USER’S GUIDE

Thermal Printer

DPU-E247

Read this user’s guide carefully before
using the printer.
Keep this user’s guide in a place where it
can be accessed quickly.

Seiko Instruments Inc.

DPU-E247 THERMAL PRINTER USER’S GUIDE
Document Number U00032799309
Second Edition March 2000
Third Edition May 2001
Fourth Edition December 2002
Fifth Edition June 2003
Sixth Edition September 2004
Seventh Edition February 2006
Eighth Edition November 2007
Ninth Edition May 2009
Tenth Edition July 2009
Copyright ¤2000, 2001, 2002, 2003, 2004, 2006, 2007, 2009by Seiko Instruments Inc.
All rights reserved.
Seiko Instruments Inc. (SII) has prepared this User’s Guide for use by SII personnel,
licensees, and customers. The information contained herein is the property of SII andshall not be reproduced in whole or in part without the prior written approval of SII.
SII reserves the right to make changes without notice to the specifications andmaterials contained herein and shall not be responsible for any damages (including
consequential) caused by reliance on the materials presented, including but notlimited to typographical, arithmetic, or listing errors.
is a trademark of Seiko Instruments Inc.
All other trademarks are the properties of their respective companies.
This product complies with EU RoHS Directive(2002/95/EC).
For use in Turkey
Complies with Electrical and Electronic Equipment Directive.
Türkiye’ deki Kullanclar için
EEE Yönetmeliine Uygundur.
Notice:This equipment has been tested and found to comply with the limits for a ClassA digital device, pursuant to Part 15 of the FCC Rules. These limits aredesigned to provide reasonable protection against harmful interference whenthe equipment is operated in a commercial environment. This equipment
generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmfulinterference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user
will be required to correct the interference at his own expense.
Warning:
This is a Class A product. In a domestic environment this product may causeradio interference in which case the user may be required to take adequate
measures.

Applicable EC Directives and Standards
Product: Thermal Printer DPU-E247
Directive: 2004/108/EC Title: EC Electromagnetic Compatibility Directive
Standards
EMI:
EN55022
EN61000-3-2
EN61000-3-3
EMS:
EN55024
Product: AC Adapter PW-E024-W3-E
Directive: 2006/95/EC
Title: EC Low Voltage Directive
Standards
LVD:
EN60950-1

INTRODUCTION
Thank you for purchasing DPU-E247 thermal printer.
User’s Guide applies to the DPU-E247 thermal printer (hereafter refered to as a printer).
Read through the Safety Precautions on pages 2 to 6 carefully before using the printer.
Also read the instruction manuals of the optional equipment that you purchased with theprinter.
Keep this user’s guide in a place where it can be accessed quickly.
The User’s Guide consists of the following sections.

SAFETY PRECAUTIONS ..............................................................................2
OPERATING PRECAUTIONS.......................................................................5
1

PREPARATION....................................................................................7

2

PART NAMES ......................................................................................83

POWER CONNECTION .....................................................................10

4

PAPER SETTING...............................................................................12

5

TEST PRINTING ................................................................................15

6

CONNECTING TO THE HOST COMPUTER.....................................16

7

THERMAL HEAD MAINTENANCE ....................................................17

8

TROUBLESHOOTING........................................................................18

9

SPECIFICATIONS..............................................................................19

10

OPTIONS AND CONSUMABLE PARTS............................................20

For more detailed technical information on this printer, see the DPU-E247 THERMALPRINTER TECHNICAL REFERENCE.

-1-

SAFETY PRECAUTIONS
The following symbols are used in this User’s Guide to denote the proper and safe useof the printer and to prevent damage.
Follow the instructions marked with the symbol.
Failure to follow the guidelines marked with thisWARNING symbol could result in severe personal injury or
death.
Failure to follow the guidelines marked with thisCAUTIONsymbol could result in minor personal injury or
product and/or peripheral damage.

Symbol Examples
The symbol

denotes items reguiring special caution when using theprinter.
The example on the left indicates warning or caution.
The symbol

denotes actions that are prohibited.

The example on the left means do not disassemble or try to repair theitem denoted.
The symbol

denotes actions that most be done for the printer tooperate properly.
The example on the left means unplug the power cable from the outlet.

