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.
— 1 —
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.
— 2 —
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.
— 3 —
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.
— 4 —
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.
— 5 —
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.
— 7 —
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
— 8 —
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 —
FEED
1.2 Unpacking
When unpacking the printer, confirm that the following are provided:
● Printer: 1
● AC adapter: 1
● AC power cord: 1
● Sample paper roll: 1 roll
● USB cable clamp(USB Interface model): 1
● Operation panel(for wall mounting): 1
● Quick start guide: 1
● CD-ROM: 1
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Printer
AC adapter
CD-ROM
USB cable clamp
(USB Interface model)
PAPER
ERROR
FEED
POWER
Sample paper roll **
* The AC power cord plug will vary depending of the region.
** In case of label model, Label paper is used for sample paper roll.
AC power cord *
Quick start guide
Operation panel
(for wall mounting)
1.3 Model Classification
The printer models are classified by the following designation method:
CT-S 281 RS U - WH - PX - M1
Model name
Interface
RS:
Serial RS-232C compliant
UB: USB
Destination
(Letters + Power cord)
J: Japan
E: Europe
U: USA
Case color
WH: Cool white
BK: Black
— 10 —
Optional feature
M1: With blackmark sensor (Applicable only
for the printer with label sensor)
Optional feature
No sign: Standard printing
PX: With paper near-end sensor
XL: With label sensor
PL: With paper near-end sensor and label sensor
1.4 Basic Specifications
Item Specifications
Model CT-S281RSU CT-S281RSE
Print method Line thermal dot print method
Print width 48 mm/384 dots
Dot density 8 (horizontal) × 8 (vertical) dots/mm (203 dpi)
Print speed 80 mm/s (Fastest, print density: Standard level),
Number of print columns Font A: 32 columns; 12 × 24 dots horizontal and vertical
Character size Font A: 1.50 × 3.00 mm
Character type Alphanumeric, International, PC437/850/852/857/858/860/863/
User memory 256KB (User-defined characters and logos can be registered)
Types of bar code UPC-A/E, JAN (EAN) 13/8 columns, ITF, CODE 39, CODE 128,
Line spacing 4.23 mm (1/6 inch) settable with command
Paper roll
Interfacing Serial (RS-232C compliant), USB
Input buffer 4k bytes/45 bytes
Supply voltage DC 8.5 V ±5%
Power consumption
AC adapter Rated input: AC 100 to 240 V, 50/60 Hz
Weight Approx. 630 g
Outside dimensions 106 (W) × 180 (D) × 105 (H) mm
Operating temperature and humidity
Storage temperature and humidity
Reliability Print head life: 50 km, 1 × 108 pulses (At normal temperature/
Safety standard *
60mm/sec in label printing
Font B: 42 columns; 9 × 24 dots
Font C: 48 columns; 8 × 16 dots
Font B: 1.13 × 3.00 mm
Font C: 1.00 × 2.00 mm
864/865/866/WPC1252/Katakana/Thai code 18
CODABAR, CODE 93, PDF417, QRCODE
Thermal paper roll: 58 mm × φ83 mm, Label paper: 58 mm x φ80 mm
Paper thickness: 0.06 to 0.1 mm
Standby: Approx. 2 W, Printing: Approx. 18 W (Approx. 26 W max.)
Rated output: DC 8.5 V, 2.5 A
5 to 40°C, 10 to 85% RH (No condensation)
−20 to 60°C, 10 to 90% RH (No condensation)
humidity with recommended paper used)
Auto cutter life: 1million cuts(At normal temperature/
humidity with recommended paper used)
UL, C-UL, FCC Class B TUV, GS, CE marking
CT-S281UBU CT-S281UBE
*Represents the safety standards acquired when CITIZEN SYSTEMS-made adapters (28AD series)
are used.
— 11 —
FEED
2.
EXPLANATION OF PRINTER PARTS
2.1 Printer Appearance
Printer cover
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Cover open button
Cutter gear cover
Power switch
Operation panel
● Printer cover
Paper is located inside this cover.
● Cover open button
To refill or replace paper, open the paper cover by pushing this button.
● Power switch
This switch turns the printer power ON/OFF.
● Cutter gear cover
To release the cutter lock, open this cover and rotate cutter gear.
