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EPM205-MRS

- Technical reference -

Preliminary

Page 5

Advanced Printing Systems

1. INTRODUCTION

The

EPM205-MRS

is the world’s first 2 inch 5V, 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 an high grade of integration and to perform many different
functions.

The sections that form the EPM module are described in the following image.

Printer mechanism (Easy Loading type)

Paper roll housing

Cover group, with Lever (for easy opening) and Roller

Tear bar, for paper cutting

Keyboard with 2 push buttons and 1 LED

Board housing

Electronic control board

Lever

Roller

Содержание EPM205-MRS

Страница 1: ...EPM205 MRS Technical reference Preliminary Page 1 Advanced Printing Systems Front page EPM205 MRS Technical reference Preliminary...

Страница 2: ...s where the different condition has not effects for common data e g different colour of case parts A P S reserves the right to make changes to the product without notice to improve reliability functio...

Страница 3: ...ON 15 4 5 TEXT PRINTING FORMAT 16 5 OPERATING CONTROL CODES 18 5 1 CONTROL CODES CROSS REFERENCE 18 5 2 SETUP AND HARDWARE CONTROL COMMANDS 20 GS n 20 GS s n1 n2 20 GS a n 20 GS D n 20 ESC 21 ESC v 21...

Страница 4: ...reliminary Page 4 Advanced Printing Systems 7 HANDLING THE EPM 40 7 1 HOW TO OPEN THE COVER GROUP 40 7 2 HOW TO LOAD PAPER ROLLS 41 7 3 HOW TO CORRECTLY CLOSE THE COVER GROUP 42 7 4 HOW CORRECTLY CUT...

Страница 5: ...a set of mechanical and electronic parts These parts have been designed to have an high grade of integration and to perform many different functions The sections that form the EPM module are described...

Страница 6: ...ontrol codes Sleep mode Current consumption 10nA Wake up on serial parallel port or external switch Integrated keyboard with Paper Feed and ON OFF Line push buttons Single power supply From 5 Volts to...

Страница 7: ...JO AF50KS E3 high sensitivity Equivalent types can be used Voltage range From 5V to 8 5V Current consumption From 1 5A to 5A at 5V peak for 3ms 10nA in OFF mode Operating temperature From 0 C to 50 C...

Страница 8: ...e printer Refer to the attached drawing for location and pin 1 identification of each connector 3 1 Power supply connector EPM device connector J1 User side matching connector Molex 53048 Series 9 con...

Страница 9: ...Serial communication connector EPM device connector J2 User side matching connector Molex 53048 Series 5 contacts male Molex 51021 Series female Contacts 50079 50058 Pin number Signal name 1 Gnd 2 Tra...

Страница 10: ...to be considered as indication on how to connect a possible external keyboard predisposed by the user EPM device connector J3 User side matching connector Molex 53048 Series 4 contacts male Molex 5102...

Страница 11: ...3 D7 4 D6 5 D5 6 D4 7 D3 8 D2 9 D1 10 D0 11 PE 12 INIT 13 GND 14 STB 15 ACK 3 5 Sleep mode disable connector EPM device connector J5 User side matching connector Molex 53048 Series 2 contacts male Mo...

Страница 12: ...inter Status OFF OFF Line On Line End of Paper Over Under Voltage or Temperature LED Status OFF 1 Flash ON Always ON 3 Flash ON 4 Flash ON Push Button 1 Switches ON the Printer Feeds Paper Feeds Paper...

Страница 13: ...is done by pressing simultaneously the 2 push buttons of the keyboard It prints the printer type the revision of the printer firmware and both internal character sets Example of self test 8x16 Intern...

Страница 14: ...status back from the printer 4 3 1 Compatibility mode timing host writes to the printer Parameter Min Typ Max Comments Time STB tSTB 5 s This time is given by the host Time BUSY tBUSY 25 s 90 s 250 s...

Страница 15: ...Serial or Parallel mode may be chosen via software automatically after the first character is received At power up both serial and parallel communications are active If the first character is received...

Страница 16: ...with their hexadecimal code row being the most significant nibble and column the least significant nibble Example ASCII code for A is 41 hex or 65 decimal 8x16 Character set Character size is 9 pixels...

Страница 17: ...adjusted via the software Character per line is up to 44 in standard text 22 in double width and 11 in quadruple width 7x16 Character set Character size is 8 pixels 7 active dots plus one inter chara...

Страница 18: ...Intensity ESC Resets printer ESC v Send printer status ESC I Send printer identity ESC S Puts the printer in sleep mode ESC A n Set Auto sleep time GS B n Serial Communication setting GS b n Set paral...

Страница 19: ...e commands Command Description GS k n Start data NUL Print bar code GS h n Barcode Height GS w n Barcode magnification GS H n Text position in Barcode GS R n Set Reset rotated Barcode Hole and black m...

Страница 20: ...e paper feed tension It can also help to reduce noise and improve print quality Bytes n1 n2 set the time T in s between each step T 256 n1 n2 1500 T 8500 Default T 2500 n1 9 n2 196 Example T 2500 s Ma...

