Epson U375 - TM B/W Dot-matrix Printer User manual

TM-U375/U375P
User’s Manual
400391309

Printer Part Names
(1)
Printer cover
(2)
Control panel
(3)
Power switch
(4)
Take-up spool
(5)
Display module connector
(6)
Interface connector
(7)
Drawer kick-out connector
(8)
Power connector
(9)
DIP switches (under a cover)
(10)
Cover open recess
Control Panel
VALIDATION/SLIP

i
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system,
or transmitted in any form or by any means, electronic, mechanical, photocopying, recording,
or otherwise, without the prior written permission of Seiko Epson Corporation. No patent
liability is assumed with respect to the use of the information contained herein. While every
precaution has been taken in the preparation of this book, Seiko Epson Corporation assumes no
responsibility for errors or omissions. Neither is any liability assumed for damages resulting
from the use of the information contained herein.
Neither Seiko Epson Corporation nor its affiliates shall be liable to the purchaser of this product
or third parties for damages, losses, costs, or expenses incurred by purchaser or third parties as
a result of: accident, misuse, or abuse of this product or unauthorized modifications, repairs, or
alterations to this product, or (excluding the U.S.) failure to strictly comply with Seiko Epson
Corporation’s operating and maintenance instructions.
Seiko Epson Corporation shall not be liable against any damages or problems arising from the
use of any options or any consumable products other than those designated as Original Epson
Products or Epson Approved Products by Seiko Epson Corporation.
EPSON and ESC/POS are registered trademarks of Seiko Epson Corporation in Japan and
other countries/regions.
NOTICE: The contents of this manual are subject to change without notice.
Copyright © 1995 by Seiko Epson Corporation, Nagano, Japan.

ii
Standards and Approvals
The following standards are applied only to the printers that are so labeled. (EMC is tested using the
Epson power supplies.)
Europe: CE marking
North America: FCC/ICES-003 Class A
Oceania: AS/NZS CISPR22 Class A
WARNING
This is a Class A product. In a domestic environment this product may cause radio interference in
which case the user may be required to take adequate measures.
The connection of a non-shielded printer interface cable to this printer will invalidate the EMC
standards of this device.
You are cautioned that changes or modifications not expressly approved by Seiko Epson Corporation
could void your authority to operate the equipment.
CE marking
The printer conforms to the following Directives and Norms:
Directive 2004/108/EC
EN 55022 Class A
EN 55024
IEC 61000-4-2 IEC 61000-4-5
IEC 61000-4-3 IEC 61000-4-6
IEC 61000-4-4 IEC 61000-4-11
FCC Compliance Statement for American Users
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the 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 harmful interference 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.
For Canadian Users
This Class A digital apparatus complies with Canadian ICES-003.
À l'intention des utilisateurs canadiens
Cet appareil numér ique de classe A est conforme à la norme canadienne NMB-003.
Restriction of Use
When this product is used for applications requiring high reliability/safety,
such as transportation devices related to aviation, rail, marine, automotive,
etc.; disaster prevention devices; various safety devices, etc.; or functional/
precision devices, etc.; you should use this product only after giving
consideration to including fail-safes and redundancies into your design to
maintain safety and total system reliability. Because this product was not
intended for use in applications requiring extremely high reliability/safety,
such as aerospace equipment, main communication equipment, nuclear power
control equipment, or medical equipment related to direct medical care, etc.,
please make your own judgment on this product’s suitability after a full
evaluation.

Introduction
Features
The TM-U375 and TM-U375P are high-performance POS printers which
handle slip, validation, and journal printing (both journal and receipt
printing with pressure-sensitive paper) in a single unit. The main features
of the TM-U375 and
TM-U375P printers are as follows:
0 World’s smallest multi-function 1.5 station printer.
Ci High-speed printing using logic seeking.
0 Easy problem handling (e.g., paper jams or objects dropped into the
printer) via a clamshell mechanism.
a Two validation/slip paper entrances: from above for validation paper
and from the front for slip paper.
UFree-format printing in page mode.
QVarious check printing pattern.
Cl Logic seeking and page mode for check printing.
Ct Movable platen for easy paper insertion.
Cl Paper load switch for easy paper roll loading.
Cl Control capability for two drawers.
a Selectable character size (7 x 9 font or 5 x 9 font).
QCommand protocol based on the ESC/POS@ standard.
Q ASB (Automatic Status Back) function that automatically transmits
printer status changes.
Q EPSON® intelligent moduleconnection (for the TM-U375 only).
Cl EPSON display module series connection (for the TM-U375 only).
Ct Bidirectional parallel interface in accordance with the IEEE 1284
Nibbe/Byte Modes.
About This Manual
Setting up and Using
El Chapter 1 contains information on unpacking the printer, setting it up,
setting the DIP switches, and adjusting the paper near end detector.
CI Chapter 2 contains information on using the printer.
LI Chapter 3 contains troubleshooting information.
iii