— 12 —
Operation Panel
POWER LED ERROR LEDFEED button
PAPER LED
FEED
ERROR
PAPER
POWER
● POWER LED
Lights when the printer power is on and goes off when the printer power is
off. May blink or light in a special mode or in case of a failure.
● FEED button
Pressing this button once causes a paper feed of one line. Pressing the button
continuously causes the paper to feed continuously.
● ERROR LED
Lights or blinks when paper is empty or in case of a failure.
The interval length of blinking shows the type of error.
● PAPER LED
Lights when there is no paper or the paper is low with the optional PNE sensor.
Rear Connectors
USB interface TypeSerial interface Type
Power connector
Sensor adjuster
cover
Serial interface
connector
Sensor adjuster
cover
● Power connector
Connects to the cable from AC adapter.
● USB Interface connector
Connects to the USB interface cable.
● Serial interface connector
Connects to the serial interface cable.
● Sensor adjuster cover
When adjusting the Paper sensor, remove this cover.
— 13 —
Power connector
USB Interface
connector
2.2 Paper Cover Inside
FEED
Paper feed roller
Paper near-end sensor
Auto cutter
Manual cutter
Paper-end sensor
FEED
Print (thermal) head
● Auto Cutter
Cuts the paper when software command is sent to the printer. Cutting method
could be partial cut or full cut, “Partial Only”is set to valid by the default
memory switch 4-8, so that the full cut command will execute as partial cut
operation.
● Manual cutter
Tears the paper by hand.
To cut the printed paper, gently pull the paper from the edge of the paper at the angle
so that paper firmly contacts the manual cutter. Improper direction of pull may result
in poor cutting or excessive unwinding of paper. In some case, characters may be
destroyed at the first printing after the paper is cut.
● Paper near-end sensor (Factory option)
If installed, detects when paper roll goes low. The external diameter of paper
roll remainder will vary depending on the position of the paper near-end
sensor lever.
● Paper-end sensor
Stops printing when this sensor detects paper end.
● Print(thermal)head
Prints characters and/or graphics data on thermal paper.
● Paper feed roller
Feeds paper as part of print mechanism.
2.3 Other Built-in Functions
● User memory
Allows registration of user-defined characters and logo data in nonvolatile
memory. Data remain registered even if the printer is OFF.
● Memory switches
Allow printer configuration, could be set by software command or manually
on the printer, changes remain registered in nonvolatile memory even if the
printer is OFF.
— 14 —
3. PREPARATION
3.1
Connecting the AC Adapter and AC Power Cord
1. Tu rn off the printer power.
2. Plug in the cable connector of the AC adapter to the power connector at the
rear of the printer.
3. Connect the AC power cord to the inlet of AC adapter, and insert the AC powercord plug into a suitable wall outlet.
AC adapter
Inlet
AC power cord
Cable connector
CAUTION!
● Use only the specified AC adapter with the printer.
● When disconnecting a cable, do not pull out by the cable. Always hold the plug.
● Always keep the AC power supply away from other noise generating equipment.
● Do not pull the power cord. Otherwise fire, electric shock, or power disconnection
may result.
● If lightning is approaching, unplug the AC power cord from the wall outlet. Otherwise
fire or electric shock may result.
● Keep the power cord away from heat generating appliances. Otherwise the shield of
power cord may be fused resulting in a fire or electric shock.
● If the printer will not be used for a long time, leave it disconnected from its supply
outlet.
● Lay the cable not to be caught by the leg or the like.
— 15 —
3.2 Connecting Interface Cables
Turn off the printer and unplug the power connector. Then follow the procedure
for interface cable connection.
Orient the interface cable terminal correctly and insert it into the interface
connector.
USB cable clamp
Serial Interface
USB Interface
CAUTION!
● When disconnecting the cable, always hold the connector.
● Lay the cable not to be caught by the leg or the like.
For serial interface use cable with the following configuration:
9-pin - 25-pin cable
PC
Signal Pin
RXD 2
TXD 3
DTR 4
SG 5
DSR 6
CTS 8
Printer
Pin Signal
2TXD
3RXD
4RTS
6 DSR
7SG
20 DTR
— 16 —
FEED
3.3 Installing the Printer
The printer can be installed horizontally or mounted vertically on the wall.
