Star Micronics gemini-10X User Manual
Star Micronics gemini-10X User Manual

Star Micronics gemini-10X User Manual

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DOT
MATRIX
PRINTER
gemini-10X
USERS MANUAL
(PRELIMINARY)

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Summary of Contents for Star Micronics gemini-10X

  • Page 1 MATRIX PRINTER gemini-10X USERS MANUAL (PRELIMINARY)
  • Page 3: Table Of Contents

    CON TEN T S Installation" •••••••...•.••••.••.••.•••••••••••••• 1 Open Carton Box •••••••••••••••••••••••••••••••••• 1 Names of Each Part •••••••••••••••••.••••••••••••• 2 Location of the Printer •.••••••••••.••••••••••••• 4 Remove Packing and Fixing Screws for Shipping •••• 5 Removing and Mounting of Tractor Unit •••••••••••• 7 Mounting of Paper Separator and Paper Guide ••••••...
  • Page 4: Installation

    Inst Open Carton Box r openi he carton box ease confirm that ollowing accessor es and consumab es a e in he box Printe ( 1) Holder Shaft ( 6) ( 2) Prin Cover I nk Ribb on Pape Guid Spare ( 8) per Sep...
  • Page 5: Names Of Each Part

    Names of Each Part Printer r Switch Platen Knob Front View Fig. 1-2 DIP Switch 2 Connector for Parallel Interface Port Hole for Serial Interface (optional) Ground Terminal Power Cord Fig. 1-3 Back View...
  • Page 6 Platen Knob Control Logic Board Power Supply Unit Fig. 1-4 Internal Construction...
  • Page 7: Location Of The Printer

    Location of the Printer When you install the Gemini printer, the following points should be observed. Place the printer horizontally. Avoid places where the printer is exposed to direct sunshine or close to a heater, or heat generating applicances. Do not operate the printer under circumstances of extreme high or low temperature, or of strong vibration.
  • Page 8: Remove Packing And Fixing Screws For Shipping

    Remove Packing and Fixing Screws for Shipping Printer mechanism is secured by two screws on the bottom of the printer and packing material is also placed inside the printer to secure the print head and platen during shipping. Before you use your printer, remove packing and screws with the following procedures.
  • Page 9 (5) Remove the packing material from inside of the printer as shown in Fig. 1-6. Platen Jamb Packing for Print Head Print Head Platen Jamb Fig. 1-6 Removing Packing...
  • Page 10: Removing And Mounting Of Tractor Unit

    Removing and Mounting of Tractor Unit The Gemini tractor unit is easy to remove or install. During shipment, the tractor unit is mounted on the printer. However, this unit is only necessary for Sprocket paper. When other papers (Single sheet, Roll paper) are used, the unit should be removed.
  • Page 11 1-5-2 Mounting of Tractor Unit (1) Insert cut-out parts (shown "A") the tractor frame left and right to the stoppers of the printer as shown in Fig. 1-8. (2) Push the tractor unit slightly downward, it then fits in properly to the hooks (shown "B") , which are provided at end of the snap levers, to clamp lever shafts.
  • Page 12: Mounting Of Paper Separator And Paper Guide

    Mounting of Paper Separator and Paper Guide Paper separator and paper guide for smooth paper feed To insert the paper se?arator and paper guide, insert one side to the hole of printer, then gently bend back the other protruding end until it slips into place.
  • Page 13: Setting Roll Paper Holder

    Setting Roll Paper Holder (1) Lift the printer a little bit, then slide in the roll paper holder to the printer. Insert the hooks of the roll paper holder to the holes ·which are provided at the back side of the printer. Fig.
  • Page 14 (3) Place the roll paper with shaft to the roll paper holder, as shown in Fig. 1-12. Check that the unwinding direction of the roll paper is correct. Roll Paper IHolder Shaft Fig. 1-12 Setting Roll Paper to Holder -11-...
  • Page 15: Installation Of Ink Ribhon

