LINE THERMAL PRINTER MODEL CT-S281 User’s Manual ED FE
Declaration of Conformity This printer conforms to the following Standards: The Low Voltage Directive 2006/95/EC, formerly 72/23/EEC, the EMC Directive 2004/108/EC, formerly 89/336/EEC, the RoHS Directive 2002/95/EC, and the WEEE Directive 2002/96/EC. LVD : EN60950 EMC : EN55022 EN61000-3-2 EN61000-3-3 EN55024 Class B This declaration is applied only for 230V model. CITIZEN is a registered trade mark of Citizen Holdings Co., Japan CITIZEN es una marca registrada de Citizen Holdings Co.
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.
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.
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.
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.
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.
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.
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.
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.
THE TABLE OF CONTENTS 1. GENERAL OUTLINE .................................................................... 9 1.1 1.2 1.3 1.4 Features ..........................................................................................9 Unpacking .....................................................................................10 Model Classification ..................................................................... 10 Basic Specifications .....................................................................
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.
1.
1.4 Basic Specifications Item Model Specifications CT-S281RSU CT-S281UBU Print method Line thermal dot print method Print width 48 mm/384 dots CT-S281RSE CT-S281UBE 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 Font B: 42 columns; 9 × 24 dots Font C: 48 columns; 8 × 16 dots Character size Font A: 1.50 × 3.00 mm Font B: 1.13 × 3.
2. EXPLANATION OF PRINTER PARTS 2.1 Printer Appearance Printer cover Cover open button ED FE 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.
Operation Panel POWER LED FEED button ERROR LED PAPER LED ERROR POWER FEED PAPER ● 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.
2.2 Paper Cover Inside Paper feed roller Paper near-end sensor Auto cutter Paper-end sensor Manual cutter Print (thermal) head FEED ● 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.
3. PREPARATION 3.1 Connecting the AC Adapter and AC Power Cord 1. Turn 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.
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 USB Interface Serial Interface CAUTION! ● When disconnecting the cable, always hold the connector. ● Lay the cable not to be caught by the leg or the like.
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.
3.4 Setting DIP Switch (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 1 8 FEED Switch No.
3.5 Adjusting the Paper Near-end Sensor 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 1 External Diameter of Paper Poll Remainder 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.
4. 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. FEED 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.
4.2 Removing Jammed Paper 1. Turn 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.
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.
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) Memory switch setting Buffer size DIP switch setting (Only serial interface model) 4.
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.
5. OTHER 5.
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.
Switch No. Memory SW5-1 SW5-2 SW5-3 SW5-4 SW5-5 SW5-6 SW5-7 SW5-8 Setting Reserved Reserved USB Mode Reserved Reserved Reserved Clear PNE LED Reserved Switch No.
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.
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.
TE74905-00F 1.
