the display
and request commands for the weighing data can be transmitted to an electronic
balance, so the weighing data can be printed out without touching the highly
sensitive electronic balance.

2
 2. PRODUCT STRUCTURE (PART NAMES) , PACKAGE CONTENTS
2-1. Package contents
Main unit

Ink ribbon (1 pc) Ordinary printer paper (1 pc)

* The ink ribbon for test printing is installed * Attached to the main body
to the main body.

AC adapter AC adapter labels English instruction Japanese instruction

manual manual
(This document)

Position of placing
AC adapter labels
Confirm that the adapter type is
correct for the local voltage and
power receptacle type.
RS-232C cable
* RS-232C cables A, B or C below will be provided by specifying at time of order.

DIN - D-sub9 pin

D-sub9 pin –9 pin D-sub25 pin – 9 pin DIN - D-sub9 pin (AX-KO5291-050)
(AX-KO2741-100) (AX-KO2116-090) (AX-KO1786-200) * For current loop
A B C
Sold separately
Ink ribbon (5 pcs) AX-ERC-22B
Ordinary printer paper (10 pcs) AX-PP137-S
Dust-free printer paper (10 pcs) AX-PP173-S

3
2-2. Part names

Printer cover

Liquid crystal display

Power switch

Keyboard

Power connector
Connector for the AC
adapter

RS-232C connector
External input connector
RS-232C and current loop connector (9 pin) for
data transmission

4
3. PREPARATIONS
3-1. Connecting the AC adapter

Instructions
1. Confirm that the power switch is turned to off.
2. Connect the DC plug of the AC adapter to the power connecter of the printer.
3. Connect the AC plug to the outlet.

1. Power switch

3. AC plug
2. DC plug

5
 3-2. Opening and closing the printer cover
When installing and removing the ink ribbon and printer paper, open the printer cover to
allow these operations to be performed.

Instructions
1. Push the knobs at both sides of the printer cover toward the inside (directions
indicated by arrows).
2. Lift up the printer cover while keeping the knobs depressed.

Knobs

1 Printer cover

Note Opening or closing the printer cover improperly may result in damage to the
printer cover.

6
 3-3. Installing and removing the ink ribbon

Instructions
1. Turn the power off, and then open the printer cover.
2. When removing the ink ribbon, push the part indicated by“PUSH”on the ink ribbon
to raise the knob side, and then lift up the ink ribbon straight.

PUSH

3. When attaching the ink ribbon, turn the ink ribbon’s knob in the direction indicated by
the arrow until there is no slack in the ribbon.
4. Place the hole on the ink ribbon’s knob rear side over the axis located on the main
body. Insert the ribbon into the printing head and press the ink ribbon onto the main
body.
* When replacing the ink ribbon with printer paper attached, insert the ribbon
between the printing head and printer paper.
Ribbon
Ink ribbon

Knob

Printing head

Axis

* Sold separately: ink ribbon (5 pcs) AX-ERC-22B

7
 3-4. Installing the printer paper

Instructions
1. Open the printer cover.
2. Cut off the end of the printer paper at a right angle or obliquely as shown at the figure
below.

2. Insert the end of the printer paper onto the metal plate of the printing unit.
3. Turn the power switch on.

4. Press the key to feed the printer paper 5 or 6 cm out of the printing unit.
5. Close the printer cover.

Ink ribbon
Printer paper

Metal plate

Printer paper

* Placethe paper roll in the printer cover to allow these operations to be done easier.
* Sold separately: ordinary printer paper (10 pcs) AX-PP137-S
Sold separately: dust-free printer paper (10 pcs) AX-PP173-S

8
 3-5. Test printing
To start test printing, turn the power on while pressing and holding the key, and

then press and hold the key.