    Installation of Ink Ribbon (1) Turn the power off and remove the printer cover. (2) Slide the print head gently with your fingures to the approximate center of its pathway. (3) Begin by setting either ribbon spool securely on a ribbon spool axis. Make sure you have the spool positioned so it will wind/unwind as shown in the figures.
  • Page 16 (5) The eyelet grommet (which signals Gemini to automatically reverse the ribbon direction) should be placed on the ribbon spool side of the change- over lever, as shown in Fig. 1-15. Slit of Changeover Lever ~,~, '" " ' , "<...
  • Page 17: Inserting Paper

    Inserting Paper 1-9-1 Inserting Single Sheet Paper (1) Turn the power off and remove the printer cover. (2) Make sure the release lever (on the left side of the printer) is set in the "T" position (which is the "open" mode for inserting the paper; you'll "close"...
  • Page 18 1-9-2 Inserting Roll Paper (1) Turn the power off and remove the printer cover. (2) Remove the tractor unit, if you have not already done so. (3) Following the procedures described in sections 1-6 and 1-7, install the paper separator, guide, and holder. (4) Pull the release lever (located on the left side of the printer) into the "open"...
  • Page 19 Fig. 1-20 Installing Roll Paper (10) When the paper has been pushed through so it's above the paper press, push the press back so it's in its operational position (that is, flush against the paper). (11) Adjust the paper, if necessary, so it will feed through straight; then, push the release lever back to the "locked"...
  • Page 20 1-9-3 Inserting Sprocket Paper (1) Tu:cn the power of f and remove the printer cover. (2) Install the tractor unit, as described in section 1-5-2. (3) Install the paper separator and paper guide, as described in section 1-6. (4) Pull the release lever, located on the left side of the printer, toward the "open"...
  • Page 21 Paper Separator Tractor Cover\ Paper Fig. 1-23 Installing SprQcket Paper (15) Close the tractor covers and snap the clamp levers back into the "locked" position. (16) Rotate the platen knob, and roll the paper up or down until the correct "print-start"...
  • Page 22: 1-10 Adjusting Gap Between The Print Head And Platen

    1-10 Adjusting Gap between the Print Head and Platen This printer can accommodate papers of varying thicknesses, by allowing you to change the print head gap. This "gap" is the distance between the print head and the platen. Gap adjustment is done by moving the "adjust lever" which is immediately in front of the "release lever"...
  • Page 23: Operation

    Operation Operation Items The power switch is located on the right side of the printer, operation switches and indicator lamps (Light Emitting Diode) on the front panel, and one of the DIP switches and parallel interface connector on the rear of the printer And as an option a serial interface can be installed in the printer.
  • Page 24: Connection Of The Printer With The Parallel Interface

    Connection of the Printer with the Parallel Interface Connect your computer to the connector mounted at the rear of the Gemini printer with an interface cable meeting the following condition, and tighten the connecting plug with the clamp pins to prevent the connecting plug from being disconnected.
  • Page 25: Setting Of Dip Switches

    Setting of DIP Switches The following functions can be selected by appropriate setting of the two DIP switches provided on the control logic board. One of the DIP switches can be set at the rear of the printer, however in case of another switch, it is necessary to disassemble the upper case. When you need to disassemble the upper case, please refer to section 5-2-1.
  • Page 26 (1) Setting of DIP Switch 1 It is necessary to disassemble the upper case of the printer for setting this DIP switch. Please refer to section 5-2-1 to disassemble the upper case. [Function of DIP Switch 1] DIP Switch Factory-set Function Pin No.
  • Page 27 (2) Setting of DIP Switch 2 It is possible to set from the rear of the printer without disassemblying the upper case, as shown in Fig. 2-5. " DIP Switch Fig. 2-5 Setting of DIP Switch 2 [Function of DIP Switch DIP Switch Function Pin No.
  • Page 28: Printer Initialization

    Printer Initialization The printer initialization can be accomplished three ways. The easiest to do is turn the power switch "off", then turn it back lion" again. Another way is to apply the INPUT PRIME signal [parallel pin no. 31) to the interface connector (refer to section 6-4-2) •...
  • Page 29: Paper-Out Detector

