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APS EPM203-MRS Technical Reference

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Advanced Printing Systems
EPM203-MRS
Technical reference
EPM203-MRS
- Technical reference -
Rev. G
Page 1

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Summary of Contents for APS EPM203-MRS

  • Page 1 Advanced Printing Systems EPM203-MRS Technical reference EPM203-MRS - Technical reference - Rev. G Page 1...

  • Page 2: Preface

    Advanced Printing Systems Preface • This manual provides a complete technical information for the EPM203-MRS "Easy Loading Printing Module". • For customized mechanisms, A.P.S. supplies documentation in addition to the present specification. • The present specification is valid also for customized types, where the different condition has not effects for common data (e.g.: different colour of case parts).

  • Page 3: Revision History

    Denmark character set (ESC R n). UPC-E barcode enhancement. 28-July-2005 Minor enhancements. 10-Oct-2005 Text mode : a last character is possible even if next character spacing does not hold in the 22/Mar/06 line. Minor enhancements. EPM203-MRS - Technical reference - Rev. G Page 3...

  • Page 4: Table Of Contents

    Preface............................ 2 Revision history........................3 Table of contents ........................4 1. Introduction ........................5 1.1 EPM203-MRS main features..................6 2. General specifications ....................7 3. Printer Device Interconnection ..................8 3.1 Power supply connector..................... 8 3.2 Serial communication connector ................9 3.3 Parallel communication connector ................

  • Page 5: Introduction

    Advanced Printing Systems 1. INTRODUCTION The EPM203-MRS is a 2 inches, 3V, Easy Loading Printing Module with an integrated control board using serial and parallel communication protocols. The EPM module consists of a set of mechanical and electronic parts. These parts have been designed to have a high grade of integration and to perform many different functions.

  • Page 6: Epm203-Mrs Main Features

    Advanced Printing Systems EPM203-MRS main features Fully hot plug printer Single power supply From 3 Volts to 7.2 Volts 3 Communication ports Serial : RS232 ( speed up to 57600 Bds TTL ( speed up to 57600 Bds Centronics. Software programmable consumption...

  • Page 7: General Specifications

    - Room temp.: 20 ÷ 25 °C Max. 15% in resistance pulse resistance pulses value (Ω) of any dot, from its initial value Abrasion/wear 50 km of paper resistance Cover Group, 2000 operations Opening/closing or more cycle EPM203-MRS - Technical reference - Rev. G Page 7...

  • Page 8: Printer Device Interconnection

    Molex, 53047 Series 9 contacts (male) Contacts: 50079/50058. Pin number Signal name V bat V bat V bat V bat IMPORTANT NOTE: Wires AWG28 must be used in order to avoid current losses EPM203-MRS - Technical reference - Rev. G Page 8...

  • Page 9: Serial Communication Connector

    Advanced Printing Systems Serial communication connector The EPM203-MRS printer integrates 2 serial communication connectors. The RS232 connector is specially dedicated to the full RS232 protocol (+/-12V levels), when the TTL connector is designed to handle TTL levels (0/5V levels). Logic Signal...
  • Page 10 Molex 51021 Series (female) Molex, 53047 Series 5 contacts (male) Contacts: 50079/50058. Pin number Signal name Transmit data (Txd, printer output) Receive data (Rxd, printer input) CTS/DSR (printer input) RTS/DTR (printer output) EPM203-MRS - Technical reference - Rev. G Page 10...

  • Page 11: Parallel Communication Connector

    The EPM is supplied with sleep mode enabled at power up, thus the contacts on this connector are not wired together. If pin 1 and 2 are wired together, the sleep mode feature is disabled. See "ESC S" control code for more details about the sleep mode. EPM203-MRS - Technical reference - Rev. G...

  • Page 12: Epm Device Operations

    Switch OFF the printer if pressed more than 2.5 seconds Power-On Switch On the Feeds Paper if not Push Button Feeds Paper Printer already printing 1 Flash 3 Flash Always "ON" 4 Flash “ON” “ON” “ON” EPM203-MRS - Technical reference - Rev. G Page 12...

  • Page 13: Self Test Mode

    Firmware Revision Logic voltage Printer type 8x16 Internal Character set 12x20 Internal Character set 7x16 Internal Character set EPM203-MRS - Technical reference - Rev. G Page 13...