At the time of shipment, the printer is set for horizontal installation. To install
the printer on the wall, put the accessory operation panel on to the original
one. This will allow easy operation panel reading when printer is wall mounted.
CAUTION!
● No screw for wall mounting is provided. Check the structure and strength of the wall
(plaster board or stronger one) and prepare two appropriate screws (round-head wood
screws of φ3.1, 16 mm or more). And fix the printer by tightening the screws in
accordance with the specified dimensions.
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F
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Horizontal position
Wall mounting
56mm
3
.5
m
m
φ3.1mm
φ5.7mm
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Hooks for wall mounting
— 17 —
3.4 Setting DIP Switch
FEED
(Only serial interface type)
DIP switch is provided only for serial interface specification.
The DIP switch is located at the bottom of the paper holder. To set the DIP
switch open the printer cover and remove the paper.
ON
OFF
18
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Switch No. Function ON OFF
Communication condition
1
setting method
DIP switch setting Internal memory ON
setting
Initial
Settings
2 Flow Control XON/XOFF DTR/DSR OFF
3 Bit length 7 bits 8 bits OFF
4 Parity check With parity None OFF
5 Parity selection Even parity Odd parity OFF
6 OFF
Baud rate selection See Table below.
7 ON
8 Reserved − Fixed OFF
Selecting baud rate
Switch No.
Baud Rate (bps)
67
2400 OFF OFF
4800 ON OFF
9600 OFF ON
19200 ON ON
1200 bps and 38400 bps can also be selected by a command or the memory
switch. 9600bps is factory setting.
— 18 —
3.5 Adjusting the Paper Near-end Sensor
FEED
Move the paper near-end sensor lever to forward or backward. The position to
be set varies in accordance with the paper roll as shown in the following table.
unit: mm
Lever Position External Diameter of Paper Poll Remainder
1 φ24
2 φ34
CAUTION!
● Paper remainder (outside diameter of roll) differs by the type of paper roll used.
● The external diameter of the paper roll is only for reference.
● In the wall-mount status, you cannot use the paper near-end sensor.
● Not usable for a label paper roll.
Lever
1
2
FEED
— 19 —
3.6 Selecting Paper Type
Paper type selection is available by the combination of memory switches SW44 and SW4-5 by the used of “Memory Switch Select Mode”. In addtion, the
following procedure is available.
1 Enter Selecting Paper Type mode.
1)Open the printer cover and remove paper. Pressing and holding the
FEED button, turn the printer power ON. The POWER LED starts blinking.
2)Release the FEED button and then close the printer cover. Buzzer sounds
and the paper type currently set is indicated by the LED on the operation
panel.
2 Select Paper Type.
Press the FEED button to match the paper type loaded to the LED indications
in the table below. (Refer to the table below.)
*PAPER LED is kept lit.
Label
Thermal paper roll
Black Mark paper
POWER LED ERROR LED
Green lit (OFF)
(OFF) Red lit
Green lit Red lit
3Save the selected Paper Type to the Printer.
Open and close the printer cover. By this operation, selected paper type is
stored in the printer memory and the Selecting Paper Type mode is terminated.
(Then, POWER LED, ERROR LED, and PAPER LED go on.) Since then, "P.Length
Set" of Memory switch 4-1 becomes disable.
When closing the printer cover during the setting a Black Mark paper or label
paper in the printer, paper length is measured, and the result will be printed
out.
* If Paper Detection error occurs at the measurement of paper length, the
printer automatically enters Adjusting Paper Sensor mode. Adjust the
sensor in accordance with “3.7 Adjusting Paper Sensor”.
3.7 Adjusting Paper Sensor
Before using Black Mark paper (BM paper) or label, adjust the Paper sensor.
First remove the Sensor adjuster cover located at the opposite side of the Power
switch from the printer.
As shown in Figure 1, Level indicator LED, Black Mark sensor adjuster, and
Label paper sensor adjuster are located here in this order from the left. Adjust
them in the following procedure.
