CITIZEN CT-S281 User Manual
LINE THERMAL PRINTER
FEED
MODEL CT-S281
User’s Manual
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Declaration of Conformity
This printer conforms to the following Standards:
The Low Voltage Directive 2006/95/EC, the EMC Directive 2004/108/EC, the RoHS
Directive 2002/95/EC, and the WEEE Directive 2002/96/EC.
LVD:EN60950-1
EMC : EN55022 Class B
EN61000-3-2
EN61000-3-3
EN55024
This declaration applies only to the 230-V model.
CITIZEN is a registered trade mark of Citizen Holdings Co., Japan
CITIZEN es una marca registrada de Citizen Holdings Co., Japón
Company names and product names in this manual are trademarks or
registered trademarks of relevant companies.
Copyright c 2010 by CITIZEN SYSTEMS JAPAN CO., LTD.
IMPORTANT: This equipment generates, uses, and can radiate radio frequency energy
and if not installed and used in accordance with the instruction manual, may cause
interference to radio communications. It has been tested and found to comply with
the limits for a Class B computing device pursuant to Subpart J of Part 15 of FCC
Rules, which are designed to provide reasonable protection against such interference
when operated in a commercial environment. Operation of this equipment in a
residential area is likely to cause interference, in which case the user at his own
expense will be required to take whatever measures may be necessary to correct
the interference.
CAUTION: Use shielded cable for this equipment.
Sicherheitshinweis
Die Steckdose zum Anschluß dieses Druckers muß nahe dem Gerät angebracht und
leicht zugänglich sein.
For Uses in Canada
This digital apparatus does not exceed the class B limits for radio noise emissions
from digital apparatus, as set out in the radio interference regulations of the Canadian
department of communications.
Pour L’utilisateurs Canadiens
Cet appareil numérique ne dépasse pas les limites de carégorie a pour les émissions
de bruit radio émanant d’appareils numériques, tel que prévu dans les réglements
sur l’interférence radio du départment Canadien des communications.
GENERAL PRECAUTIONS
● Before using this product, be sure to read through this manual. After having read
this manual, keep it in a safe, readily accessible place for future reference.
● The information contained herein is subject to change without prior notice.
● Reproduction or transfer of part or all of this document in any means is prohibited
without permission from CITIZEN SYSTEMS.
● Note that CITIZEN SYSTEMS is not responsible for any operation results regardless
of missing, error, or misprinting in this manual.
● Note that CITIZEN SYSTEMS is not responsible for any trouble caused as a result
of using options or consumables that are not specified in this manual.
● Except explained elsewhere in this manual, do not attempt to service, disassemble,
or repair this product.
● Note that CITIZEN SYSTEMS is not responsible for any damage attributable to
incorrect operation/handling or improper operating environments that are not
specified in this manual.
● Data are basically for temporary use, not stored for a long period or permanently.
Please note that CITIZEN SYSTEMS is not responsible for damage or lost profit
resulting from the loss of data caused by accidents, repairs, tests or other
occurrence.
● If you find loss of information, error, or uncertain matter, please contact your
CITIZEN SYSTEMS dealer.
● If you find any disordered or missing page(s), contact your CITIZEN SYSTEMS
dealer for replacement.
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SAFETY PRECAUTIONS ... WHICH SHOULD BE STRICTLY OBSERVED
Before using this product for the first time, carefully read these SAFETY PRECAUTIONS.
Improper handling may result in accidents (fire, electric shock or injury).
In order to prevent injury to operators, third parties, or damage to property, special
warning symbols are used in the User’s Manual to indicate important items to be strictly
observed.
● After having read this Manual, keep it in a safe, readily accessible place for future
reference.
● Some of the descriptions contained in this manual may not be relevant to some printer
models.
The following describes the degree of hazard and damage that could occur if the printer
is improperly operated by ignoring the instructions indicated by the warning symbols.
WARNING
Neglecting precautions indicated by this symbol may result in fatal or serious injury.
CAUTION
Neglecting precautions indicated by this symbol may result in injury or damage to
properties.
This symbol is used to alert your attention to important items.
This symbol is used to alert you to the danger of electric shock or electrostatic
damage.
This symbol denotes a request to unplug the printer from the wall outlet.
This symbol is used to indicate useful information, such as procedures, instructions
or the like.
This symbol is used to indicate prohibited actions.
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PRECAUTIONS ON PRINTER INSTALLATION
WARNING
■ Do not use or store this product in a place where it will be exposed
to:
* Flames or moist air.
* Direct sunlight.
* Hot airflow or radiation from a heating device.
* Salty air or corrosive gases.
* Ill-ventilated atmosphere.
* Chemical reactions in a laboratory.
* Airborne oil, steel particles, or dust.
* Static electricity or strong magnetic field.
• Neglecting these warnings may result in printer failure, overheating,
emission of smoke, fire, or electric shock.