Reference
Cl Chapter 4 contains specifications.
Notes, Cautions, and Warnings
0
%
Note:
Notes have important information and useful tips on the operation
of your printer.
Cautions must be observed to avoid minor injury to
yourself or damage to your equipment.
Warnings must be followed carefully to avoid serious
bodily injury.
iv
CAUTION:
WARNING:

Contents
Chapter 1Setting Up the Printer
Unpacking....................................................l-2
Removing the Protective Materials.................................l-2
Connecting the Printer to Your Computer............................l-4
Downloading Drivers, Utilities, and Manuals............................l-4
Connecting the Printer to Your Drawer..............................l-6
Anschließen des Druckers an Ihre Geldladee..........................l-8
Connecting the Printer to Your Direct Connection Display Module
(For the TM-U375 only)..........
1-10
Grounding the Printer............................................l-11
Connecting the Power Supply.....................................1-12
Installing the Ribbon Cassette.....................................
1-14
Installing the Paper Roll..........................................
1-16
Running the Self-test.............................................
1-18
Running the self-test with paper roll.......................... 1-18
Running the self-test with the slip paper....................... 1-18
Running the self-test with validation paper..................... l-19
Setting the DIP Switches.........................................
l-20
TM-U375 DIP-switch functions..............................l-21
TM-U375P DIP-switch functions.............................l-22
Adjusting the Paper Roll End Sensing Position.......................l-23
Using the Power Switch Cover....................................l-25
Chapter 2Using the Printer
Operating the Control Panel .....................................
Buttons................................................
Indicator lights..........................................
Slip Paper Handling............................................
Validation Paper Handling.......................................
Replacing the Paper Roll........................................
Replacing the Ribbon Cassett
Aerosol sprayer caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
e...................................
Removing the ribbon cassette. ..............................
.
Installing the ribbon cassette .............................. .
2-2
2-2
2-2
2-4
2-4
2-5
2-6
2-7
2-8
v

Chapter 3 Troubleshooting
Troubleshooting................................................
3-2
General problems......................................... 3-2
Printing problems......................................... 3-2
Paper handling problems...................................
3-4
Hexadecimal Dumping...........................................
3-6
Starting hexadecimal dumping...............................
3-6
Ending hexadecimal dumping...............................
3-7
Chapter 4 Reference Information
Printing Specifications........................................... 4-2
Character Specifications......................................... 4-2
Paper Specifications.............................................
4-3
Electrical Specifications..........................................
4-6
Electrostatic Protection (measured based on the IEC801-2 test conditions) . 4-6
Reliability..................................................... 4-6
Environmental Specifications.....................................
4-7
Interface Specifications.......................................... 4-8
Printing on Cut Sheets...........................................
4-8
Example print control for cut sheet...........................
4- 10
Transmit Status Identificationn.....................................
4-11
Notes On Number of Printable Columns.............................
4-12
vi
--

Chapter 1
Setting Up the Printer
Setting Up the Printer 1-1

Unpacking
The illustration below shows the items included for the standard
specification printer.
Take-up spool Paper roll (1
pc)
Ribbon cassette
Power switch cover
Removing the Protective Materials
The printer is protected during shipping by protective materials that must
be removed before you turn on the printer.
1. Loosen the screw and remove the protective material A from the
printer, as the illustration shows on page 1-3.
1-2 Setting Up the Printer

Protective material
,
%
Note:
Store
the protective material A on the back of the printer, following
the steps below.
1.Insert the projections on the protective material A into the
corresponding holes as the illustration below.
2.
Tighten the screw.
Protective material A
I
Q&l
Note:
Put
the protective material A back in its original position if you ever
ship or store your printer.
Setting Up the Printer
1-3

2. Remove the protective materials
and
C as the illustration. Protective material
B
C
,
Qh
Note:
Put the protective materials
B and C back in their original
position if you ever ship or
store your printer.
C
Connecting the Printer to Your Computer
TM-U375
Follow the procedures below only when you use the printer as a single unit
(not connected to an intelligent module). When you use the printer with the
intelligent module, refer to the IT-U Series User’s Manual for details.
You need an appropriate serial interface cable to connect your computer to
the printer’s built-in interface.
1. Make sure that both the printer and computer are turned off; then plug
the cable connector securely into the printer’s interface connector.
2. Tighten the screws on both sides of the cable connector.
1-4 Setting Up the Printer
Downloading Drivers, Utilities, and Manuals
Drivers, utilities, and manuals can be downloaded from one of the following
URLs.
For customers in North America, go to the following web site:
http://www.epsonexpert.com/ and follow the on-screen instructions.
For customers in other countries, go to the following web site:
http://www.epson-pos.com/

