SANEI ELECTRIC SK1-21 Technical Manual
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SANEI ELECTRIC SK1-21 Technical Manual

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LINE THERMAL PRINTER
Rev2.2
SK1-31

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Summary of Contents for SANEI ELECTRIC SK1-21

  • Page 1 LINE THERMAL PRINTER Rev2.2 SK1-31...

  • Page 2: Declaration Of Conformity

    DECLARATION OF CONFORMITY Sanei Electric Inc. Manufacturer’s Name: 5Floor, Taisou Ikebukuro Building, 2-61-1 Ikebukuro, Manufacturer’s address: Toshima-Ku, Tokyo 171-0014, Japan Thermal Printer Product Name: SK1-31 Model Number: SA13A240 / AC/DC adapter and Power cord Accessories: The product complies with the following product standards.
  • Page 3 * Data are basically temporary; they cannot be stored or saved either for a long time or permanently. Please note that Sanei Electric shall not be responsible for any damages or lost profits resulting from the loss of data attributable to accidents, repairs, tests, and so on.
  • Page 4 Do not use the printer if there is condensation occurs on the thermal head. If the condensation occurs, keep the power off until condensation evaporates completely. Do not block the paper exit of the printer. Do not use a volatile chemical such as thinner or benzene.for maintenance work. SK1-21/31...
  • Page 5 Continueous use may lead to printer failure,fire and electric shock. Make sure the fault does not continue and contact dealers for further assistance. If the printer is not to be used, turn the printer power OFF and leave the AC adapter disconnected from the outlet. SK1-21/31...
  • Page 6 Do not let the paper touch vinyle chloride film, erasers or adhesive tapes for hours. Do not place he paper on diazo print paper or wet, freshly made paper copies. Do not touch the paper with wet hands. It may cause fingerprint to be marks on the paper or smudges. SK1-21/31...
  • Page 7 Table of contents SK1-21/31...
  • Page 8 SK1-21/31...
  • Page 9 General Outlines 1- 1 Product Outlines SK1-21(2”)/31(3”) Series is the thermal type Kiosk Printer for the data to be input by computers and other host systems through Serial(RS232C) and USB. The versatile functions built in the series make it possible to use for several data outputapplications.
  • Page 10 83.0mm Without 1/2/3 80.0mm Sensor Black mark Right Black mark Left Gap sensor Gap sensor & Black mark Right Gap sensor & Black mark Left Without 1/2/3/4/5 : None Font Japanese Font ASCII Interface Serial Series SK1-31 3” model SK1-21/31...
  • Page 11 SK1-21 S J 3 - 1 M Q B Option Bezel Presenta 2-Dimensions Barcode Installed Without Q Not available Paper Core Diameter : φ17mm φ25.4mm Without M/L φ12mm Paper Width Without 58.0mm 60.0mm Sensor Without Reflection Sensor(Right) Reflection Sensor(Left) Gap Sensor + Reflection Sensor(Right)
  • Page 12 AC code ■ Paper Roll Holders Embedded paper holder (HOLDER 1) is sized φ12mm. The different size of holder is available. Part No. : HOLDER 2 Applicable roll holder: φ17mm Part No. : HOLDER 3 Applicable roll paper: φ25.4mm SK1-21/31...
  • Page 13 : To be screwed by uset to the setting place Status LED FEED Switch SELECT Switch Gap sensor adjustment screw Near end sensor Power supply connector : for DC power supply Serial connector : for Serial USB connector : for USB SK1-21/31...

  • Page 14: Status Led

    Prints characters and graphics to thermal papers. Paper end sensor Detects paper empty. If the sensor detects paper empty, the printer stops printing. Platen roller Feeds the thermal paper on friction with the print head. Auto cutter Cuts the thermal paper SK1-21/31...
  • Page 15 Close the print head with the roll end emerging beyond the paper exit. Handle the auto cutter carefully, so not to injure the finger or hand. Make sure the print head is completely closed and locked. If the paper is jammed, follow the same procedures. SK1-21/31...
  • Page 16 The paper feeds automatically when the paper-empty sensor detects the paper. Insert the paper to make the paper empty sensor detect the paper. If it is difficult to insert the paper, autoload the paper first, then set the paper roll into the holder. SK1-21/31...