— 20 —
Black Mark sensor
Label light receiving sensor
Label light emitting sensor
Sensor adjuster cover
Black Mark paper
sensor adjuster
Level indicator
LED
Label paper sensor
adjuster
Figure 1
1 Enter Adjusting Paper Sensor mode.
Open the printer cover, remove paper, and then set the printer power switch
to ON. Then close the printer cover while pressing the FEED button. Then,
ERROR LED starts blinking.
2 Set Paper to be adjusted to the Printer.
This printer has three types of built-in paper sensors.
In case of label, set it so that label is positioned on the label light receiving
sensor and label light emitting sensor. In case of Black Mark paper, set it so
that the printable portion (other than black mark) is positioned on the Black
Mark sensor. In this case, closing the Printer cover causes ERROR LED to
blink.
3Adjust Paper Sensor.
Using a narrow flat or Phillips screwdriver, turn the adjuster clockwise to let
the LED go off. Then slowly turn the adjuster counterclockwise to set the
LED to be lit. Excessively turning the adjuster results in blinking of the LED.
In this case, return the adjuster to let the LED go on.
Turning the adjuster
counterclockwise
blink Orange Turning off
* While turning the adjuster by the screwdriver, do not let the part of the
screwdriver touch the metal frame. Otherwise proper LED light color
will not be displayed while touching.
4Perform Paper Measuring operation
When the FEED button is pressed, label is fed and paper measuring is carried.If
the FEED button is presed during the paper measuring, the result will be
printed out as follows, and the printer memory switch will be initialized.
* The measuring result is a reference value
showing a label length
showing a gap between labels
LabelLength
GapLength
< Example of label measuring result >
:
XXXmm
:
XXmm
< Example of black mark paper measuring result >
— 21 —
showing a black mark pitch
showing a black mark height
BlackmarkInterval:XXXmm
:
BlackmarkLength
XXmm
3.8 Full cutting label paper
When full-cutting the label paper with the printer installed horizontally,Be sure
that the guide plate is mounted on the paper exit of the printer cover.
(This guide plate was set to the printer at the time of factory shipment.)
The Guide Plate prevents cut paper from dropping in the printer.
CAUTION!
■ If about 10 sheets of cut paper accumulate on the paper exit, remove the paper.
• Stacking of 10 or papers, paper jam may occur.
●Mounting and Dismounting Guide Plate
• Mounting
With the printer cover kept open, insert the tabs of the guide plate to one of the
mounting holes (either right or left hole) located at the inside of the cover front. Set
the guide plate with its lib facing toward you.
Then, with the guide plate warping toward you, insert the tabs to the mounting
holes at the opposite side of the cover.
• Dismounting
With the printer cover kept open, pull the center portion of the guide plate toward
you to remove the guide plate.
Tabs for
mounting hole
Lib
— 22 —
Set similarly at the
opposite side.
4.
FEED
MAINTENANCE AND TROUBLESHOOTING
4.1 Setting/Replacing Paper Rolls
1. Press the cover open button down.
2. Open the printer cover.
3. Insert a paper roll with the print surface facing down as shown on the figure
below and pull the paper end out of the printer.
4. Close the printer cover until a click can be heard.
F
E
E
D
Cover open button
WARNING
● When opening the printer cover, take care not to touch the print head or cutter blade.
Otherwise, burning or injury of hand may result.
CAUTION!
● Always use the specified types of paper roll.
● Confirm that the paper roll is set correctly.
● When the paper is skewed and not extended straightforward from under the cover,
open the cover and adjust the paper correctly.
● When closing the cover, press on the both front sides marked or the center of the cover
to close it firmly.
● When setting paper, pay attention not to let your fingers get injured by the edge of
paper.
● When setting a label paper roll to the printer, be sure that there is no uneven portion
on the roll paper side. If the roll paper side is uneven, set it evenly.
— 23 —
4.2 Removing Jammed Paper
1. Tu rn the printer power off.
2. Open the printer cover. If the cutter blade remains protruded with paper
jammed, do not open the printer cover forcibly. Referring to section 4.4, restore
the blade to the normal position and then open the cover.
3. Remove paper roll and clean the printer from any jammed paper or remaining
small pieces of paper, then install the paper roll and close printer cover firmly.
4. Turn on the printer. The auto cutter mechanism is initialized and the alarm is
cleared.
CAUTION!
