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

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Technical Guide
KIOSK PRINTER
SK1-21A
SK1-31A
Rev4.6E
SK1-21A/31A

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Summary of Contents for SANEI ELECTRIC SK1-21A

  • Page 1 Technical Guide KIOSK PRINTER SK1-21A SK1-31A Rev4.6E SK1-21A/31A...

  • Page 2: General Notice

    * 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 3 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. ３ SK1-21A/31A...
  • Page 4 ◆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. ４ SK1-21A/31A...
  • Page 5 ◆ 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. ５ SK1-21A/31A...

  • Page 6: Table Of Contents

    3- 3．Printing area ......................２１ 3- 4．Print head and cutter position ................２１ 3- 5．Paper sensor position ..................２２ 3- 6．Paper feeding ....................... ２４ 3- 7．Dimensions......................２５ 4．Functions ....................２９ 4- 1．Self test printing....................２９ 4- 2．HEX Dump mode ....................３０ ６ SK1-21A/31A...
  • Page 7 7- 2．Serial ........................４２ 7- 3．Power supply......................４４ 8．Label print ....................４５ 9．Maintenance.................... ４９ 9- 1．Maintenance ......................４９ 9- 2．Service for trouble shooting ................５０ 10．Command systems ................５１ 10- 1．Command table ....................５１ 10- 2．Data code table ....................５４ ７ SK1-21A/31A...

  • Page 8: General Outlines

    Using the Image Registration command, the printing layout can be set up beforehand.  With the Printing Density command, the printing density can be changed.  The command system conforms to ESC/POS  Capable of registering print images in internal flash memory. ８ SK1-21A/31A...

  • Page 9: 1- 3．Classification

    Gap sensor & Black mark（Right） Gap sensor & Black mark（Left） Without 1/2/3/4/5 : None Font J ： Japanese Font F ： ASCII Interface S ： Serial ＋USB Paper Holder type A ： Arm Unit LA/RA Series SK1-31 ： 3” model ９ SK1-21A/31A...
  • Page 10 Without： Reflection Sensor(Right) 1：Reflection Sensor(Left) 2：Gap Sensor + Reflection Sensor(Right) 3：Gap Sensor + Reflection Sensor(left) Font J ： Japanese F ： ASCII Interface S ： Serial ＋USB Paper Holder type A ： Arm Unit LA/RA Series SK1-21： 2” model １０ SK1-21A/31A...

  • Page 11: Handling Method

    1-inch Core adapter BUSH 24.9 Attachment core holder for φ25.4mm diameter Serial cable CB-SK1-S4 Cross connection, approx 60cm, D-Sub9 DC cable CB-SK1-D1 DC cable, approx 1m USB cable BLM-1.5U USB cable, approx 1.5m AC adapter SA3-27A24O-1 Standard AC adapter (24V) １１ SK1-21A/31A...

  • Page 12: 2- 2．Appearance

    : Detect paper near end ⑨Power supply connector : for DC power supply ⑩Serial connector : for Serial ⑪USB connector : for USB ⑫1-inch core adapter : for1-inch inner core of paper roll The standard model is not installed core adapters. １２ SK1-21A/31A...

  • Page 13: 2- 3．Inside Structures

    Detect paper empty. If the sensor detects paper empty, the printer stops printing. ③ Platen roller Feed the thermal paper on friction with the print head. ④ Auto cutter Cut the thermal paper (Selectable for full cut or partial cut) １３ SK1-21A/31A...

  • Page 14: 2- 4．Setting Paper Roll

    Set the paper pulling out the paper end straightforward and close the head unit. 2. Auto-loading system The paper is passed through thermal head as following, paper is set to feed automatically when the paper-empty sensor detects the paper. １４ SK1-21A/31A...

  • Page 15: 2- 5．Paper Near-End Sensor

    Adjusting Knob is set at No.3 when 1-inch core adapter is installed. （Unit：mm） Position Detectable paper diameter φ21.0±2mm φ24.5±2mm φ35.0±2mm ・Do not mount the printer on vibrating or slanted surfaces. ・The external diameter should be used as a reference value. １５ SK1-21A/31A...

  • Page 16: 2- 6．Changing 1-Inch Core Adapter

    1-1. How to setting Detach polyslider and pull out shaft, and then detach holder arm. Next, put a spring on a projection and set the holder arm on the spring. Finally, put the shatf and fix it by the polyslider. １６ SK1-21A/31A...