  • Page 14: Timing For Parallel Communication

    25 µs This time is fixed by the host. Time ACK (tACK) 3µs IMPORTANT NOTE: The data (D0-D7) must be stable for tVALDATA. If not, please contact APS for additional cabling. EPM203-MRS - Technical reference - Rev. G Page 14...

  • Page 15: Serial / Parallel Mode Selection

    If the first character is received on the serial port, the communication will be serial, and vice versa for parallel. This first character will be interpreted like any other incoming byte into the printer. EPM203-MRS - Technical reference - Rev. G...

  • Page 16: Text Printing Format

    10mm height. Horizontal character spacing and line spacing may be adjusted via the software. Character per line is up to 64 in standard text, 32 in double width, and 16 in quadruple width. EPM203-MRS - Technical reference - Rev. G...
  • Page 17 Horizontal character spacing and line spacing may be adjusted via the software. Character per line is up to 48 in standard text, 24 in double width, and 12 in quadruple width. This font includes the Katakana characters set. EPM203-MRS - Technical reference - Rev. G...

  • Page 18: Operating Control Codes

    Set paper loading pause GS p n Sets paper loading length GS P n1 n2 Ejects paper GS e n Sets eject direction GS d n Sets paper loading speed GS M n1 n2 EPM203-MRS - Technical reference - Rev. G Page 18...
  • Page 19 Print bar code GS k n [Start] <data> NUL Barcode Height GS h n Barcode magnification GS w n Text position in Barcode GS H n Set/reset rotated barcode GS R n EPM203-MRS - Technical reference - Rev. G Page 19...
  • Page 20 Advanced Printing Systems Hole and black mark detection commands Command Description Set Mark length GS L n Set TOF position GS T n1 n2 TOF feed paper GS E EPM203-MRS - Technical reference - Rev. G Page 20...

  • Page 21: Setup And Hardware Control Commands

    Description: Set print Intensity Format: <1Dh> <44h> <n> Comments: n=80h (128d) : (Default). Nominal print intensity n>80h (128d) : Printout becomes darker n<80h (128d) : Printout becomes lighter (n from 0 to 255 (FFh)). EPM203-MRS - Technical reference - Rev. G Page 21...
  • Page 22 The printer returns a string ended by zero (00h) that reflects the printer identity. The string is formed by the combination of the following: EPM □□□ MRS □.□□ Firmware revision Printer device type EPM203-MRS - Technical reference - Rev. G Page 22...
  • Page 23 = 0 to 255: (Default n = 0: feature disabled). This command puts the printer in sleep mode when no print activity has occurred after a certain. Timeout is n * 5 seconds. For more information, please contact A.P.S. EPM203-MRS - Technical reference - Rev. G...
  • Page 24 By default n = 50 which gives 80µs for the minimum duration of tBUSY. The time is given by the formula: (n * 1µs) + 30µs. (n from 00h to FFh). EPM203-MRS - Technical reference - Rev. G...
  • Page 25 This command is intended for test purposes. GS o Description: Sends the current level of the opto. Format: <1Dh> <6Fh> Comments: The printer responds with a byte representing the opto level. EPM203-MRS - Technical reference - Rev. G Page 25...
  • Page 26 - mark length - top of form position - mark to cut position - head to cut length - opto to head length - acceleration smoothing - international character set - autosleep time EPM203-MRS - Technical reference - Rev. G Page 26...
  • Page 27 = 0 : the eject direction is the forward feed direction (default) n = 1 : the eject direction is the reverse feed direction If n is not either 0 or 1, the command is ignored. EPM203-MRS - Technical reference - Rev. G...
  • Page 28 Bytes n1, n2, set the time T (in µs) between each step: T = (256*n1) + n2. 1500 < T < 32000. Default: T = 11520: n1 = 45, n2 = 0. Speed: (1/( 8 * 11520e-6)) = 10.8 mm/s. EPM203-MRS - Technical reference - Rev. G Page 28...

  • Page 29: Text And General Commands

    Sets the line pre-spacing. (Default n = 0). n may vary from 0 to 15. The line spacing pitch is 1/8mm. Note: This is usefull when printing in inverse video if some character pixels are on the first dotline. EPM203-MRS - Technical reference - Rev. G...
  • Page 30 The value of n specifies how text will be justified. n = 0: text will be centered. n = 1: text will be right justified. n = 2: text will be left justified. Default is left justification. EPM203-MRS - Technical reference - Rev. G Page 30...
  • Page 31 Comments: Move the print position to the beginning of the next line. Note: if CR is followed by LF, the printer will ignore the LF after CR. So, CR = LF = CR+LF. EPM203-MRS - Technical reference - Rev. G...
  • Page 32 Description: Cancel print data buffer (text mode) Format: <18h> Comments: The print buffer is cancelled and the print position is set to the beginning of the next line. EPM203-MRS - Technical reference - Rev. G Page 32...