● The print head is hot immediately after printing. Do not touch it with your hand. Do
not touch the heating element of the head with a bare hand or metal object either.
4.3 Cleaning the Print Head
1. Tu rn the printer power off.
2. Open the printer cover.
3. Wait for several minutes and then wipe the dust or the like off the surface of
head heating element using a cotton swab containing ethanol.
4. Head cleaning shall be done about once a month for standard paper. In case
of label paper, clean the head about once every 10,000 sheets because the
head is likely to catch the adhesive.
CAUTION!
● The print head is hot immediately after printing. Do not touch it with your hand. Do
not touch the heating element of the head with a bare hand or metal object either.
— 24 —
O
PA
APER
4.4
When the Printer Cover Cannot Be Opened
Cutter lock error may occur with the Auto Cutter due to dropping of foreign
object, paper jam, etc. If the cutter blade remains protruded with cutter lock
error, the printer cover does not open.
The Auto Cutter can also be restored to the initial position by turning the printer
on again or by pressing the FEED button, when the memory SW3-1 is set to
OFF.
If the cutter lock error cannot be recovered by the above method, release cutter
lock in the following procedure.
1. Tu rn the printer power off.
2. If a cutter lock error occurs, the printer cover is held unopened. To open the
cover, open the cutter gear cover on the front of the printer, turn the cutter
gear under the protection sheet in the arrow direction, and return the movable
blade to the initial position. (Return the movable blade to the position where
the printer cover can open.)
3. Open the printer cover and remove the cause of the cutter lock.
4. Set paper correctly, close the printer cover, and turn the printer power on.
(Check to make sure ERROR LED goes off.)
CAUTION!
● Do not touch the printer head by hand just after printing because high temperature
remains on it.
● Do not touch the surface of the heating element of the print head by bare hand or by
metal.
● Do not touch the blade of the cutter.
R
R
E
P
Cutter gear
Protection sheet
— 25 —
Power connector
4.5 Self-printing
Insert paper into the printer. With the FEED button pressed and held, turn the
printer power on, keep the FEED button held for about 1 second, and then
release the FEED button. The printer starts self-printing. The printer prints
model name, version, DIP switch setting, memory switch setting, and built-in
fonts.
Firmware version
Interface
Serial communication
condition (Only serial
interface model)
Buffer size
DIP switch setting
(Only serial interface
model)
Memory
switch
setting
4.6 Hexadecimal Dump Printing
This function is to print all received data in hexadecimal numbers. If problems
such as missing data, data duplication, etc. should occur, this function allows
checking whether or not the printer is receiving data correctly. Set paper to the
printer and keep the paper cover open.
With the FEED button pressed and held, turn the printer power on and then
close the paper cover.
The printer prints “HEX dump print mode” followed by the received data printed
in hexadecimal numbers and some characters.
CAUTION!
● The printer prints “.” if there is no characters corresponding to data.
● During hexadecimal dump, functions except some command will be disabled.
● If print data does not cover a line, press the FEED button to print the line.
When you press the FEED button three times consecutively, or you turn the
printer power off, or the printer receives a reset signal from the interface, the
hexadecimal dump printing is terminated.
Print example
HEX DUMP PRINT MODE
1B 21 00 1B 20 04 41 42 43 44 .!.. .ABCD
45 46 47 48 49 4A 4B 4C 4D 4E EFGHIJKLMN
4F 50 0D 0A 31 32 33 0D 0A OP..123..
— 26 —
4.7 Error Indication
● Paper-end
Paper empty is detected in two steps: paper-end and paper near-end(factory
option). It causes the PAPER LED to light. If paper-end is detected, replace
the paper roll.
● Cover open error
When the printer cover is opened, Printer cover open is detected and the
ERROR LED goes on.
During printing, do not open the printer cover. If you open the printer cover
accidentally, the ERROR LED blinks. Confirm the paper and close the cover.
Printing resumes automatically.
● Head overheat error
When you print dense characters or dark image, the head temperature rises.
If the head temperature exceeds a specified level, the printer stops printing
operation and waits till the head temperature is lowered. During waiting, the
ERROR LED blinks. When the head temperature is lowered, printing resumes
automatically.
● Cutter lock error
If the cutter blade stops operating due to paper jam or the like, the ERROR
LED blinks.