■ Do not drop any foreign object nor spill liquid into the printer. Do not
place any object on the printer either.
■ Do not drop any metallic object such as paper clip, pin or screw into
the printer.
■ Do not place a flower vase, pot or cup containing water on the printer.
■ Do not spill coffee, soft drinks or any other liquid into the printer.
■ Do not spray insecticide or any other chemical liquid over the printer.
•A metallic foreign object, if accidentally dropped into the printer, may
cause printer failure, fire, or electric shock. Should it occur,
immediately turn the printer off, unplug it from the supply outlet,
and call your local Citizen Systems dealer.
Do not handle the printer in the following ways:
■ Do not allow the printer to sustain strong impacts or hard jolts (e.g.,
trampling, dropping, striking with a hard edge).
■ Never attempt to disassemble or modify the printer.
• Neglecting to handle properly may result in printer failure,
overheating, emission of smoke, fire, or electric shock.
■ Install, use, or store the printer out of the reach of children.
• Electric appliances could cause an unexpected injury or accident if
they are handled or used improperly.
•Keep the power cord and signal cables out of the reach of children.
Also children should not be allowed to gain access to any internal
part of the printer.
• The plastic bag the printer came in must be disposed of properly or
kept away from children. Wearing it over the head may lead to
suffocation.
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CAUTION
Do not use the printer under the following conditions.
■ A state subject to vibration or unstable state.
■ A state with this product slanted.
• Otherwise dropping may cause injury.
• Poor print quality may occur.
■ A state where the printer ventilation holes are obstructed by a nearby
wall or other equipment.
■ A state where any object is placed on the printer
■ A state where the printer is covered or wrapped by a cloth or bed
clothing
• Be careful about internal heat buildup, which could cause fire and
deform the case.
■ Avoid using the printer near a radio or TV set or from supplying it
from the same outlet as these appliances.
■ Avoid using the printer interconnected with a cable or cord that has
no protection against noise. (For interconnections, use shielded or a
twisted pair of cables and ferrite cores, or other anti-noise devices.)
■ Avoid using the printer with a device that is a strong source of noise.
• The printer may have an adverse effect on nearby radio or TV
transmissions. There may also be cases when nearby electrical
appliances adversely influence the printer, causing data errors or
malfunction.
■ A state where this product is installed vertically or sidelong.
• Malfunction, failure, or electric shock may result.
■ Use the printer with its grounding post connected to a convenient
grounding facility.
• If leakage occurs electric shock may result.
■ Do not connect the printer’s grounding post onto any of the following
facilities:
* Utility gas piping
• A gas explosion could result.
* Telephone line ground
* Lightning rod
• If lightning strikes a large surge of current may cause fire or
shock.
* Utility water pipes
• Plastic water pipes should not be used for grounding. (Those
approved by a Waterworks Department may be used.)
■ Before connecting or disconnecting the grounding lead to or from
the printer, always unplug it from supply outlet.
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PRECAUTIONS IN HANDLING THE PRINTER
WARNING
Please observe the following precautions for power source and power
cord:
■ Do not plug or unplug the power cord with a wet hand.
■ Use the printer only at the specified supply voltage and frequency.
■ Use only the specified AC adapter with the printer.
■ Check to make sure that the supply outlet from which the printer is
powered has a sufficient capacity.
■ Do not supply the printer from a power strip or current tap shared
with other appliances.
■ Do not plug the power cord into a supply outlet with dust or debris
left on its plug.
■ Do not use a deformed or damaged power cord.
■ Do not move the printer while the printer power is on.
• Neglecting to handle properly may result in printer failure, emission
of smoke, fire, or electric shock.
• An overload may cause the power cord to overheat or fire or the circuit
breaker to trip.
■ Do not allow anything to rest on the power cord. Do not place the
printer where the power cord will be trampled on.
■ Do not use or carry the printer with its power cord bent, twisted, or
pulled.
■ Do not attempt to modify the power cord unnecessarily.
■ Do not lay the power cord in the neighbor of a heating device.
• Neglecting these cautions may cause wires or insulation to break,
which could result in leakage, electric shock, or printer failure. If the
power cord sustains damage, contact your Citizen Systems dealer.
■ Do not leave things around the supply outlet.
■ Supply power to the printer from a convenient wall outlet, readily
accessible in an emergency.
• The printer may not be immediately shut down in an emergency.
■ Insert the power plug fully into the outlet.
■ If the printer will not be used for a long time, leave it disconnected
from its supply outlet.
■ Hold the plug and connector when plugging or unplugging the power
cord or signal cable after turning off the printer and the appliance
connected to it.
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CAUTION
Caution label is attached on the position shown in the following figure. Carefully
read the precautions in handling before using the printer.
THESE LABELS INDICATE THE
RISK OF ANY INJURY DUE TO
"HIGH TEMPERATURE" OF THE
PRINT HEAD AND "SAWTOOTHED EDGE" OF THE
MANUAL CUTTER.