  • Page 33: Graphic Commands

    = 124d, n2 = 43d, n3 = 0d, n4 = 0d, n5 = 1d, n6 = 46d or n1 = 7Ch, n2 = 2Bh, n3 = 0h, n4 = 0h, n5 = 1h, n6 = 2Eh EPM203-MRS - Technical reference - Rev.
  • Page 34 8 (for instance EPM203-MRS is 384/8 = 48), and n3 is always 0. n1 is the resolution: 0 is standard size,1 is double width, 2 double height, 3 is expanded.

  • Page 35: Bar Code Commands

    0.125mm units are used to define the module of each barcode symbol. The thick lines are set to twice n value. (n from 2 to 6, default is 3) EPM203-MRS - Technical reference - Rev. G...
  • Page 36 The barcode text is printed out with the latest selected font (ESC %) GS R n Description: Set/reset rotated barcode Format: <1Dh> <52h> <n> n = 0: barcode is printed horizontally. n = 1: barcode is printed vertically. EPM203-MRS - Technical reference - Rev. G Page 36...

  • Page 37: Hole / Black Mark Detection Commands

    Advanced Printing Systems Hole / Black mark detection commands Due to the EPM203-MRS compactness and depending on the customer application, the label printing is not available. If printing positioning is required, APS suggests using paper roller with black mark. GS L n...
  • Page 38 30mm should provide reasonable margin. (c) For optimum performance, the paper should be guided, and in particular, the distance between the paper and the opto should be kept as constant as possible. EPM203-MRS - Technical reference - Rev. G...
  • Page 39 Advanced Printing Systems 5.6.1 Hole / Black mark detection examples 3 mm 3 mm 37 mm 2 mm Top Of Form Top Of Form 90 mm 55 mm Cut Position Cut Position EPM203-MRS - Technical reference - Rev. G Page 39...

  • Page 40: Mechanical And Housing

    See attached drawings at the end of this technical reference for overall dimensions and recommended screws. 3D-IGES files, for mechanical details, are available upon request, ask APS for more information. The mechanism has to be fixed using the fixing points provided for this purpose.

  • Page 41: Mounting Precautions

    Orientation according to figure A-B is to be preferred; reliability and life tests have been based only according to this orientation. Alternatively, it is possible to choose different orientation angles as shown in figures C-D-E. EPM203-MRS - Technical reference - Rev. G...

  • Page 42: Mounting Precautions (Continued)

    Advanced Printing Systems Mounting precautions (continued) EPM203-MRS - Technical reference - Rev. G Page 42...

  • Page 43: Mounting Precautions (Continued)

    Advanced Printing Systems Mounting precautions (continued) EPM203-MRS - Technical reference - Rev. G Page 43...

  • Page 44: Handling The Epm

    7. HANDLING THE EPM How to open the cover group Pull the lever until the Cover Group is released from its locking position To avoid damages to the lever do not use excessive force. EPM203-MRS - Technical reference - Rev. G Page 44...

  • Page 45: How To Load Paper Rolls

    Advanced Printing Systems How to load paper rolls STEP 1 STEP 2 EPM203-MRS - Technical reference - Rev. G Page 45...

  • Page 46: How To Close The Cover Group Correctly

    Advanced Printing Systems How to close the Cover Group correctly Press on both sides of the Cover Group simultaneously. Alternatively: Press on the middle area of Cover Group, near the paper exit. EPM203-MRS - Technical reference - Rev. G Page 46...

  • Page 47: How To Close The Cover Group (Continued)

    How to close the Cover Group (Continued) Do not close the Cover Group pressing only on one side. How to cut the paper correctly Pull the paper towards the Tear Bar from one side to the other. EPM203-MRS - Technical reference - Rev. G Page 47...

  • Page 48: Ordering Code

    Advanced Printing Systems 8. ORDERING CODE Type Ordering code Standard EPM203-MRS EPM203-MRS - Technical reference - Rev. G Page 48...

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