Remove the cause of the trouble and press the FEED button. If the blade does
not move and the cover does not open yet even in the above procedure,
follow the procedure in section 4.4 to open the paper cover.
● Waiting for cutting label
If cutter disabled is selected, label paper is ejected by the GS FF (print and
eject blackmark paper/label paper) command and the printer is waiting for
cutting label paper. (The printer is waiting for cutting by manual cutter or
peeling label.)
If FEED SW is pressed, the printer returns to the print start position and is
restored to normal state. When MSW3-7=OFF is set, if FEED SW is not pressed
for more than 3 seconds (default), the printer performs the same operation
as FEED SW is pressed.
● Blackmark/label paper detection error
If blackmark/label paper cannot be detected or non-standard paper is used,
blackmark/label paper detection error occurs.
In this case, perform sensor adjustment in the sensor adjust mode. If
adjustment is not successful regardless of the use of standard paper, faulty
(degraded) sensor or the like is suspected. Contact our service agent.
— 27 —
The LED status of each error including the above is shown below.
Status POWER LED ERROR LED PAPER LED
Paper-end Lights Lights Lights
Paper near-end Lights Turning off Lights
Cover open error Lights Lights Turning off
Cover open error *1 Lights Turning off
Cutter lock error Lights Turning off
Head overheat error Lights Turning off
Memory check error Turning off Turning off
Low voltage error Lights Turning off
High voltage error Lights Turning off
Macro execution Lights Turning off
wait *2
Waiting for cutting Turning off Lights
label
Blackmark/label paper Lights Turning off
detection error
*1: When the printer is printing.
*2: The ERROR LED may blink even in the execution of macro function.
5. OTHER
5.1 External Views and Dimensions
FEED
106
FEED
105
180
— 28 —
(Unit: millimeter)
5.2 Manual Setting of Memory Switch
Memory switches can be set manually or by a command.
For manual setting, refer to the next page.
The function of each memory switch is shown in the following table. (The
white-on-black characters are factory setting.)
Switch No. Setting 0 (OFF) 1 (ON)
Memory SW1-1 Power ON Info Valid Not Send
SW1-2 Buffer Size 4k bytes 45 bytes
SW1-3 Busy Condition Full/Err Full
SW1-4 Receive Error Print “?” No Print
SW1-5 CR Mode Ignored LF
SW1-6 Reserved Fixed −
SW1-7 DSR Signal Invalid Valid
SW1-8 Reserved Fixed −
Memory SW2-1 Reserved − Fixed
SW2-2 Auto Cutter Invalid Valid
SW2-3 Spool Print Invalid Valid
SW2-4 Full Col Print LineFeed WaitData
SW2-5 Resume aft PE Next To p
SW2-6 Reserved − Fixed
SW2-7 Reserved Fixed −
SW2-8 PNE Sensor * Valid Invalid
Memory SW3-1 Resume Cttr Err Valid Invalid
SW3-2 Reserved Fixed −
SW3-3 Reserved − Fixed
SW3-4 Reserved Fixed −
SW3-5 Reserved Fixed −
SW3-6 Reserved Fixed −
SW3-7
SW3-8
CBM-270 Mode
Resume Open Err
Invalid Valid
Close Command
Memory SW4-1 *1 P. Length Set Auto Measure Command
SW4-2 *2 Power on TOF Invalid Valid
SW4-3 *3 Feed&Cut at TOF Invalid Valid
SW4-4 *4 Paper Select Thermal Roll BM.P / Lbl.P
SW4-5 *5 Position detect Black Mark Label
SW4-6 C.Close Action Find TOF Auto Measure
SW4-7 *6 Auto paper Select Invalid Valid
SW4-8 *7 Partial Only Invalid Valid
*Factory option
— 29 —
Switch No. Setting 0 (OFF) 1 (ON)
Memory SW5-1 Reserved − Fixed
SW5-2 Reserved Fixed −
SW5-3 USB Mode Virtual COM Printer Class
SW5-4 Reserved Fixed −
SW5-5 Reserved Fixed −
SW5-6 Reserved Fixed −
SW5-7 Clear PNE LED Auto Set Paper
SW5-8 Reserved Fixed −
Switch No. Setting Default Set Values
Memory SW7-1 Baud Rate 9600 bps 1200 bps, 2400 bps, 4800 bps, 9600 bps,
SW7-2 Data Length 8bits 7bits, 8bits
SW7-3 Stop Bit 1bit 1bit, 2bits
SW7-4 Parity NONE NONE, EVEN, ODD