  • Page 17: Interface Connector

    The sensor is positioned along to the paper roll axis at the factory. To adjust and choose a suitable position, slide it up or down. Paper roll diameter: φ102mm Position Position Near end Sensor Position Setting position When a 102mm roll is installed, do not position the sensor in the circled areas. SK1-21/31...
  • Page 18 Detectable paper diameter Paper core Internal/External φ21.0±2mm φ12.0/18.0mm φ24.5±2mm φ17.0/21.0mm φ35.0±2mm φ25.4/31.4mm Do not mount the printer on vibrating or slanted surfaces. The amount of paper remaining varies by paper roll. The external diameter should be used as a reference value. SK1-21/31...
  • Page 19 Three different holder axes are available, and are changeable as follows: Pinch together the nobs located on the reverse of the paper holder. Pull away from the paper original holder axis. Push on the new holder axis until it clicks into place. SK1-21/31...
  • Page 20 Squeeze the nobs for the paper holder axis located on the reverse of the paper holder and pull off the paper holder. Slide down the paper holder to the new axis and push it until it clicks. For φ102mm paper roll For φ83mm paper roll SK1-21/31...

  • Page 21: Clear Paper Jams

    2 Press the head open button to lift up the print head. Press the head open button to lift up the print head. 3 Remove the jammed paper. Close the print head and turn ON the power. Remove the jammed paper. Close the print head and turn ON the power. SK1-21/31...
  • Page 22 Such as suspension of printing is not done by Bezel sensor detection. Bezel Mode B After auto-cutting paper, the next-transmitted data is deleted while paper is in the bezel. Bezel sensor detection is recommended by status command ESC v , GS R1 or GS a. Bezel Setting Bezel SK1-21/31...
  • Page 23 Such paper roll printed as being blurred and/or distorted is used, reflection sensor may not be able to detect when black color or the similar on the paper appears at the reflection sensor. The position of the reflection sensor is shown below in the illustration. Bezel Reflection Sensor Bezel Reflection Sensor SK1-21/31...
  • Page 24 70mA or less Current consumption Printing Average 2.5A *Note 3 Temperature to +60 Operating environment Humidity 20%RH to 85%RH No condensation Printing quality is guaranteed from+5 to +40 Temperature to +70 Storage environment Humidity 10%RH to 90%RH No condensation SK1-21/31...
  • Page 25 *Note4 Not permitted with the smaller width paper roll. Friction between the head and the platen roll in the no paper area may degrade print quality. (Guaranteed area of acceptable temperature and humidity Guaranteed area for printing Humidity Temperature SK1-21/31...
  • Page 26 If printing at a high printing rate for a long time, the print head temperature rises and the head may become overheated. To prevent overheating, the printer stops printing when the temperature is beyond a certain level, and blinks the red Error LED. SK1-21/31...
  • Page 27 Paper width/Printing width 58mm /54mm 60mm / 56mm 80mm / 72mm 83mm / 80mm The left and right margins are approximate distance from paper edge and will shift about ±1mm depending on the paper path, paper position and tolerances. SK1-21/31...
  • Page 28 The numeric values in the figure are nominal center values. Leave enough margin for the cutting position to account for paper flex or variability. The position of partial cut is varied by paper width. Partial cut is designed to keep the paper at the center of 80mm paper. SK1-21/31...
  • Page 29 Note1: Black mark sensor and gap sensor are embedded in the factory as options. Note2: Choose the position of Black mark sensor either (L) or (R). Note3: Black mark on reverse of thermal paper is sensed. SK1-21 Paper edge Thermal dot line Approx.13.5m...