  • Page 17: 2- 8．Clear Paper Jams

    3．Remove the jammed paper. 4．Close the print head and turn ON the power. Press the head open lever to Remove the jammed paper lift up the print head. Turn the printer power OFF. Don’t put fingers into paper exit. １７ SK1-21A/31A...

  • Page 18: General Specifications

    3．General specifications 3- 1．Specifications Model SK1-31A SK1-21A Printing method Direct line thermal Paper width 58/60/80/83mm 58/60mm Print width 54/56/72/80mm 54/56mm Number of dots 432/448/576/640dot 432/448dot Resolution 8dot/mm(203dpi) Maximum printing speed Max.200 mm/s *Note 1 Paper holding method Φ120mm paper holder Interface Serial(Max.115.2kbps), USB2.0...
  • Page 19 Model SK1-31A SK1-21A Temperature： -20℃ to +60℃ Humidity： 20%RH to 85%RH（No condensation） Operating environment Printing quality is guaranteed from+5℃ to +40℃ Guaranteed area of acceptable temperature and humidity Temperature： -30℃ to +70℃ Storage environment Humidity： 10%RH to 90%RH（No condensation） Weight 630g （Without paper roll）...

  • Page 20: 3- 2．Sensor

    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. ２０ SK1-21A/31A...

  • Page 21: 3- 3．Printing Area

    ・The position of partial cut is varied by paper width. ・Partial cut is designed to keep the paper at the center of 80mm(SK1-31) or 58mm(SK1-21) paper. ２１ SK1-21A/31A...

  • Page 22: 3- 5．Paper Sensor Position

    Note 1,2,3 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. ２２ SK1-21A/31A...
  • Page 23 Distance from paper edge （±1.0mm） Reflection sensor（Left） 4.2mm Gap sensor 19.3mm Reflection sensor (Right) 54.2mm Note1: Black mark sensor and gap sensor are embedded in the factory as options. Note2: Black mark on reverse of thermal paper is sensored. ２３ SK1-21A/31A...

  • Page 24: 3- 6．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 ２４ SK1-21A/31A...

  • Page 25: 3- 7．Dimensions

    3- 7．Dimensions External dimensions（Unit：mm） SK1-31 with paper φ102mm ２５ SK1-21A/31A...
  • Page 26 SK1-31 with paper φ83mm／φ120mm ２６ SK1-21A/31A...
  • Page 27 SK1-21 with paper φ102mm ２７ SK1-21A/31A...
  • Page 28 SK1-31 with paper φ83mm／φ120mm ２８ SK1-21A/31A...

  • Page 29: Functions

    ① Turn ON the power switch while pressing the FEED switch. ② When the LED lights up and the printer starts printing, release the FEED button. ③ After completing the self test printing, the printer goes to Standby mode. [Printing samples] ２９ SK1-21A/31A...

  • Page 30: 4- 2．Hex Dump Mode

    2. When the LED lights up and printing starts, release the button. 3. The printer prints out the current setting mode and returns to that function setting. 4. To change the current function setting, press the feed button. 5. Refer to setting flow chart in “Setting of memory switch.” ３０ SK1-21A/31A...
  • Page 31 0x00 0x20 0x28 0x07 0x1E 0x00 0x3C 0x04 0x00 0x00 Serial ID = Non Data ---CURRENT VOLTAGE--- Current supply voltage 24.0V ---SENSOR--- Mark sensor detection level Reflection = 0.8V （Threshold voltage） Transmission = 0.8V Bezel sensitivity = 2.0V Table 2 Example ３１ SK1-21A/31A...

  • Page 32: 4- 4．Setting The Memory Switch

    ・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. MODE END (Finish) Modified data are stored automatically. ３２ SK1-21A/31A...

  • Page 33: 4- 5．Memory Switch Setting Menue

    140% / 150% PRINT WIDTH Comply with 80/72 Select the paper width. classified 60/56 (Printing width is set at the factory) paper width 58/54 83/80 Select maximum printing speed MECHANISM 200mm/s 110mm/s SPEED 130mm/s 150mm/s 170mm/s 190mm/s 200mm/s ３３ SK1-21A/31A...
  • Page 34 Select the flow control of serial communication. CONTROL Xon/Xoff INVALID INVALID Select the CTS signal of the serial communication AVAILABLE VALID INVALID ・・・ CTS signal is invalid. VALID ・・・ CTS signal is valid. * function added after V1.99 ３４ SK1-21A/31A...