SW7-5 Flow Control DTR/DSR DTR/DSR, XON/XOFF
SW7-6 Reserved −
SW7-7
Memory SW8-1 Reserved −
SW8-2 Paper Type 1 Color Normal 1 Color Normal, 2 Color Normal
Memory SW9-1 Code Page PC437 PC437/Katakana/PC850,858/PC860/PC863/
Memory SW9-2 Int’ char Set U.S.A U.S.A, France, Germany, England, Denmark,
Memory SW9-3 Kanji OFF ON, OFF
SW9-4 JIS/Shift JIS JIS JIS, Shift JIS
Memory SW10-1 Print Density 100% 70%, 75%, 80%, 85%, 90%, 95%, 100%, 105%,
SW10-2 Print Speed Level 9 Level 1, Level 2, Level 3, Level 4, Level 5,
SW10-3 Reserved −
SW10-4 Reserved −
*1: When paper length setting is assigned as a command, use the command (GS1) when
specifying paper layout. If there is no specification, paper length is set to default value. This
is valid only when Blackmark paper/Label paper is selected with memory switch 4-4.
*2: Only valid when Blackmark paper/Label paper is selected with memory switch 4-4.
*3: No cutting operation occurs when cutter is disabled with memory switch 2-2.
When thermal paper roll is selected, cutting operation occurs after paper is fed by about
24mm.
When Blackmark paper/Label paper is selected, cutting operation occurs after paper feed to
the top of the next print position.
*4: Paper select setting at the time of shipment depends on the model.
Standard: OFF (Thermal paper roll) Label: ON (Blackmark paper/Label paper)
*5: Valid only when Blackmark paper/Label paper is selected with memory switch 4-4.
Factory setting of paper position detection is subject to the model.
Standard: OFF (Blackmark detection) Label: ON (Label detection)
*6: MSW4-6/4-7 functions only when blackmark paper/label paper is selected by MSW4-4.
*7: Invalid when Blackmark paper/Label paper is selected with memory switch 4-4. (Only for full
cut)
VCom Protocol
PC Setting PC Setting, DTR/DSR, XON/XOFF
19200 bps, 38400 bps
PC865/PC852/PC866/PC857/WPC1252/
Space page/PC864/Thai Code 18
Sweden, Italy, Spain, Japan, Norway,
Denmark 2, Spain 2, Latin America, Korea,
Croatia, China
110%, 115%, 120%, 125%, 130%, 135%, 140%
Level 6, Level 7, Level 8, Level 9
— 30 —
Manual Setting of Memory Switch (Memory SW)
The memory switch can be selected, changed, or written by the combination of
three actions: pressing the FEED button, pressing and holding the FEED button,
and opening or closing the printer cover.
1. Entering memory switch setting mode.
Set paper to the printer and keep the printer cover open. With the FEED
button pressed and held, turn the printer power on, and then press the
FEED button twice. Close the cover. If the current settings of the memory
switch etc. are printed, the printer is now in the memory switch setting
mode.
Memory SW (1) 00000000
0: OFF state
1: ON state
2. Selecting memory switch
When the FEED button is pressed button shotly (within 2 seconds), printing
occurs in the order of “Memory SW1” → “Memory SW2” → “Memory
SW3” → “Write/Factory Setting” → “Memory SW1” → ...... repeatedly.
When the memory switch you want to change is reached, press and hold
the FEED button (for more than 2 seconds). The reserved memory switch
setting will be skipped and not printed.
3. Selecting each switch item
There are eight setting items for each switch. Press and hold the FEED
button continuously, the printer goes to the next item and prints the current
setting of the item. Repeat pressing and holding till the item you want to
change setting is reached.
Power ON Info (Valid)
Items with ERROR LED lit are
those values elected currently
4. Changing the setting
When the item you want to change is reached, press the FEED button
shortly. The changed set value is printed. (To return to the previous setting
press the FEED button shortly). When you press the FEED button
continuously, the set value is accepted and then the printer goes to the
next setting item.