  • Page 30: Paper Feeding

    Specify a minimum of 16 lines or more when graphic data is printed. (3) About paper cut To prevent the printer from paper jam, the printer automatically feeds the paper about 1mm after cutting process. Therefore printing position is added 1mm to cutting position SK1-21/31...
  • Page 31 3- 7 Dimensions External dimensions Unit mm SK1-31 SK1-21/31...
  • Page 32 Paper roll axis (Roll diameter φ102mm) Unit mm Paper roll axis (Roll diameter φ83mm) Unit mm SK1-21/31...
  • Page 33 SK1-21 SK1-21/31...
  • Page 34 Paper roll axis (Roll diameter φ102mm) SK1-21 SK1-31 Paper roll axis (Roll diameter φ83mm) SK1-21 SK1-31 SK1-21/31...
  • Page 35 Printing method Turn ON the power switch while pressing the FEED switch. When the LED lights up and the printer starts printing, release the FEED button. After completing the self test printing, the printer goes to Standby mode. [Printing samples] SK1-21/31...
  • Page 36 When the LED lights up and printer starts printing, release the SELECT button. After printing the following “HEX DUMP MODE”, starts Hexadecimal mode. Prints hexadecimal numbers and characters entered from the host system. Press the power switch to cancel the HEX dump mode. Example SK1-21/31...
  • Page 37 ---MEMORY SWITCH--- Current memory switch by HEX mode (Lead from DC2K command) 0x00 0x20 0x00 0x03 0x1E 0x00 ---CURRENT VOLTAGE--- Current supply voltage 24.0V ---SENSOR--- Mark sensor detection level Reflection = 0.8V Threshold voltage Transmission = 0.8V Table 2 Example SK1-21/31...
  • Page 38 FEED Change the setting of INTERFACE BAUD RATE BIT LENGTH Prints the below after completing the setting: SETTING COMPLETE SETTING MODE END. The setting mode is finished and the printer goes to standby mode. Modified data are stored automatically. SK1-21/31...
  • Page 39 PC865 / PC866 WPC1252 / PC860 PRINT 100% Specifies the printing density. DENSITY 100% 110% 120% 130% 140% 150% PRINT WIDTH Comply with 80/72 Selects the paper width. classified 60/56 (Printing width is set at the factory) paper width 58/54 83/80 SK1-21/31...
  • Page 40 38400bps 57600bps 115200bps BIT LENGTH 8bit 8bit Selects the bit length of serial communication. 7bit PARITY Selects the parity of serial communication. Even BUSY RTS/CTS RTS / CTS Selects the flow control of serial communication. CONTROL Xon / Xoff SK1-21/31...
  • Page 41 Allows setting density form 50 to 200 . The default value from the factory is 100% for maintaining proper printing quality. Details of the adjustment method are written in Command systems (Set print density). Printing density Part No. Maker. Density TF50KS-E2D Nippon Paper TF50KS-EY Nippon Paper TF11KS-ET Nippon Paper F230AA Mitsubishi HP-220A Mitsubishi SK1-21/31...