-2-

WARNING
DO NOT use AC adapter and AC Cable other than that which is
specified. Doing so may cause fire leading to serious accidents.
DO NOT use the printer, AC adapter and AC cable in the country which
has not complied with regulations. Doing so, we do not assure the safetyof these products and you will be responsible for violation of regulations.
DO NOT bend the power cable forcibly, or place heavy objects on thecable because it might damage the cable and cause fire or electric
shock. If the power cable is damaged, discontinue use and replace it
immediately.
DO NOT disassemble the AC adapter because it may cause the AC
adapter to heat up, catch fire, and get an electric shock leading to otherserious accidents.

-3-

CAUTION
This printer is not designed to be dust-proof or water-proof. DO NOT
drop any metallic objects or liquids, such as water or coffee, into theprinter.
DO NOT disassemble or remodel the printer. DO NOT REPAIR THE
PRINTER YOURSELF. Doing so may cause fire, electric shock or otheraccidents.
Never use the printer in a place of extreme humidity or any place where it
can possibly be splashed by any liquids. If any liquids get into the printer,it could lead to fire, electric shock, or other serious accidents.
Never touch the thermal head immediately after printing because it
becomes very hot. Make sure that the thermal head is cool before
clearing a paper jam or cleaning the thermal head.
Thermal head is a precision part. DO NOT touch it directly. Doing so
may cause defectiveness of it.
Be sure to hold the connector part of the power cable or interface cablewhen disconnecting the cable. Pulling on the cable portion may cause it
to fray and break.
Unplug the AC plug from the outlet before plugging or unplugging the DC
plug of the AC adapter.
Power OFF the printer, unplug the power cable from the power outlet inany of the following cases:u

The printer does not recover from an error.

u

Smoke, strange noise or smells erupt from the printer.

u

A piece of metal or any liquid touches the internal parts or slot of theprinter.

Using the printer in any manner other than that for which it was designed
may cause accidents or fire.

-4-

OPERATING PRECAUTIONS
Please follow the precautions below to enjoy and maintain the full performance of theprinter.

 Using the Printeru

Be careful not to drop or bump the printer on a hard surface.

u

DO NOT install the printer in direct sunlight or such areas. Suitable environment for
the use of the printer is as follows:· Ambient temperature: 41°F to 104°F (5°C to 40°C)· Relative humidity: 30 to 80%RH (noncondensing)u

DO NOT install the printer near devices that generate strong electromagnetic fields
such as a copy machine.

u

DO NOT connect the AC cables of the AC adapter to the same outlet with devices
that generate noise.

u

DO NOT operate the platen release lever during printing.

u

DO NOT remove or reinstall the interface cable during printing or transmission. DO
NOT touch the connectors of the interface cable during printing.

u

Switch the power off when not in use.
Unplug the AC cable from the outlet when the printer is not used for longtime.

u

Clean the printer using soft, lint-free cloth. Do not use alcohol or other solvent.

u

Before use, always clean the terminals using a dry, soft, lint-free cloth. If theterminals are dirty, it may not be possible to obtain proper contact.

u

The AC adapter may become warm when in use. This is normal and is not a
malfunction.

-5- Thermal Paper HandlinguStore the thermal paper in a cool, dry, and dark place.

u

Do not rub the paper with hard objects.

u

Do not leave the paper near organic solvents.

u

Do not allow plastic film, erasers, or adhesive tape to touch the paper for long
periods.

u

Do not stack the thermal paper with diazo copies immediately after copying or wettype copies.

u

Do not use chemical glue.

u

Always use the specified thermal paper.

See “Section 10, Options andConsumable Parts”, for details.

 Notations Used in this User’s Guide
The following two types of notations are used throughout this User’s Guide to denote
items of caution and items to remember:
NOTE
u Operation Precautions

This box contains items that when not followed may lead to a malfunction or to a
deterioration of performance.
HINT• Items To Remember

This box contains helpful hints to remember when using the printer.

-6-

1 PREPARATIONOpen the carton and make sure it contains the printer and all of the accessories.
Remove the cushion before using the printer by pulling it straight up as shown below.

CUSHION

User’s Guide (this document)x U000327993XX<1>
Printerx DPU-E247-10S-E(serial RS-232C interface)x DPU-E247-10P-E (parallel IEEE1284 interface)<Select one>
The followings are available as options:

Specified AC cablex CB-JP05-20A-E

 x CB-A03-U3-E

 x CB-A01-E1-E, CB-A01-E3-E<Select one>Specified AC adapter
x PW-E024-W3-E

Thermal paper rollx TP-E23C-1

Keep the package and packing materials for future transportation or long-term storage.
The AC cable is not bundled with the AC adapter and must be ordered separately.
Please be sure to purchase SII specified options.
In such case, see the list of "10 OPTIONS AND CONSUMABLE PARTS" and use themin the country which has complied with regulations.