    Paper-Out Detector The Gemini printer is provided with a paper-out detector at the position shown in Fig. 2-6. When paper-out detection is performed the paper-out detector, the Paper Out Lamp is lit and the printer is stopped and put it in "off line" mode, thus stopping the printer from recelvlng anymore data.
  • Page 30: Character Set

    Character Set Gemini-lOX Printer is provided with a Standard Character ROM and a Download Character RAM, the latter of which enables a user to define any character patterns desired. Selection of Standard Character ROM and Download Character RAM are shown in Fig.
  • Page 31: Standard Ascii Character & International Character Set

    & Standard ASCII Character International Character Set Data code list of Standard ASCII Character Set is shown in Fig. 3-2. Besides, it is possible, for the portion there of indicated by frame to be converted to the International Character Set by setting of DIP switches and/or control codes as shown in Fig.
  • Page 32 Fig. 3-3 Data Code List of International Character Set -29-...
  • Page 33: Block Graphic & Special Character Set

    & Block Graphic Special Character Set Data code list of block graphic and special character set is shown in Fig. 3-4. & Fig. 3-4 Data Code List of Block Graphic Special Character Set -30-...
  • Page 34: Italic Ascii Character Set

    Italic ASCII Character Set Data code list of Italic ASCII Character Set is shown in Fig. 3-5. This character set can be selected by setting of the DIP switch or control code "ESC 4". Fig. 3-5 Data Code List of Italic ASCII Character Set -31-...
  • Page 35: Download Character Set

    Download Character Set It is possible to prepare, at will, other characters than those shown in Figs. 3-2 through 3-5, for example, scientific symbols and other special characters. These characters are called "Download Characters". Further, these "Download Characters" are utilized when only a portion of the characters shown on list of character codes are desired to be changed to other characters.
  • Page 36 3-4-2 Printing Method of Download Characters The characters so defined can not be printed only by inputting them into RAM. $ 1" control code, It is necessary to select the download character set by "ESC and, then, to designate the characters desired to be printed, then, characters so defined are printed by Gemini.
  • Page 37: Bit Image Graphics Mode

    Bit Image Graphics Mode Besides the functions for printing character patterns, Gemini-lOX is provided another function for printing dots on the printer at desired positions and forming by collection of these dots, desired image or pattern. Gemini-lOX printer can produce the four bit image graphics modes, as shown below, with control codes.
  • Page 38 Relationship Between Data and Dot Wires Fig. 3-6 shows the relationship between the graphic data and the dot wires in the print head. 7-bit Interface Dot Wire of Print Head 8-bit Interface Upper . 1 - - - - - - - - ' .~------------~ .~--------------~ Lower...
  • Page 39: Functional Control Codes

    Functional Control Codes This chapter explains the purpose, appearance and use of the- functional control code. The format of these descriptions is as follows: Shows the functional control code. CODE: Tells what the function code accomplishes. PURPOSE: Shows the correct format for the control sequence, giving FORMAT: ASCII code sequences.
  • Page 40 Font Pitch Controls ESC B 1 CODE: Set the print pitch to Pica-sized mode PURPOSE: CHR$(27) CHR$(66) CHR$(l) FORMAT: After this command is set to the printer, subsequent printing REMARKS: is done in Pica-sized mode (10 characters per inch). The number of print columns per line is 80. This command is cancelled by the transmission of the ESC B 2 code, or ESC B 3 code, or S1 code.
  • Page 41 ESC W 1 CODE: Cause the printer to print in Enlarged mode PURPOSE: CHR$(27) CHR$(87) CHR$(l) FORMAT: After this code is sent, subsequent data are converted to REMARKS: (character per inch), 12 pitch is converted to cpr. 6 CPl, and 17 is converted to 8.5 This command is cancelled by the transmission of the ESC W code.
  • Page 42 Special Print Modes ESC G CODE: Print characters in Double-strike printing mode PURPOSE: CHR$(27) CHR$(71) FORMAT: When ESC G code is transmitted to the printer, subsequent REMARKS: characters are printed in the double-strike mode. The double-strike is cancelled when the ESC H code is sent to the printer.
  • Page 43 Special Printing Effects ESC - CODE: Print characters with underline PURPOSE: CHR$(27) CHR$(45) CHR$(l) FORMAT: When the ESC - code is sent to the printer, all subsequent REMARKS: characters are printed with an underline. The underline mode is cancelled by the transmission of ESC - 0 code.
  • Page 44 ESC U 1 CODE: Print in uni-directional printing mode PURPOSE: eHR$ (27) CHR$ (85) CHR$ ( 1) FORMAT: When ESC U 1 code is sent to the printer, all subsequent REMARKS: lines are printed in uni-directional printing mode. This mode is invoked by the super/subscript mode and by the graphics mode.
  • Page 45: Of The Print Head