Страница 21: ...le Bit Function Bit 0 Bit 1 0 Head temperature OK Too high or too low 1 Head up No Yes 2 Paper out No Yes 3 Power supply OK Too high or too low 4 Printer in use Ready Action in progress 5 On Off line...

Страница 22: ...y The string is formed by the concatenation of print mechanism name firmware revision and logic voltage like the following example Firmware revision Print mechanism Note the string always has a fixed...

Страница 23: ...are 3 ways of waking the printer up Through the parallel port by activating the INIT signal resets the printer Through the serial port by sending the character 00 hex wake up character Press the paper...

Страница 24: ...ee Compatibility mode timing refer to section 5 6 1 for an example of the waveform The n value may be changed to avoid erratic character reception from the host s automatic character repeat feature Th...

Страница 25: ...ems GS P n1 n2 Description Sets paper feeding length in automatic paper loading Format 1Dh 50h n1 n2 Comments Sets the length of the paper fed during the automatic paper loading Bytes n1 n2 set the le...

Страница 26: ...with the table below n COUNTRY 23 24 40 5B 5C 5D 5E 60 7B 7C 7D 7E 0 USA 1 France 2 Germany 3 UK 4 Denmark 1 5 Sweden 6 Italy 7 Spain 1 Pt 8 Japan 9 Norway 10 Denmark 2 11 Spain 2 12 Latin Amer ESC 2...

Страница 27: ...nting line Spaces at the beginning of a line will be printed as a dark rectangle In order to shift the black printing from the left margin one can send the TAB ascii 9 instead This enables an accurate...

Страница 28: ...Double Height Cancelled Set 5 Double Width Cancelled Set 6 Not used 7 Underlined Cancelled Set ESC n Description Set Cancel Rotated characters Format 1Bh 7Bh n Comments This command rotates text by 18...

Страница 29: ...print position is at the beginning of the next line ESC j n Description Feed paper n dot lines backward Format 1Bh 6Ah n Comments Paper is fed for n n 256 dot lines n times 0 125 mm backward The prin...

Страница 30: ...0 print normal size data byte full printer resolution n4 1 double width n4 2 double height n4 3 expanded double width double height Byte n5 sets the number of byte to be skipped before printing out t...

Страница 31: ...bytes to be printed is equal to n2 256 n3 n2 must be less than the total number of the head bytes given by the total number of dots divided by 8 EPM205 MRS is 384 8 72 and n3 is always 0 n1 is the res...

Страница 32: ...ight of bar code Format 1Dh 68h n Comments n from 1 to 255 in multiple of 1 8 mm default is 128 GS w n Description Select horizontal magnification of bar code Format 1Dh 77h n Comments n defines the n...

Страница 33: ...RS Technical reference Preliminary Page 33 Advanced Printing Systems GS R n Description Set reset rotated barcode Format 1Dh 48h n n 0 Default Barcode is printed horizontally n 1 Barcode is printed ve...

Страница 34: ...qual to 3mm and the printer enters the mark detection mode The minimum mark length is 2 5 mm and the maximum is 7 mm Note sending this command clears the hole mark detection error bit in the printer s...

Страница 35: ...echnical reference Preliminary Page 35 Advanced Printing Systems 5 6 1 Hole Black mark detection examples 50 mm Cut Position Top Of Form 3 mm 2 mm 10 mm 55 mm 50 mm Cut Position Top Of Form 3 mm 37 mm...

Страница 36: ...wo possibilities Using points 1 2 4 5 all of them simultaneously Using points 3 4 5 all of them simultaneously To avoid any kind of deformation or distortion a flat surface for contact areas is requir...

Страница 37: ...ting Systems 6 1 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...

Страница 38: ...EPM205 MRS Technical reference Preliminary Page 38 Advanced Printing Systems Mounting precautions continued...

Страница 39: ...EPM205 MRS Technical reference Preliminary Page 39 Advanced Printing Systems Mounting precautions continued...

Страница 40: ...e 40 Advanced Printing Systems 7 HANDLING THE EPM 7 1 How to open the cover group Lift the Lever acting as indicated by the arrow until the Cover Group is released from its locking position To avoid d...

Страница 41: ...EPM205 MRS Technical reference Preliminary Page 41 Advanced Printing Systems 7 2 How to load paper rolls Step 1 Step 2...

Страница 42: ...ference Preliminary Page 42 Advanced Printing Systems 7 3 How to correctly close the Cover Group Press on both sides of the Cover Group simultaneously Press on the middle area of Cover Group near the...

Страница 43: ...ry Page 43 Advanced Printing Systems How to correctly close the Cover Group Continued Do not close the Cover Group pressing only on one side 7 4 How correctly cut the paper Pull the paper towards the...

Страница 44: ...EPM205 MRS Technical reference Preliminary Page 44 Advanced Printing Systems 8 ORDERING CODE Type Ordering code Standard EPM205 MRS...

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