By performing test printing, the status of the function settings can be confirmed.
Printout example
* To stop printing, turn the power off.
----------------------------
*[ PRINTER SETUP ]*
VERSION :V3.13(2016/11/25)
USER MODEL : AND
PRINT MODE : EXT.KEY
PRINT FORMAT : WEIGHT
PRINT FORMAT2: +/- PRINT
US PRINT : NOT PRINT
DATE FORMAT : Y/M/D
SUB FORMAT : DEL
1 LINE FEED : 1 LINE
USER CODE : 00000001
TOTAL MODE : TIME PRINT
CODE DIRECTION : L <- R
CODE PRINT : PRINT
NO.PRINT : PRINT
INTERFACE : SERIAL(RS-232C)
2 CURRENT LOOP
PROTOCOL : 2400bps,E,7,1
CURRENT TIME/DATE :
2016/12/15 14:38:42
----------------------------

3-6. Connecting to the weighing device

Use the RS-232C cable to connect the printer to the balance or scale.

Balance rear side

AD-8127 * Depending on the balance or
scale models, there are
three types of pin: D-sub9
pin, D-sub25 pin or Din7 pin.
Use the cable that matches
the specific type to connect
the printer.

D-sub9 pin

RS-232C cable

9
 4. PRINTING
4-1. Printing out data from the weighing device
Instructions
1. Turn the printer power on.
2. Connect the printer to the weighing device using a RS-232C or current loop cable.
3. Transmit data to the printer from the weighing device.
Refer to the instruction manual of the weighing device for the data output methods,
output format and RS-232C communication settings.
4. Press and hold the key to feed the printer paper until the printed results can be
viewed, and then cut off the printer paper.

* The balance has functions such as outputting by pressing the PRINT key or
automatically outputting after stabilizing the weighing.

4-2. Paper feed

Instructions
1. Press the key to allow paper feed while the button is pressed.

4-3. Precautions
Do not print with the ink ribbon detached. Doing so may cause damage in the
printing head.
Replace the ink ribbon with a new one before it becomes worn out due to excessive
use. Failure to do so may cause damage to the printing head. Also, do not apply ink
to the ink ribbon. Doing so may cause bleeding.
Do not drop foreign matter into the printer. Doing so may cause mechanical damage
to the printer.
When operating the printer, install the printer in a stable location. Installing the
printer in an uneven or unstable location may result in movement of the printer
caused by vibration due to printing out, leading to a serious accident.
Depending on a material (PVC, etc.) of the installation table, rubber may transfer to it
from the printer. Do not set the printer on a table or sheet made of vinyl.
When cleaning the main unit, do not use organic solvents such as alcohol, thinner,
or benzine. Otherwise, that may cause damage to the printer as its main body is
made of plastic.
Keeping the ink ribbon attached to the printer a long time may result in the printer
paper becoming dirty. Also, performing continuous printing at low temperature may
result in faint printing due to characteristics of the ink.
Attempting to print when out of paper could damage the printing head. Install new
printer paper to the printer.
The ink ribbon provided at shipping is for test printing.

10
 5. BASIC OPERATIONS OF THE KEYS
There are two actions possible when pressing
a key. Pi Pi Pi
1. Press the key and release after the
buzzer sounds
2. Press and hold the key and release after
the buzzer sounds twice
* To prevent errors when making key operations, there is an interval until the buzzer
sounds after pressing the key.
When the key is pressed When the key is pressed and held
Keys
(Until the buzzer sounds one time) (Until the buzzer sounds twice)
Prints out the current time. Puts the printer in the time settings
mode.
Prints out the current date. Puts the printer in the date settings
mode.
Accesses the printing mode settings.

Prints out the ID code. Puts the printer in the ID code settings
mode.
Prints out the total.

Prints out the statistical calculation

results.
Deletes one instance of the data to Deletes all of the data to be used in
be used in statistical calculation. statistical calculation.
Feeds paper while the key is
pressed.
Test prints when the power is turned
on while pressing this key with the
power turned off.
Cancels changes at each setting. Transmits a re-zero command. *
Advances to the next setting item when The commands can be selected at the
configuring the function settings. function settings.
Prints out weighing values in the manual
printing mode.
Prints out received weighing values after
transmitting weighing value request
commands (“Q” command) to the device at a
mode other than manual printing mode. *
Confirms the setting changes. Toggles between the external key
Stops or restarts the chart printing printing mode and dump printing mode.
while printing a chart. Completes the chart printing while
printing a chart.
* When connecting using the current loop, the commands cannot be transmitted.
11
 6. STATISTICAL CALCULATION FUNCTIONS
In addition to printing out weighing values, the printer can also perform statistical calculation of the
weighing values printed out. The printer always performs calculation processing while operating,
so you can print out calculation results at the touch of a key whenever needed.