    Commands Used to Control Vertical Position of the These commands are used to control or move the paper relat-ive to the locations of the print head. Moving the paper "up" has the effect of moving the print head "down" the page. Line Feed Controls CODE: Advance the paper by one line (Line feed command)
  • Page 46 Change the line feed to n/144 inches PURPOSE: CHR$(27) CHR$(Sl) CHR$(n) FORMAT: When this command is sent to the printer, successive line REMARKS: feeds are set to n/144 inches. The value of must be between 1 and 127. ESC 0, ESC 1, ESC 2, ESC A REFERENCE: CODE: Send a one-time-only line feed of n/144 inches...
  • Page 47 Form Feed Controls CODE: Advance the paper to the next top of form PURPOSE: CHR$(l2) FORMAT: When this command is received by the printer, it causes REMARKS: the paper to be advanced to the top of the next page or form.
  • Page 48 ESC 0 CODE: Cancel the skip-over perforation feature PURPOSE: CHR$(27) CHR$(79) FORMAT: When this command is received, the skip-over perforation REMARKS: "ESC N n" code and the line location of the header of the form set "ESC R n" code are cancelled. ESC N n, ESC R n REFERENCE: -45-...
  • Page 49 Vertical Tabs CODE: Advance paper to the next vertical tab PURPOSE: CHR$ (11) FORMAT: When this command is received, the paper is advanced to REMARKS: the next vertical tab position. The vertical tab positions are set upon "power on" printer reset to lines 6, and 60.
  • Page 50: Commands Used To Control Horizontal Position Of The Print Head

    Commands Used to Control Horizontal Position of the Print Head These commands are used to control the horizontal position of the print head. CODE: Return the print head (carriage) to the horne print position PURPOSE: CHR$ (13) FORMAT: When this command is sent, the print head moves to the horne REMARKS: print position.
  • Page 51 ESC D nj n2 ••.•. NUL CODE: Set the horizontal tab positions PURPOSE: CHR$(27) CHR$(68) CHR$(nj) CHR$(n2) ••••••••••• CHR$(O) FORMAT: When this command is sent to the printer, the existing REMARKS: horizontal tab positions are cancelled. The new horizontal tab positions are set to column nj, The NUL [CHR$(O)] character is used to end the command.
  • Page 52: Commands Vsed To Control Graphics

    Commands Used to Control Graphics These commands are used to control the bit image graphics mode. ESC K nj n2 m; m2 •••.• CODE: Print Normal-density graphics PURPOSE: CHR$(27) CHR$(75) CHR$(nj) CHR$(nz) CHR$(mj) CHR$(mz) FORMAT: This command selects the 60 dots per inch column scan bit REMARKS: image graphics mode.
  • Page 53: Commands Used To Download Character

    Commands Used to Download Character These commands are used to control the download characters. For details, please refer to section 3-4. CODE: ••••• Define the download character into PURPOSE: CHR$(27) CHR$(42) CHR$(l) CHR$(nj) CHR$(n2) CHR$(mj) CHR$(mZ) FORMAT: you define the download character, character patterns ~~en REMARKS: are inputted with...
  • Page 54: Commands Used Macro Instruction