-7-2 PART NAMES
(4)

(5)

(3)

(6)

(7)
(9)

(1)

(12) (11) (10) (8)(2)

FRONT VIEWBACK VIEW(13)

BOTTOM VIEW

(14)(1) POWER button(5) ONLINE lamp
The POWER button turns the printer ON The ONLINE lamp lights when the printeror OFF.
is ready to print. The ONLINE lamp
flashes when there becomes a little(2) FEED button
residual quantity of paper roll. See “Lamp
When this button is held down, the paper
Display” on the next page for details.
is fed continuously.
(3) POWER lamp
The POWER lamp lights when the printerturns on. See the “Lamp Display” on thenext page for details.

(6) Memo window
Use this window when writing a memo on
the print paper additionally. To prevent
paper jams, do not write directly on thepaper during printing.

(4) ERROR lamp
The ERROR lamp lights when something iswrong with the printer. See the “Lamp
Display” on the next page for details.

-8-(7) Top case(11) Near-end detector adjustment
screw

Open the top case when mounting a paper

The near-end detector adjustment screw

roll and cleaning the thermal head.

adjusts the detector position for detecting
the amount.

(8) Platen release lever(9) Write stand (Platen holder)Turn the platen release lever (8) forward to (12) Spoolmove the write stand (9) and detach the The spool winds up printed paper.
platen from the thermal head whenreplacing a paper roll and cleaning the (13) Power supply connector
thermal head.

Connects with an AC adapter.

(10) Thermal head(14) Interface connector

The thermal head prints characters on the Connects with the interface cable.
paper. It is very hot immediately after
printing.

LED Lamp
Lamp display

POWER lamp

ONLINE lamp

ERROR lamp

Power OFFPower ON (standby mode)
Near-end

Off
On
On

Off
On
Blink

Off
Off
Off

Paper-out, top case open,
platen release lever failure

On

Off

On

-9-

3 POWER CONNECTION
 Connecting the AC adapter(1) Insert the DC plug of the AC adapter into the power connector of the printer.
(2) Fix the DC cable to the cable clamp.
(3) Connect the AC cable to the AC adapter.
(4) Insert the AC plug of the AC cable into an electric outlet.
POWER CONNECTOR(4)DC PLUG(1)

ELECTRIC OUTLETPRINTER(3)

AC ADAPTER
AC CABLE(2)CABLE CLAMPNOTE
 Unplug the AC plug from the electric outlet when plugging or unplugging
the DC plug.
 When the printer is not used for a long time, unplug the AC cable fromthe outlet.
Detach the AC adapter with the following procedures.
(1) Turn the power switch OFF.
(2) Detach the AC plug of the AC cable from the electric outlet.
(3) Detach the DC cable from the cable clamp.
(4) Pull out the DC plug from the printer.

- 10 -

 Turnning the Printer ON or OFF
Turn the printer on or off with the POWER button.
HINT• The printer can be set to turn ON at the same time as power is supplied
to the AC Adapter. See DPU-E247 THERMAL PRINTER TECHNICALREFERENCE in details.
• The time between when the POWER button is pressed and the printerturns off can be controlled to prevent inproper operation of the printer.
See DPU-E247 THERMAL PRINTER TECHNICAL REFERENCE in
details.

- 11 -

4 PAPER SETTING
Prepare a paper roll to use in the printer. See “10, OPTIONS AND CONSUMABLE
PARTS” about what kind of paper to use.
NOTE
 Always use paper that fits the specifications.
 Do not use a paper roll where the core and paper are not glued together.
Doing so may cause trouble during printing.

 Setting the Paper Roll
(1) Turn the printer on. The POWER and ERRORWRITE STAND

lamps will light.
(2) Open the top case and turn the green platen(2)

release lever forward to move the write stand awayfrom the thermal head in order to mount a paperroll.
(3) Mount the paper roll as shown in the figure.

PLATEN RELEASE LEVER

NOTE
(3)

Make sure the paper
unwinds from thebottom.
Make sure the paper iscut at a right angle asshown in the figure.
PAPER GUIDE(4) Draw paper through as shown in the figure. Confirm
that there is paper between the black paper guides
and close the write stand. If the paper is set properly,
the printer will start feeding it automatically.
PAPER GUIDE- 12 -NOTE
 Make sure the paper is drawn straight through the printer. If it is drawn
diagonally, it could cause a problem.