6-1. Printing example and printing contents of statistical calculation

Printout example
1. When printing out the weighing values, the weighing
umber is printed out. ID CODE : LAB-1234
If unit and kind of data entered in the printer differ from NO. 1 WT 1000.12 g
those of the data entered first, the printer prints out the NO. 2 WT 1000.20 g
values without calculating. NO. 3 WT 1000.16 g
NO. 4 WT 1000.21 g
2. If accidentally printing out the weighing values, press the
key. “***< *** DELETE >***”is displayed and the ***< 004 DELETE >***

printer does not calculate prior data. NO. 4 WT 1000.25 g

3. When printing out total calculation results, press the NO. 5 WT 1000.13 g

key. Date and time, ID code, data count (N) and -------------------------
***< SUB TOTAL >***
total (TOTAL) are printed out.
2016/02/09 15:31:50
4. When printing out all of the calculation results, press the ID CODE LAB-1234
N 5
key.
TOTAL 500.86 g
Date and time, ID code, data count (N), total (TOTAL), --------------------------
averaging value (AVE), maximum value (MAX), minimum
value (MIN), maximum value - minimum value (R),
standard deviation (STDEV), coefficient variation (CV) and
minimum weighing value (MINI WT) are printed out. --------------------------
Standard deviation (STDEV) ***< GRAND TOTAL >***
Coefficient variation (CV) = Averaging value (AVE) ×100(％) 2016/02/09 15:32:07
ID CODE LAB-1234
Minimum weighing value (MINI WT) = standard deviation (STDEV) × 2000 N 5
TOTAL 5000.86 g
* Calculation of the minimum weighing value conforms to
AVE(x) 1000.17 g
USP Chapter 41. This calculation is applied only when
MAX 1000.25 g
weighing using a weight.
MIN 1000.12 g
* Data count (N) to be calculated is a maximum of 999.
RANGE(R) 0.13 g
5. After printing out all of the calculation results, data to be STDEV(o) 0.054 g
used at statistical calculation can all be deleted. CV 0.01 %
MINI WT 107.15 g
LCD display
key ：To delete all of the data. --------------------------
CLEAR
DATA? E
key ：To not delete the data.

12
 7. BASIC SETTINGS
The basic settings allow easy key operations to perform minimum required settings such as
clock and printing mode. The setting values are always backed up using the built-in battery,
so those values are maintained in the memory even when the power is turned to OFF or the AC
adapter is disconnected.
Note If an alarm such as one long beep followed by three short beeps sounds when the power is
turned to ON, the printer is prevented from printing properly and configuring settings for date
and time due to an error in the built-in lithium battery. In this case, the printer requires repair.

7-1. Time settings

Standby mode
1. Press and hold the key.
Press and
hold
2. Enter the hour, minutes and seconds by using the numerical keypad.
TIME SET TIME SET
3. The display shows SAVE? E when all data
12:34:56
is entered.
Enter by using numerical keypad
4. To confirm the entered data, press the key.
TIME SET
To cancel the entered data, press the key. SAVE? E

* Do not set a time that does not exist to the printer.

Standby mode

7-2. Date settings

Standby mode
1. Press and hold the key.
Press and
2. Enter the year, month and day by using the numerical keypad. hold

3. The display shows DATE SET when all data is

SAVE? E DATE SET
entered.
16/01/23

Enter by using numerical keypad

4. To confirm the entered data, press the key.

To cancel the entered data, press the key. DATE SET

SAVE? E
* Do not set a date that does not exist to the printer.
* When changing the order of year, month and day, set by “Date form
(DATE FOR)” of “Function settings (3=MODE)” in “8-2. Items list”.

13 Standby mode
 7-3. Printing mode settings

Standby mode
1. Press the key.