■ Do not transport this printer with the paper roll inside.
•Printer failure or breakage may occur.
To prevent possible malfunction or failure observe the following.
■ Avoid operating the printer without paper properly loaded.
■ Avoid the use of paper not complying with specifications.
•May result in poor print quality.
■ Avoid using torn pieces of paper or spliced with plastic adhesive
tapes.
■ Avoid forcibly pulling already loaded paper by hand.
■ Avoid wedging the paper into the printer.
•May jam paper. To release, refer to “Removing Jammed Paper” in
this manual.
■ Avoid using a sharp pointed device to operate panel keys.
■ Be sure to firmly insert the cable plug into its mating socket.
•A cross connection may damage the printer’s internal electronics or
the host system’s hardware.
■ Only use the printer with devices that have designated solenoid
specifications for the cash drawer interface connector.
• Neglecting this caution may result in malfunction or failure.
— 6 —
CAUTION
To prevent injury and printer failures from worsening, observe the
following:
■ Do not touch the printing surface of the thermal head.
■ Do not touch any of the moving parts (e.g., paper cutter, gears, active
electrical parts) while the printer is working.
■ In case of trouble do not attempt to repair the printer. Ask Citizen
Systems service for repair.
■ Be careful that the printer cover does not entrap your hands or fingers.
■ Be careful with sharp edges on the printer. Do not allow them to
injure you or damage property.
•May result in electric shock, burn, or injury.
If the printer emits smoke, an odd smell, or unusual noise while printing,
immediately abort the current print session and unplug the printer from
the supply outlet.
DAILY MAINTENANCE
Observe the following precautions for daily maintenance.
■ When cleaning the printer, always turn it off and unplug it from the
supply outlet.
■ Use a soft, dry cloth for cleaning the surface of the printer case.
■ For severe stains, use a soft cloth slightly dampened with water.
■ Never use organic cleaning solvent such as alcohol, paint thinner,
trichloroethylene, benzene, or ketone. Never use a chemically
processed cleaning cloth.
■ To remove paper dust, use a soft brush.
■ When transporting the printer, remove the paper roll from the printer.
CAUTION
• The thermal head is at a dangerously high temperature immediately
after printing. Allow it to cool off before launching maintenance work.
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THE TABLE OF CONTENTS
1. GENERAL OUTLINE .................................................................... 9
1.1 Features .......................................................................................... 9
1.2 Unpacking ..................................................................................... 10
1.3 Model Classification .....................................................................10
1.4 Basic Specifications ..................................................................... 11
2. EXPLANATION OF PRINTER PARTS........................................12
2.1 Printer Appearance ...................................................................... 12
2.2 Paper Cover Inside .......................................................................14
2.3 Other Built-in Functions ...............................................................14
3. PREPARATION ........................................................................... 15
3.1 Connecting the AC Adapter and AC Power Cord ...................... 15
3.2 Connecting Interface Cables ....................................................... 16
3.3 Installing the Printer ..................................................................... 17
3.4 Setting DIP Switch (Only serial interface type) .......................... 18
3.5 Adjusting the Paper Near-end Sensor ........................................ 19
3.6 Selecting Paper Type ................................................................... 20
3.7 Adjusting Paper Sensor ............................................................... 20
3.8 Full cutting label paper ...............................................................22
4. MAINTENANCE AND TROUBLESHOOTING ........................... 23
4.1 Setting/Replacing Paper Rolls ..................................................... 23
4.2 Removing Jammed Paper ........................................................... 24
4.3 Cleaning the Print Head ............................................................... 24
4.4 When the Paper Cover Cannot Be Opened ................................ 25
4.5 Self-printing .................................................................................. 26
4.6 Hexadecimal Dump Printing ....................................................... 26
4.7 Error Indication .............................................................................27
5. OTHER ....................................................................................... 28
5.1 External Views and Dimensions ................................................. 28
5.2 Manual Setting of Memory Switch ............................................. 29
5.3 Printing Paper ............................................................................... 32
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1. GENERAL OUTLINE
The CT-S281 is a thermal line printer designed for use with a broad array of
terminal equipment including, data, POS, and kitchen terminals.
With extensive features, it can be used in a wide range of applications.
1.1 Features
● Compact design.
● The printer allows horizontal or wall mounting installation.
● Auto Cutter provided as a standard unit (performs full cut or partial cut).
● Paper drop-in mechanism facilitating easy paper handling and head cleaning.
● Highly reliable printer mechanism.
● High speed printing with 80 mm/s (60 mm/s at label print mode).
● Fast graphic printing.
● Printer class or Virtual COM can be selected for USB port.
● A variety of functions selectable by memory switches.
● Registration of user-defined characters and logos into flash memory.
● Barcode & 2D Barcode printing is supported.
●2-color printing is supported.
●Can use paper roll with a maximum thickness of 100µm.
●Label and Blackmark paper are usable as option (Label printing).
— 9 —
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