    Commands Macro Instruction Used These commands are used to control the macro instruction. + ..CODE: Define the macro instruction PURPOSE: CHR$(27) CHR$(43) ••••••••••• CHRS(30) FORMAT: When this code is sent to the printer, the existing macro REMARKS: instruction is cancelled. The new macro instruction is set.
  • Page 55: Other Function Codes

    Other Function Codes CODE: > Control valus of the eighth bit of data to logic-l PURPOSE: CHR$(27) CHR$(62) FORMAT: This command is used to control the value of the eighth bit REMARKS: of the data that is sent to the printer. After this command is received by the printer, all subse- quent data is processed with the 8th bit regarded as set This code should not be used to transmit printer function...
  • Page 56 CODE: Put printer in "off line" mode PURPOSE: CHR$(19) FORMAT: When this code is sent to the printer, Gemini assumes REMARKS: the off line mode. All subsequent characters and control codes sent to the printer are disregarded. The only control code that is processed is DCl [CHR$(19)]. REFERENCE: CODE: Put printer in !'on line'! mode...
  • Page 57 ESC 8 CODE: Disregard the signal from the "paper-out" detector PURPOSE: CHR$(27) CHR$(56) FORMAT: When this code is sent to the printer, the signal from REMARKS: the "paper-out" detector is disregarded, This code allows to print on a single sheet, YOLl If the "paper-out"...
  • Page 58: Maintenance

    Maintenance Cleaning In order to maintain optimum performance over the life of the Gemini printer, it is necessary to perform periodic cleanings. (1) Remove dirt and dust from the case and cover of the printer by using a soft cloth with alcohol. (Note) Be careful so as not to moisten electronics parts and/or the printer mechanism.
  • Page 59: Replacement Of Parts

    Replacement of Parts 5-2-1 Removal of Upper Case When you need to set the DIP switch 1 as described in section 2-3, or to change other parts in the printer, it is necessary to remove the upper case of the printer. (1) Turn off the power switch, and unplug the power plug from the power receptacle.
  • Page 60 5-2-2 Replacement of Fuse If the printer is not operating and the indicator lamp does not light although the printer is connected to a power source and the power switch is turned on, first check the fuse. (1) Remove the upper case of the printer as described in section 5-2-1. (2) Check the fuse on the fuse board near the power switch.
  • Page 61 5-2-3 Replacement of Print Head When replacing the print head, follow the procedures given below. (1) Remove the printer cover and ink ribbon. (2) While holding the head cable board, extract the head cable from the head connector. (3) Remove two screws and washers fastening the print head. (4) Install a new print head, and fasten it with fastening screws and washers.
  • Page 62: General Specifications

    General Specifications Printer Specifications SPECIFICATIONS ITEM Serial impact dot matrix system Printing System Parallel interface (Centronics compatible) -standard- Interface Serial interface (RS-232C level) -option- Standard characters: 9 dot Character Matrix matrix Block graphics: dot matrix Bit image graphics mode: [Normal density] 480 dot matrix [Dual density]...
  • Page 63 -.--.-~ I~---.-~ ___ J rr-=-= r=== II""""'- C---I- [15.2 inches] ' " Fig. 6-1 External Dimensions -60-...
  • Page 64 Control Logic Board Unit Control & Drive Printer Mechanism Circuit Block Interfacel Parallel Block Power Supply Unit r - - - - - - - - - - - - - . , Serial Interface : Block (option) 1... _ _ _ _ _ _ _ _ _ _ _ _ _ r - - - - - - - - - - - - - , FIFO lnpu t Buffer B_o.':r~ J~P.t~o~~...
  • Page 65: Form Specifications

    Form Specifications ITEM SPECIFICATIONS Single Sheet Width 25.4 cm [8 10 inches] 0.07 0.1 mm [1/363 1/254 inch] Thickness Roll Paper 22 cm [8.5 inches] Width 0.07 0.1 mm [1/363 1/254 inch] Thickness Diameter of Roll cm [5 inches] Max. Sprocket Paper 3 sheets (1 original and 2 carbonless copies) Copy...
  • Page 66: Parallel Interface Specifications