  • Page 42: Led Display

    If the cutter does not return, keep the print head closed and contact a local dealer. Voltage error When the printer detects abnormal voltage, the printer blinks the LED and goes OFFLINE. Check the power supply voltage and if the problem is not cleared, please contact a local dealer. SK1-21/31...
  • Page 43 If there is no available memory, erase the used memory to free up enough space. 4 2D barcode (option) 2D barcode printing is available as an option. The 2D barcode is manipulated for editing and analysis of data within the assigned area. For detailed information, refer to GS Q command. SK1-21/31...
  • Page 44 Conditions Min. Max. Unit Power supply voltage VBUS 4.40 5.25 Input level Differential input sensitivity |(D+)-(D-)| Differential common mode Including VDI range Single end receiver threshold Output level “L”Level RL of 1.5kΩ to 3.6V “H”Level RL of 15kΩ to SK1-21/31...
  • Page 45 DTR is used to control data transmission to some host systems. When the host system is communicated by DTR, use loop connect of the host system. (2) Conditions Baud rate: 1200 to 115200bps Parity: None, Odd, Even Bit length: 7, 8 bit Busy control: Hardware control(RTS/CTS/Software control(XON/XOFF) SK1-21/31...
  • Page 46 The host side should stop sending data if Xoff signal is received. If the data in the input buffer is reduced to curtain level, Xon signal is sent to the host system and re-start sending remained data ( ) SK1-21/31...
  • Page 47 Hirose DF1BZ-4P-2.5DS or equivalent Signal Direction Function Power supply (+) Power supply (-) Depending on printing data, large peak current runs in the power cable. Consider the voltage drop caused by cable impedance and allow enough margin when choosing the power cable. SK1-21/31...
  • Page 48 Note2. Set the amount of back feed not beyond back feeding limit and DC2 L n3. Note3. Thickness and length of labels and base papers may cause unexpected results during back feeding. Please make sure the label paper works for back feeding. SK1-21/31...
  • Page 49 Please take into account this tolerance when pre-printed paper is used. The position of black mark is decided by that of black mark. When 58mm 60mm width paper is used, the black mark sensor is installed on left side. SK1-21/31...
  • Page 50 Note 1. Above illustration shows the paper width 80.0mm.. Note 2. The position of black mark is decided by that of black mark. Note 3. When 58mm 60mm width paper is used, the black mark sensor must be installed on left side. SK1-21/31...
  • Page 51 Print area 2.5 or more Lower margin Unit mm The tolerance of the embedded sensor and initial printing position varies about ±2mm from calculated position. Take into account the tolerance of paper feed about ±2% when a label is designed. SK1-21/31...
  • Page 52 Do not touch the thermal head dot line with bare hands or metal objects. Do not use volatile chemical agents, such as thinner and benzene. Do not get moisture or spill liquids inside of the printer. Turn ON the printer only after alcohol is completely dried. SK1-21/31...
  • Page 53 7- 2 Service for trouble shooting For maintenance and service, please contact your Sanei local distributors or the following address. Sanei Electric Inc. Overseas sales division 5F. Taisou-Ikebukuro Bldg 2-61-1 Ikebukuro, Toshima-Ku, Tokyo 171-0014, Japan TEL: 81-3-3986-1188 FAX: 81-3-3988-5876 SK1-21/31...
  • Page 54 Specify the bold character / cancel ESC E ESC { Specify inverse printing / cancel Specify inverse printing / cancel ESC - Specify underline / cancel GS ! Set a character size GS B Specify the black and white reverse character / cancel SK1-21/31...
  • Page 55 GS V Cut the paper 9. Response Command Installed in Serial interface Command Standard mode Page mode Valid / Invalid of automatic status transmission GS a Transmit status GS r GS E Answer the string GS R1 Check printer status SK1-21/31...
  • Page 56 Set printing density DC2 K Set the memory switch 14 Barcode Command Command Standard mode Page mode GS H Set the HRI character printing GS h Set the barcode height GS w Set the barcode width GS k Print barcode SK1-21/31...
  • Page 57 PDF417, MicroPDF417, DataMatrix, MaxiCode, QRCode GS S Change the cell size 16 Label Command Command Standard mode Page mode DC2 L Set the label DC2 l Detect marking position DC2 B Re-detect marking position DC2 mrk Set marking threshold SK1-21/31...
  • Page 58 ™  ∫               Note: The character code table indicates bits arranged in the shape of a character and does not represent an actual printing pattern. SK1-21/31...
  • Page 59 The code in the blank section is ignored.  The content in a bold frame is a function  code.      ™ © ® ß  *A character in a row marked with * is not printed in the SHIFT JIS CODE. SK1-21/31...
  • Page 60 The content in a bold frame is a function code     ™ ∫          Note: The character code table indicates bits arranged in the shape of a character and does not represent an actual printing pattern. SK1-21/31...

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