5. Returning to the memory switch select mode
When the setting of the desired content is completed, open the printer
cover and then close the printer cover. This allows the printer to print the
setting of the changed memory switch.
— 31 —
6. Saving the setting and exiting the memory switch setting mode
Press the FEED button shortly to move to “Write/Factory Setting”. Then
press and hold the FEED button. The printer prints the content of new
setting and exits the memory switch setting mode to return to the normal
standby state.
* Unless saving the setting is executed, the changed setting cannot be
enabled.
7. Initializing the memory switch
When you want to return the memory switch setting to the initial state, go
to “Write/Factory Setting” in the above procedure. Here, open the paper
cover and press and hold the FEED button till buzzer sounds. This allows
the printer to return to the initial state.
* All the memory switches settings are returned to the factory set values.
5.3 Printing Paper
a) Thermal paper
Use the print paper shown in the following table or the paper with equivalent
quality.
Paper Type Product Name
Recommended thermal TF50KS-E2D, TF77KS-EY from Nippon Paper
paper roll PD160R from Ohji Paper
F230AA, PB670 (2-color) from Mitsubishi Paper
Paper width 58
Maximum print area 48
+0
−1
Printing surface
d
D
φ83 or less
Paper thickness t (µm) d D
60µm≦t≦75µm φ12 φ18
75µm＜t≦100µm φ25.4 φ32
CAUTION!
Use the paper with the start of winding to roll core is as shown below.
● No fold line is present and paper is along the inner diameter.
● No turnup is present.
● No pasting to core is present.
● Outer winding (print side out) is used.
— 32 —
(Unit: millimeter)
When using “label paper” with CT-S281XL/OL, refer to the following. Use the
following paper or the equivalent paper.
Paper type Product name
Recommended thermal label paper HD75 from Nippon Paper
150HBW from Ricoh
b) Label paper
A
BC
DLM
Full cut
Paper feeding
E
F
G
direction
Printable area
position
HI
JK
Unit: mm
Mark Item Dimensions
A Liner width 58
B Label width 54 + 0.5
C Left edge of label 2 + 0.5
D Print width 48
ETop margin 2 + 1
F Print length 21 to 156 + 1
G Bottom margin 2 + 1
H
Cut position between labels
I Gap between labels 5 + 1
JLabel length 25 to 160
K Label pitch I+J
L Left margin 3 + 1
M Right margin 3 + 1
0
-1
_
_
_
_
2 or more
_
_
_
_
CAUTION!
■ Do not use full sheet label paper.
■ Use label paper with peel force of 200 mN/50mm between label and liner. Using label
paper with weak peel force may result in paper jam.
■ In some case, adhesive may be present between label papers or at the edge of label.
Fixing adhesive on the paper path such as print head, etc. may result in paper jam. At
the occurrence of paper jam, check for fixed adhesive. Remove the fixed adhesive
using close moistened with ethanol.
■ When label length is less than 30 mm and the cutter is set to be disabled, feeding the
unlabelled area to the manual cut position and then to the first print position by using
the GS FF command may cause label paper to feed one or two sheets without printing.
■ Observe the life and storage condition of label paper when using label paper.
— 33 —
c) Black mark paper (BM paper)
A
B
D
C
F
Black Mark (printed on the reverse)
Mark Item Dimensions
A Right edge of black mark 15 or more
B Left edge of black mark 0 to 1.5
C Black mark height 5
D Cut position in black mark 2.5
ETop margin 7 + 1
F Black mark pitch 30 to 165
GBottom margin 7 + 1
Cut position
Printable area
Unit: mm
_
_
E
Paper feeding
direction
G
CAUTION!
1) PCS value of black mark must be 0.9 or more.
2) When using the black mark paper, consider the margin of +/- 2 mm for the print position
against the standard position and +/- 5 mm for print length.
3) Refer to the above drawing for the printable area and have enough margings specified
in the marks E and G. If the print data size is out of the printable area, the printer
should skip to next page.
4) When using preprinted paper, consider the layout of the paper.
— 34 —
TE74905-02F
1.02E-1001
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