    Parallel Interface Specifications 6-4-1 Specifications ITEM SPECIFICATION Data Transfer Rate 1,000 6,000 characters per second Synchronization System By strobe pulses supplied externally Handshake By ACK and BUSY signals (Refer to Fig. 6-4.) Logic Level Compatible with TTL level (Refer to Fig. 6-5) Connector Signals Refer to section 6-4-2 r--Approx.
  • Page 67 6-4-2 Connector Signals and Functional Description for Parallel Interface I/O Classi- Functional Description Signal Name fication Strobe pulse used for reading in data STRoiiE (normally high) • When this signal goes low, data is read. DATA 1 DATA 2 DATA Parallel signals from 1st bit to 8th bit DATA 4 of data.
  • Page 68 I/O Classi- Functional Description Signal Name fication TWISTED PAIR DATA 6 RETURN (PIN TWISTED PAIR DATA RETURN (PIN DATA 8 TWISTED PAIR Return lines of various signals. RETURN (PIN ______________ ____ ______________________ Connect a twisted pair cable to TWISTED PAIR each of these pins and its _________ RE_T_U_RN __ ~(P_I_N...
  • Page 69: Serial Interface Specifications [Option]

    Serial Interface (Option) Two serial interface boards are optionally available to be installed in the lower case of the Gemini-lOX printer. The general specifications of these boards are shown below. For details, please refer to the manual of each serial interface board. SPECIFICATIONS ITEM Synchronization System...
  • Page 70 Appendix A Code Chart This chart shows the code numbers in decimal, hexadecimal and binary form. Hexa- Hexa- Decimal Binary Decimal Binary decimal decimal 00000000 00110101 00110HO 00000001 00000010 00110Hl 00000011 00111000 00111001 00000100 00111010 00000101 00000110 00111011 00111100 00000111 00001000 00111101 00111110...
  • Page 71 Hexa- Hexa- Decimal Binary Decimal Binary decimal decimal 01101010 10100010 10100011 01101011 10100100 01101100 10100101 01101101 01101110 10100110 10100111 01101111 01110000 10101000 01110001 10101001 01110010 10101010 01110011 10101011 01110100 10101100 01110101 10101101 01110110 10101110 01110111 10101111 01111000 10110000 01111001 10110001 01111010 10110010 01111011...
  • Page 72 Hexa- Binary Decimal decimal 11011010 11011011 11011100 11011101 11011110 11011111 11100000 11100001 11100010 11100011 11100100 11100101 11100110 11100111 11101000 11101001 11101010 11101011 11101100 11101101 11101110 11101111 11110000 11110001 11110010 11110011 11110100 11110101 11110110 11110111 11111000 11111001 11111010 11111011 11111100 11111101 11111110 11111111 -69-...
  • Page 73 Appendix B Control Code Summary Refer to CONTROL CODE FUNCTION Page 46,47 Use to end the tab set commands Activate the Gemini "buzzer" Move the print head back one space Move the print head to the next horizontal tab location Advance the paper by one line Advance paper to the next vertical tab Advance the paper to the next top of form...
  • Page 74 Refer to FUNCTION CONTROL CODE Page Send a one-time-only line feed of n/144 inches Print Normal-density graphics K nl ml m2 Print Dual-density graphics ESC L ml m2 Set the left-hand print margin ESC M Set the skip-over perforation feature ESC N Cancel the skip-over perforation feature ESC 0...
  • Page 75 FEDERAL COMMUNICATIONS COHNISSION RADIO FREQUENCY INTERFERENCE STATEHENT "This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer's instructions, may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a ,Class B computing device in accordance with the specifications in Subpart of Part 15 of FCC Rules, which are designed to provide reasonable protec- tion against such interference in a residential installation.
  • Page 76 ~~Irv- mlcronlCSolnc THE POWER BEHIND THE PRINTED WORD. STAR MICRONICS, INC. (N.Y.) Pan Am Building Suite 2308 200 Park Ave. New York, NY 10166 (212) 986·6770 STAR l\lICRONICS, INC. (DALLAS) ST AR MICRONICS, INC. (CA.) Suile 216 #3 Oldfield ll20 Empire Central Place Irvine.

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