HINT• Automatic paper feed can be controlled. See DPU-E247 TERMALPRINTER TECHNICAL REFERENCE in details.

(5) After automatic paper feed, insert the leadingedge of the slit on the spool, wind paper morethan 2 times to make sure the paper is wound

SPOOL

tight, and place the spool back into the printer. If
there seems to be slack in the paper, push the
FEED button to remove the slack.

SLIT

SHAFT OF THE SPOOLFEED BUTTON

FE

ON

LIN

WER
PO

E

R
RO
ER

(6) Close the top case and confirm that the
ERROR lamp is not on.

- 13 -

ED Removing Paper from the Printer(1) Open the top case of the printer.
(2) Turn the green platen release lever forward
move

the

write

stand

away

PAPER CUT POSITION
to

from

the thermal head.
(3) Cut the paper at the position shown in the
figure.
(4) Remove the paper roll.

 Adjusting the Paper Near-end Detector
Read the following when use paper near-end detection.
NOTE
 Use a paper roll with a inner / outer diameter of 12 mm / 18 mm forcorrect paper near-end detection.
PAPER NEAR-END
ADJUSTMENT SCREW(1) Open the top case of the printer.
(2) If there is a paper roll in the printer, remove it.
(3) Loosen the paper near-end adjustment screw
using a coin and select an α (α includes the paper

#5
#4
#3
#2
#1

core) value for residual paper quantily from the list
shown below.
Scale αAdjustment
position

Paper residual
quantity

18 mm

#1

0m

22 mm

#2

1.7 m

26 mm

#3

3.7 m

30 mm

#4

6.1 m

34 mm

#5

8.7 m

(4) Set the paper near-end detector to the desired α
position and tighten the paper near-end adjustment
screw.
- 14 -SCALE α5 TEST PRINTING
After loading paper in the printer, perform a test print. In the test print, the printer'sfunction settings and character strings are printed.
(1) Make sure that paper is loaded in the printer and the printer is off. If paper is notloaded in the printer, load paper according to the instructions shown in “4, PAPERSETTING” and turn off the printer.
(2) Press the POWER and FEED buttons at the same time.
(3) Several dozen lines of text are printed. After the start of test printing, release the
POWER and FEED buttons.
Journal Printer
DPU-E247 [ Ver.*.** ]**.***.****
Copyright (C) : SII***************************.
.
.
Test Printing Sample(4) After test printing, the printer goes into standby mode.
NOTE If you press and hold the FEED button during test printing, the printergoes into function setting mode. Do not push the FEED button during
test printing unless you want set the function.
 For a detaited explanation about function setting mode, see DPU-E247
THERMAL PRINTER TECHNICAL REFERENCE.

- 15 -

6 CONNECTING TO THE HOST COMPUTER
Prepare an interface cable according to the host device. For details of the interface thatspecification fitted an interface connector, see “9 SPECIFICATIONS”.

 Connecting the Interface Cable

NOTE
 When connecting or disconnecting the interface cable, hold theconnector, not the cable.
 When removing or installing the interface cable, turn the printer off.
INTERFACE CONNECTOR
NOTCH(1) Turn the printer OFF.
(2) Connect the interface cable that specification
fitted an interface connector.
(3) Pass the cable through the right or left notch inthe printer case.

NOTCH(4) Turn the printer on and send data from the hostcomputer to the printer.
(5) Verify that the data is printed correctly.
(6) Always, lock the iterface cable connector with the latch to prevent disconnection of
the cable.

- 16 -

7 THERMAL HEAD MAINTENANCE
The thermal head of the printer does not usually require user maintenance.
If paper powder accumulates, clean the thermal head to maintain maximum print
quality.

 Cleaning the Thermal Head
THERMAL HEAD

(1) Turn off the printer.
(2) Open the top case of the printer and turn thegreen platen release lever forward to expose
the thermal head.
(3) Clean the thermal head with a cotton swab
moistened with a small amount of ethyl
alcohol.
(4) Wait until any ethyl alcohol remaining on thethermal head evaporates completely, thenclose the writing stand.
NOTE Clean the thermal head after it cools.
 Wipe the thermal head with a cotton swab or other soft material.

- 17 -

8 TROUBLESHOOTING
Check the following points before you make a request for repair.

 The power does not turn on.
• Is the recommended AC adapter being used ?
• Are the AC cable and AC adapter connected correctly ?
• Is the AC adapter connected to the printer correctly ?