2. Press the or key to switch the display.

PRN MODE Current
EXT.KEY* setting value
3. Press the key to confirm the setting.
EXT.KEY*
MANUAL Press to switch
To cancel the setting, press the key.
Press to switch
AUTO the display.
* Refer to “8-4. Descriptions for the printing mode” for TIMER
the display.
descriptions of the each setting. DUMP
CHART

PRINTER
RESET!

Standby mode

7-4. ID code setting

Standby mode
1. Press and hold the key.

2. Enter the ID code by using the numerical keypad.

3. To move the digit to be entered, press the key. CODE SET

00000001
4. When the digits to be changed are all entered,
Enter by using numerical keypad
CODE OK!
is displayed, and then the printer returns
********
CODE OK!
to the standby mode.
LAB-1234
* Even if the key was pressed to cancel settings,

any digits where the key has been pressed will Standby mode

be changed.
* Direction in which the ID code is set can be changed using
the function settings.
14
 8. FUNCTION SETTINGS
The function settings are available for changes to communications and functions of the printer.
These parameters are maintained in non-volatile memory, even if the AC adapter is removed.
This function table menu consists of two layers. The first layer is the "Class" and the second layer
is the "Item". Each item has one setting value registered. A setting value confirmed by pressing the
key after selecting the item becomes effective.
New parameters are applied to the printer’s operations after the ON:OFF key is pressed.

Settings example and menu structure

Power OFF BAUDRATE BAUDRATE
2400 * 9600
While Press one time Press twice
pressing
Press one time
Power ON
PARITY
EVEN *
Press and
hold

Press three times

ITEM SEL
1=SERIAL PRN MODE No.PRN
EXT.KEY* PRINT *
Press one time Press nine times
Power OFF

No. PRN REZERO

Power ON
NOT PRN SEND R *
* Settings become Press one time Press one time
effective by turning the
power off and on again.

8-1. Function settings display and operation keys

Display and operation keys Descriptions
Currently enabled setting values are indicated by the
* “＊” mark being lit.
Accesses menu for the item selected when “ITEM SEL”
is displayed.

Changes settings values.

Changes current item and advances to next item.

Advances to next item without changing current item.

15
 8-2. Items list
Setting
Class Items values Details and usage
1=SERIAL BAUDRATE 300 300 bps
Serial interface Baud rate 600 600 bps
*１ 1200 1200 bps
■ 2400 2400 bps
4800 4800 bps
9600 9600 bps
19200 19200 bps
PARITY NONE Not used
Parity ODD Odd
■ EVEN Even
WORD LEN 8 bit 8 bit
Data length ■ 7 bit 7 bit
STOP BIT ■ 1STOP 1 bit
Stop bit 2STOP 2 bit
2=VENDER ■ AND A&D standard format
Data format ●

● Subsequent values *3
*2 are for other-company
●

format.
3=MODE PRN MODE ■ EXT.KEY External key printing
Function Printing mode mode
settings MANUAL Manual printing mode *4
AUTO Auto printing mode *4
TIMER Interval printing mode *4
DUMP Dump printing mode
CHART Chart printing mode *4
PRN FOR. ■ WEGHIT Weighing values only
Printing data TIME/WG Date and time + weighing
values
TM1/WG Date and time + weighing Prints out date
values and time only at
first operation.
PRN FOR2 + PRN Prints out when the
Printing data 2 weighing values are at
“+”.
■ +/- PRN Prints out when the
weighing values are at
“+” and“-”.
US PRN ■ NOT PRN Not printed out
Unstable data PRINT Printed out
DATE FOR ■ Y/M/D yyyy/mm/dd
Date form M/D/Y mm/dd/yyyy
D/M/Y dd/mm/yyyy
indicates factory settings.

16
*1 Initial setting values of the serial interface are adjusted to those of an A&D balance or
scale.
*2 We do not support operations of product formats other than A&D’s standard format.
*3 Set the output format of the weighing device to A&D’s standard format.
*4 The output mode of the balance or scale must be set to stream output.