  • Page 35: 4- 6．Adjusting Printing Density

    After the paper runs out and the printer detects paper empty, the status LED turns On and the printer goes OFFLINE. ● Print head open When the print head is lifted up, the status LED turns ON and the printer goes OFF-LINE. After closing the print head, the printer goes on standby. ３５ SK1-21A/31A...
  • Page 36 ON (Red LED) ●Unrecoverable error Status Auto cutter lock ○◎○◎ (Red and Green LED) Upper limit voltage error ○◎○◎ (Red and green LED) (≒27.0V or higher） Lower limit voltage error ○◎○◎ (Red and green LED) (≒18.0V orlower ) ３６ SK1-21A/31A...

  • Page 37: 4- 8．Memory

    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. ３７ SK1-21A/31A...

  • Page 38: Bezel Module

    Bezel Mode C This function is basically worked for the same as Bezel Mode-A but This mode is not performed to adjust the paper length commonly worked at Mode A/B. The full cut is performed at this mode. ３８ SK1-21A/31A...

  • Page 39: Presenter

    After that, the paper is removed over the time-out by retraction mode or eject mode. The timing chart is shown as below. （2）Continuous mode Presenter is continued to feed syncronized with cutting by Continuous mode. This mode is recommended if 250mm paper is over. Timing Chart is shown as below. ３９ SK1-21A/31A...

  • Page 40: 6- 3．Stock Space And Exit Space

    The hight of stock space is to be more than 1/2 of the paper length. ※2. For retraction of printed papers, place the retraction box at the exit of printed papers. The box height is to be 1.5 times more than the paper length. ４０ SK1-21A/31A...

  • Page 41: Interfaces

    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 ４１ SK1-21A/31A...

  • Page 42: 7- 2．Serial

    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) ４２ SK1-21A/31A...
  • Page 43 （5）Conditions of input / output signal Rate value Item Condition Unit Min. Typ. Max. High input voltage RxD、CTS +2.8 ― Low input voltage RxD、CTS ― -2.8 High output voltage TxD、RTS +2.8 ― (RL=3KΩ) Low output voltage TxD、RTS ― -2.8 (RL=3KΩ) ４３ SK1-21A/31A...

  • Page 44: 7- 3．Power Supply

    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. ４４ SK1-21A/31A...

  • Page 45: Label Print

    It is recommended to choose this mode when the height of the label is relatively short or back feeding cannot be performed. Refer to the command setting for DC2 L / n3、n4 parameter 0. ４５ SK1-21A/31A...
  • Page 46 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. ４６ SK1-21A/31A...
  • Page 47 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. ４７ SK1-21A/31A...
  • Page 48 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. ４８ SK1-21A/31A...

  • Page 49: Maintenance

    ・ 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. ４９ SK1-21A/31A...

  • Page 50: 9- 2．Service For Trouble Shooting

    9- 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 2-61-1 Ikebukuro, Toshima-Ku, Tokyo 171-0014, Japan TEL: 81-3-3986-1188 FAX: 81-3-3988-5876 www.sanei-elec.co.jp ５０ SK1-21A/31A...

  • Page 51: Command Systems

    ESC M Choose a character font ESC R Choose an international character ESC t Choose the character code table ESC & Register a download character ESC ? Erase a download character ESC % Specify and cancel a download character ５１ SK1-21A/31A...
  • Page 52 FS Q Specification of image registration onto the nonvolatile memory FS R Cancel Image registration in the nonvolatile memory FS O Set printing image registered in the nonvolatile memory FS P Cancel printing image registered in the nonvolatile memory ５２ SK1-21A/31A...
  • Page 53 Select the active mode on the presenter ESC r 0 Select the presenter operation ESC r 1 Set the time-out for the retractive mode. ESC r 3 Select the presenter mode ESC r @ Reset of the presenter error factor ５３ SK1-21A/31A...

  • Page 54: 10- 2．Data Code Table

    10- 2．Data code table PC437 ５４ SK1-21A/31A...
  • Page 55 KATAKANA ５５ SK1-21A/31A...
  • Page 56 PC850 ５６ SK1-21A/31A...

This manual is also suitable for:

Sk1-31a

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