Your printer comes with inch-type hexagonal lock
screws
installed. If you plan to use an interface cable that requires
millimeter-type lock screws, replace the inch-type screws with
the millimeter-type screws by using a hex screwdriver
(5 mm). To distinguish the two types of screws, see the figure
below.
Notch (one or more lines)
Inch-type Millimeter-type
3. Plug the other end of the cable into the computer.
TM-U375P
You need an appropriate parallel interface cable to connect your computer
to the printer.
1. Make sure that the printer and the computer are turned off.
Then plug the cable into the connector on the printer, as shown.
Setting Up the Printer 1-5

*
%A
Note:
Squeeze the wire clips on the printer
together until they lock in
place on
both sides of the connector.
2. Connect the other end of the cable to the connector on your computer.
Connecting the Printer to Your Drawer
Follow the procedures below to connect a drawer to the printer only when
you use the printer as a single unit (not connected to an intelligent module).
(Intelligent module connection is available only for the TM-U375.) When
you use the TM-U375 with the intelligent module, refer to the IT-U Series
User’s Manual for details.
Use adrawer that matches the printer specification.
Using an improper drawer may damage the drawer as
well as the printer.
1. Make sure that the printer is turned off.
2. Plug the cable connector securely into the printer’s drawer kick-out
connector until it clicks.
1-6Setting Up the Printer

TM-U375
TM-U375P
A CAUTIONS:
1. Do not connect atelephone line to the drawer kick
out connector.
2.
Do not confuse the drawer kick out connector and
the
display module connector.
Setting Up the Printer 1-7

Anschließen des Druckers an lhre Geldlade
Verfahren Sie wie im folgenden beschrieben, um eine Geldlade an den
Drucker anzuschließen, aber nur, wenn der Drucker als Einzeleinheit (nicht
angeschlossen an ein intelligentes Modul) betrieben wird. Einzelheiten
betr. Verwendung des Druckers mit einem intelligenten Modul siehe
Betriebsanleitung der IT-U Serie.
A ACHTUNG:
Nur eine Geldlade verwenden, die der
Druckerspezifikation entsprich t. Bei Verwendung einer
ungeeigneten Geldlade kann sowohl die Geldlade als
such der Drucker beschäaligt werden.
1. Stellen Sie sicher, daß der Drucker ausgeschaltet ist.
2. Stecken Sie den Kabelsteckverbinder fest in den Auszug-
Steckverbinder am Drucker ein, bis er hörbar einrastet.
TM-U375
1-8
Setting Up the Printer

TM-U375P
A ACHTUNG:
1. Am Auszug-Steckverbinder für die Geldlade keine
Telefonleitunganschließen.
2.
N icht den Auszug-Steckverbinder für die Geldlade
und
den Displaymodul-Steckverbinder vetwechseln.
Setting Up the Printer
1-9

Connecting the Printer to Your Direct Connection Display
Module (For the TM-U375 only)
Follow the procedures below to connect a direct connection display
module to the printer only when you use the printer as a single unit (not
connected to an intelligent module). When you use the printer with the
intelligent module, refer to the IT-U Series User’s Manual for details.
1. Make sure that the printer is turned off.
2. Plug the cable connector (provided with the direct connection display
module) securely into the printer’s display module connector until it
clicks.
TM-U375
A CAUTIONS:
1. Do not connect atelephone line to the drawer kick
out connector.
2. Do not confuse the drawer kick out connector and
the
display module connector.
3. Never connect any product other than the display
module to the DM connector.
4. If you connect any product other than the display
module to the DM connector, Seiko Epson
Corporation
is not liable for any damage to the other
product or to the TM-U375 itself.
1-10 Setting Up the Printer

Grounding the Printer
When you use the printer as a single unit (not connected to an intelligent
module), you need to ground your printer. (Intelligent module connection
is available for the TM-U375 only.)
Recommended wire is described below.
Thickness of wire
: AWG18 or equivalent
Diameter of terminal to be attached
: 3.2
1. Make sure that the printer is turned off.
2. Connect the ground wire to the ground connector (marked FG) on the
bottom of the printer with the screw provided on the printer.
Alternatively, another screw located beside the power connector on the
TM-U375P can be used to connect the ground wire.
TM-U375
Setting Up the Printer 1-11

TM-U375P
3. Ground the other end of the ground wire.
Connecting the Power Supply
When the printer is used as a single unit, not connected to an intelligent
module, use the specified EPSON power supply for your printer.
When the printer is connected to an intelligent module, the power is
supplied by the intelligent module. Refer to the IT-U Series User’s Manual
for details. (Intelligent module connection is available for the TM-U375
only.)
Using an incorrect power supply may cause fire or
electrical
shock.
When
connecting or disconnecting the power supply
from the printer,
make sure that the power supply is not
plugged
in to an electrical outlet; otherwise you may
damage the
power supply or the printer.
1. Make sure that the printer’s power switch is turned off, and that the
power supply’s power cord is unplugged from the electrical outlet.
1-12
Setting Up the Printer