Setting
Class Items values Details and usage
3=MODE FEED CNT ■ 1 LINE Feeds one line after
Function Feed printing.
settings 2 LINE Feeds two lines
after printing.
3 LINE Feeds three lines
after printing.
4 LINE Feeds four lines
after printing.
5 LINE Feeds five lines
after printing.
6 LINE Feeds six lines after
printing.
7 LINE Feeds seven lines after
printing.
8 LINE Feeds eight lines
after printing.
TOTAL MD ■ T/D YES Adds a date to the
Calculation calculation printing.
printing T/D NO Does not add date
to the calculation
printing.
CODE PRN NOT PRN Not printed out When printing out No.1
ID printing ■ PRINT Printed out data and statistical
calculation
CODE DIR ■ L <-- R To left from right
ID setting direction L --> R To right from left
NO. PRN NOT PRN Not printed out Number to be applied
Weighing ■ PRINT Printed out to statistical calculation
number printing
REZERO ■ SEND R R command
Re-zero SEND Z Z command
command *5
indicates factory settings.

*5 Set the command so as to match figures for the balance or scale connected.

17
 Setting
Class Items values Details and usage
3=MODE EXT IN1 ■ NONE Has no function.
Function External input 1
settings PRINT Printed out Printing mode
is“MANUAL”.
FEED Paper feed
G TOTAL Calculation results
printing
S TOTAL Total printing
R/Z CMD Re-zero command
Q CMD Weighing value
request command
EXT IN2 ■ NONE Has no function.
External input 2 PRINT Printed out Printing mode
is“MANUAL”.
FEED Paper feed *6
G TOTAL Calculation results
printing
S TOTAL Total printing
R/Z CMD Re-zero command
Q CMD Weighing value
request command
4=INITAL PRN F/A Resets the printer’s
Initialization Initialization － function settings to
factory settings.
indicates factory settings.

*6 By pressing the external input switch one time, paper feed is started. By pressing the
external input switch once again, paper feed is stopped.

8-3. Initializing the function settings

When resetting the function settings values of the printer to factory settings, perform
“Initializing (4=INITIAL)” in “8-2. Items list”.
key: Initializes function settings to factory LCD display

settings. PRN F/A

Inital? E
key: Cancels initialization
(The function settings are not initialized.)

18
 8-4. Descriptions for the printing mode
Printing method of the printer varies depending on “Printing mode (PRN MODE) ” in “8-2.
Items list”.

External key printing mode（EXT. KEY）

Printing is done using weighing device’s keys without making printer key operations.
Set data output settings of the weighing device to output using the keys.
It is also possible to print out data by pressing the key to transmit a weighing value
request command to the weighing device side.
But when connecting using current loop, the commands cannot be transmitted.

Manual printing mode（MANUAL）

Printing can be done by pressing the key.

Set data output settings of the weighing device to stream output (Always outputting).

Auto printing mode（AUTO）

Printing is done automatically when data transmitted from the weighing device has
changes of +10 digits or more to zero and is stable.
One digit is the minimum display of the weighing device.
Set data output settings of the weighing device to stream output (Always outputting).

Interval printing mode（TIMER）

Printing is done at each time that was set by this mode. To set the interval time, set
minutes and seconds (mm:dd) after confirming settings of the printing mode to “TIMER” .
To suspend the printing, press the key. To restart the printing, press the key.
Set data output settings of the weighing device to stream output (Always outputting).

Dump printing mode（DUMP）

Data transmitted from the weighing device is printed out without changes. Use these
settings for GLP outputs, etc. of the weighing device.
Set data output settings of the weighing device to output using the keys.

Chart printing mode（CHART）

Amount of changes of the weighing values is printed out as scatter plot. Changes of the
weighing values in real time can be confirmed visually.
At the chart printing mode, set digits (2 digits) for chart printing, minutes and seconds of
the interval time (mm:dd) and the printing count after confirming settings of the printing
mode to “TIMER”.
Set data output settings of the weighing device to stream output (Always outputting).
Refer to“8-5. Chart printing mode”for details.