 The printer does not print.
• Is the interface cable connected correctly?
• Is the interface cable that meets the interface specification listed on page 19 of theUser’s Guide being used ?
• Do the communication conditions with the host device fit the printer?
• Is the recommended paper being used ? Is the paper orientation (face / back)correct ?

 The ERROR lamp is lit.
• See the Lamp Display on page 9.
• Is the top case closed closely ?
• Is the write stand in the fixed positioned?

- 18 -

9 SPECIFICATIONS Printer Specifications
Item• Connector signals

Specification

Printing method
ThermalCharacters per line 27*1
Character size (H × W)
Standard size:
Kanji size:*2*3

Signal name

1
2
3
4
5
6
7
8
9

N.C.
TXD
RXD
DSR
GND
DTR
CTS
RTS
N.C.

24 dots × 12 dots
16 dots × 8 dots
24 dots × 24 dots
16 dots × 16 dots

Dots available
432 dots
Dot density
8 dots/mm
Printing width/paper width 54/58mm
Printing speed
Maximum 90 mm/second
Operating temperature
41°F to 104°F
5°C to 40°C
Related humidity
30% to 80%RH(no condensation dew)
Dimensions (W × D × H)
119.9 × 255 × 145.5mm*2
WeightApprox. 1.3 kg (main unit only)
Regulation The printer complies with*3
regulation in following countries.
USA, Canada, Japan, EU*1

Pin No.

•DPU-E247-10P-E• Parallel Interface (Conforms to IEEE1284)
Printer connector:
conforms to 36 pin Centronics
specification connector• Connector signals

Pin No.

Signal name

1
2-9
10
11
12
13
14
15
16
17
18
19-30
31

STROBEDATA1-8
ACK
BUSYPE
SELECTEDAUTOFEED XT
N.C.
GND
CHASSIS GND
N.C.
GND
INIT

32
33
34
35
36

ERROR
GND
N.C.
+5V
SELECT IN

Standard size characters, 4 dots between
characters
Excluding projections
Please ask if the printer can use in other thancountries above to our sales representative.

 Interface Specifications•DPU-E247-10S-E• Serial interface (Conforms to RS-232C)
Printer connector:
Dsub 9 pin (female) inch based screw fit- 19 -

10 OPTIONS AND CONSUMABLE PARTS Specified AC adapter(Model:PW-E024-W3-E)

 Paper (Model: TP-E23C-1)

Item

Stencil paper number
PD160R-N (Oji Paper Co., Ltd.)
Paper width 58 mm
Dimensions (Paper roll diameter)
80 mm (maximum 81 mm)
Diameter of paper roll core
Inter diameter 12 mm,
outer diameter 18 mm

Item

Specification

Input voltage
AC100-240V, 50/60 Hz
Rated output
DC24V, 2.5 A
Operating
32 qF to 104 qF
temperature
0 qC to 40 qC
Dimensions (W  D  H)
1246028.3mm*1
WeightApprox. 260g
Regulations The AC adapter complies
with regulation in following countries.*2
USA, Canada, Japan, EU

Specification

If the recommended paper is not used, theprint quality or the thermal head life may be
below product specifications.

*1 Excluding power cable*2 Please ask if the AC adapter can use inother than countries above to our sales
representative.

 Specified AC cable
Model

Specification

CB-JP05-20A-E for Japan*1, 2m
CB-A03-U3-E
for USA*1, 2m
CB-A01-E1-E
for Europe*1, 2m
CB-A01-E3-E
for Europe*1, 2m*1 Please ask if the AC cable can use in otherthan countries above to our sales
representative.

- 20 -

Seiko Instruments Inc.
8, Nakase 1-chome, Mihama-ku
Chiba-shi, Chiba 261-8507, Japan
Print System Division
Telephone: +81-43-211-1106
Facsimile: +81-43-211-8037
Seiko Instruments USA Inc.
Thermal Printer Div.
2990. Lomita Blvd., Torrance CA 90505, USA
Telephone:+1-310-517-7778 Facsimile:+1-310-517-8154
Seiko Instruments GmbH
Siemensstrasse 9, D-63263 Neu-lsenburg, Germany
Telephone:+49-6102-297-0 Facsimile:+49-6102-297-222
Seiko Instruments (H.K.) Ltd.
4-5/F, Wyler Centre 2,200 Tai Lin Pai Road, Kwai Chung, N.T., Kowloon,
Hong Kong
Telephone:+852-2494-5160 Facsimile:+852-2424-0901(Specifications are subject to change without notice.)