19
 8-5. Chart printing mode
1. Set the printing mode to “CHART” and press the key to confirm. PRN MODE
CHART
2. Turn the power off and on.
3. Press the or key to select a digit to be

transformed in chat and press the key to confirm. Turn the power off and on

4. Enter the interval time by using the numerical keypad and

TARGET
press the key to confirm. 76543210
5. Enter the chart printing number by using the numerical keypad
and press the key to confirm.
Chart printing starts. TIME SET
M:S00:00
Chart printing example
* CHART MODE * Enter by using numerical keypad
76543210
^^
* INTERVAL TIME *
00m 10s
DATE SET
CHART START TIME
SAVE? E
2016/01/27 19:10:20
WT 452.77 g
^^
00 99
00h00m

WT COUNT *2
990 E
00h08m
Enter by using numerical keypad

CHART STOP TIME

2016/01/27 19:26:48
WT 451.98
^^
g
CHART
* CHART OFF * READY

Printing starts
6. When the key is pressed and held or the chart print
count reaches the number of times that was set beforehand, NT=12:34 ← Time for next
printing out
the chart printing is completed. To stop the chart printing, NC=005 ←Print count

press the key. To restart the printing, press the

key. CHART
7. To repeat the operations from “Step 2” after finishing chart printing, END!
press the key.

*1 Settings range of the interval time is 00：05 (5 seconds) to 59：59 (59 minutes 59 seconds).
*2 Settings range of the chart print count is 010 (10 times) to 990 (990 times）.

20
 8-6. Descriptions for the external input connector
By using the external input connectors, operations such as printing, paper feed or re-zero
on a weighing device away from the printer can be performed. The printer has two
external inputs. Those operations can be set by “External input 1 (EXT IN1)” and
“External input 2 (EXT IN2)” of “Function settings (3=MODE)” in “8-2. Items list”.

Combination example

Sold separately: foot switch

AX-SW128

Releasing
Using the external input connector button
(Example using a foot switch)
1. Strip the cable coatings to expose the
conducting wire for approx. 1 cm.
RIAL INPUT
2. Secure the conducting wire using solder so that
it cannot be bended or come apart.

3. Insert either conducting wire into the “GND”

terminal of the external input connector.
4
4. Insert the other conducting wire into the “EX1” 3
or “EX2” terminal of the external input 1
connector. Conducting wire
exposed for
approx. 1 cm
5. When removing the conducting wire from the 2 Secure using
external input connector, pull out the conducting solder
wire while pressing the releasing button End of the cable

* If the conducting wire can not be secured

properly by inserting, insert the conducting wire
into the terminal while pressing the releasing
button.
* If the releasing button can not easily be pressed,
depress the releasing button using a
screwdriver.

21
 9. INTERFACE SPECIFICATIONS
9-1. RS-232C
The printer is a DTE device. Connect a balance (DCE) to the printer using a straight
through cable.

Transmission system : EIA RS-232C

Transmission form : Asynchronous, bi-directional, half duplex
Data format : Baud rate : 600, 1200, 2400*, 4800, 9600, 19200, 38400 bps
Data length: 7* or 8 bits
Parity : Even*, Odd (Data length 7 bits)
None (Data length 8 bits)
Stop bit : 1 bit
* indicates factory settings. (This is adjusted to factory settings for most of A&D’s
balances.)

D-Sub 9-pin assignment

Pin Signal
Direction Description
No. name
1 RXD ― Current loop receiving data
2 TXD Output Transmit data
3 RXD Input Receive data
4 Used internally Output Unavailable for connection (5V output)
5 SG Output Signal ground
6 ― ― No connection 1 23 45
7 ― ― No connection
8 ― ― No connection 6789

9 ― ― No connection
#4-40UNC

RS-232C connection

Printer side Balance side * The names in the parentheses are

( ＤＴＥ） ( ＤＣＥ） used for some balances in the
FG instruction manual.
FG
TXD
TXD( ※ RXD)
RXD
RXD( ※ TXD)
SG
SG

22
 10. MAINTENANCE
Do not use organic solvents or chemical cloth to clean the printer.
Clean the printer with a lint free cloth that is moistened with a mild detergent.
Do not disassemble the printer.
Use the original packing material for transportation.

11. TROUBLESHOOTING
11-1. Checking the printer performance
If the printer seems to have a problem, check the items described below.
If improper performance persists after checking, contact the local A&D dealer for repair.

Checking the power supply

Is an appropriate AC adapter connected?

Checking the data transmission

Is the printer connected to the weighing device using an RS-232C straight through
cable or current loop cable?
Are the RS-232C settings (baud rate, data length and parity) of the printer the same
with those of the weighing device?

11-2. Asking for repair

If improper performance persists after checking, contact the local A&D dealer for repair.
The printer is a precision instrument. Use the original packing material for transportation.

23
 12. SPECIFICATIONS
Printing method Impact type dot matrix
Character 7 dots × 9 dots
specifications 1.6（W）× 3.2（H）㎜
Printing speed Approx. 1.6 line per second
Paper feeding
Approx. 4 line per second
speed
Number of
24 characters per line
characters printed
Operating
0℃ to 40℃
temperature range
Operating humidity
35％ to 85％RH（No condensation）
range
Storage
-20℃ to 60℃
temperature range
Storage humidity
10％ to 90％RH（No condensation）
range
Interface RS-232C, current loop
Power supply & Supplied to the AC adapter
Confirm that the adapter type is correct for the local voltage and
AC adapter type
power receptacle type.
External dimensions 174（W）×141（D）×87（H）mm
Weight Approx. 500g
Ink ribbon (1 pc)，ordinary printer paper (1 pc)，AC adapter， AC
Accessories
adapter labels，instruction manual，RS-232C cable

24
 12-1. External dimensions

174 87

27.4
141

91
23
62
69
60.3

122 Unit: mm

25
 12-2. Sold separately

Ordinary printer paper (10 pcs) AX-PP137-S

This is ordinary replacement paper of 57.5mm width × Approx. 30m length.

Dust-free printer paper (10 pcs) AX-PP173-S

This is dust-free paper that is available for use in cleanrooms.
57.5mm width × Approx. 30m length

Ink ribbon (5 pcs) AX-ERC-22B

This is replacement ink ribbon.

RS-232C cable (D-sub9 pin – 9 pin, 1m) AX-KO2741-100

RS-232C cable (D-sub25 pin - 9 pin, 0.9m) AX-KO2116-090

RS-232C cable (DIN – D-sub9 pin, 2m) AX-KO1786-200

Current loop cable (DIN - D-sub9 pin, 0.5m) AX-KO5291-050

Foot switch AX-SW128

By connecting the foot switch to the external input connector, functions assigned to
the “External input 1 (EXT IN1)” and “External input 2 (EXT IN2)” of “Function
settings (3=MODE)” can be performed.

26
MEMO

27
MEMO

28
3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, JAPAN
Telephone: [81] (3) 5391-6132 Fax: [81] (3) 5391-6148

A&D ENGINEERING, INC.

1756 Automation Parkway, San Jose, California 95131, U.S.A.
Telephone: [1] (408) 263-5333 Fax: [1] (408)263-0119

A&D INSTRUMENTS LIMITED

Unit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire OX14 1DY United Kingdom
Telephone: [44] (1235) 550420 Fax: [44] (1235) 550485

A&D AUSTRALASIA PTY LTD

32 Dew Street, Thebarton, South Australia 5031, AUSTRALIA
Telephone: [61] (8) 8301-8100 Fax: [61] (8) 8352-7409

A&D KOREA Limited 한국에이.엔.디(주)

서울특별시 영등포구 국제금융로6길33 (여의도동) 맨하탄빌딩 817 우편 번호 150-749
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전화: [82] (2) 780-4101 팩스: [82] (2) 782-4280

OOO A&D RUS OOO "ЭЙ энд ДИ РУС"

121357, Российская Федерация, г.Москва, ул. Верейская, дом 17
( Business-Center "Vereyskaya Plaza-2" 121357, Russian Federation, Moscow, Vereyskaya Street 17 )
тел.: [7] (495) 937-33-44 факс: [7] (495) 937-55-66

A&D INSTRUMENTS INDIA PRIVATE LIMITED

( 509, Udyog Vihar, Phase- , Gurgaon - 122 016, Haryana, India )

: 91-124-4715555 : 91-124-4715599
BackCover 1WMPD4000058M .