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Extech Instruments Series 2000 Computer Hardware User Manual

1. Ral XON Page 32 Many 3000T printer properties may be modified by issuing escape commands The following pages detail these commands using conventions detailed here Syma lt CTRL gt The next character is a control character see table 11 1 lt ESC gt lt CR gt lt LF gt Control characters see table 11 1 lt A gt lt P gt lt Q gt Single quotation marks denote constant ASCII characters Italics denote variable bytes in control string 0x00 OxAB 0x1F Hexadecimal representation of a number Example 8 Bit Graphic Line s lt ESC gt lt V gt lt n1 gt lt n2 gt lt data gt lt ESC gt is the ASCII character 0x1B hexadecimal lt V gt is the ASCII character 0x56 hexadecimal lt n1 gt lt n2 gt are single byte variables lt data gt is a sequence of variable data Font Selection MSP FONTS ASCII range 32 255 lt ESC gt lt F gt lt n gt n 2 9 6x 16 lt ESC gt lt F gt lt 9 gt 32 CPI 12x 16 lt ESC gt lt F gt lt 5 gt 16 CPI 72 64 64 48 PO 10 x 16 lt ESC gt lt F gt lt 6 gt 19 CPI Page 33 COURIER FONTS ASCII range 32 255 lt ESC gt lt k gt lt n gt n 0 6 FAST COURIER FONTS ASCII range 32 255 lt ESC gt lt K gt lt n gt n 0 6 Note The printer defaults to 36 column 13 normal Courier font mode lt ESC gt lt k gt lt 1
2. The lt OFF gt switch turns the printer power off Note In IrDA mode press lt FEED gt momentarily then lt OFF gt lt ADVN gt The lt ADVN gt switch advances paper at a normal rate This switch function is not present with the MCR version Front Panel Indicators see figure 1 lt ON gt Green e Illuminated when the printer is in operation e In Serial mode extinguishes after 20 seconds before going into Auto Sleep mode to minimize battery consumption e In IrDA mode on steady lt READY gt Green e InIrDA mode is illuminated during Infrared communication extinguishes after 20 seconds to minimize battery consumption e In Serial mode is illuminated when the optional Magnetic Card Reader is ready for swiping e Flashes twice before going into Auto Sleep mode when connected to PC lt Charge gt Yellow e If illuminated the battery cartridge is accepting charge e Turns off automatically at the end of the charge cycle lt LOW PWR gt Yellow e If illuminated the battery cartridge is depleted e Recharge battery cartridge if LED is on Page 8 lt FAULT gt Red e Indicates printer paper out Indicates print head lever is up e Indicates incorrect read with magnetic card reader e Indicates printing with low power printing not possible lt READY FAULT LOW POWER gt Flashing e Indicates printer is paused to continue printing current receipt press lt FEED gt or to clear print buffer
3. ignored From 0x00 OxFF Hex using bits 0 7 Bit seven left lt ESC gt lt J gt lt n gt n number of 0 125mm line feeds lt CTRL gt lt B gt lt ESC gt lt B gt lt 4 ASCII digits gt lt CR gt lt LF gt lt ESC gt lt M gt lt 4 ASCII digits gt lt CR gt lt LF gt lt CTRL gt lt V gt lt ESC gt lt B gt lt 4 ASCII digits gt lt CR gt lt LF gt Page 35 Battery Voltage status lt ESC gt lt V gt lt 4 ASCII digits gt lt CR gt lt LF gt Command Power down lt ESC gt lt M gt lt 2 ASCII digits gt lt 0 gt lt CR gt Print Battery voltage lt ESC gt lt P gt lt gt Magnetic Card Reader MCR Enable MCR lt ESC gt lt M gt lt 2 ASCII digits gt lt n gt lt CR gt Disable MCR lt ESC gt lt C gt For details of MCR see Section 14 Clock Calendar and Line Counter Set Clock Calendar lt ESC gt lt P gt lt s gt lt ASCII Time and Date String gt lt 12 30 00 12 12 98 gt Enable Auto Clock calendar print lt ESC gt lt P gt lt gt gt Disable Auto Clock calendar print lt ESC gt lt P gt lt lt gt Reset Line Counter lt ESC gt lt P gt lt gt Print Clock calendar lt ESC gt lt P gt lt ASCII Letter for print format gt A Y Using bits O through 5 Month Days 0x40 0 X wwo O IR o IE anm AAA man A
4. n 4 9 Page 27 COURIER FONTS ASCII range 32 255 lt ESC gt lt k gt lt n gt n 0 to 5 12x22 lt ESC gt lt k gt lt 2 gt 17 CPI 16 x 22 lt ESC gt lt k gt lt 1 gt 13 CPI 16 x 22 lt ESC gt lt k gt lt 0 gt 13 CPI BOLD Print Contrast Adjust Commands lt ESC gt lt P gt lt n gt n 0 9 0 most contrast 9 least contrast 6 Bit Dot Addressable Graphics The printer will operate in 6 Bit Dot Addressable Graphics mode on receiving the Esc G graphic command While in this mode the printer prints one dot line at a time on receipt of 64 graphic characters or LF command The LF command advances the paper by one 0 25mm dot line Each horizontal graphic dot is made from 1x6 dot cells the total number of dot cells per line is 64 corresponding to the 384 total dots per line capacity Each dot in a dot cell can be turned on or off by sending specific ASCII characters For example 0x3F hex will energize all dots while 0x40 hex de energizes all the dots Select 6 Bit Addressable Graphic Mode lt ESC gt lt G gt Graphic Character set From 03F 7E Hex using bits 0 5 Select Text Mode lt ESC gt lt A gt Perform n 25mm dot line feed lt ESC gt lt J gt lt n gt Perform single 25mm dot line feed lt LF gt or lt CR gt Page 28 8 Bit Dot Addressable Graphics Bit Graphic Line s Gra
5. B allows polling the status of the printer The printer transmits the three types of status strings upon receiving the supervision request command byte e Print buffer status lt ESC gt lt B gt lt 4 ASCII digits gt lt CR gt lt LF gt e Battery Voltage status lt ESC gt lt V gt _ lt 4 ASCII digits gt lt CR gt lt LF gt e MCR status lt ESC gt lt M gt lt 4 ASCII digits gt lt CR gt lt LF gt The four ASCII digits report the number of characters in print buffer current battery voltage level and Magnetic Card Reader MCR status These digits are in converted hexadecimal format To reconvert these digits to hexadecimal form subtract lt 0x30 gt from each digit received In general the printer can be polled as often as needed The poll response is transmitted as one complete transaction with no XON XOFF D or AuxOff in the middle of response The examples below illustrate the supervisory response strings Print buffer status For Example if lt 0x04D2 gt characters are in the print buffer the following string is returned upon receiving a lt 0x02 gt poll command lt 0x1B gt lt 0x42 gt lt 0x30 gt lt 0x34 gt lt 0x3D gt lt 0x32 gt lt 0x0D gt lt 0x0A gt lt ESC gt lt B gt lt 4 ASCII digits gt lt CR gt lt LF gt Magnetic card reader status For Example if the following Magnetic card read command is issued esc M 9 9 1 CR LF the following is returned upon receiving a lt 0
6. determined by turning the equipment off and on the user is encouraged to try too correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Warranty This printer is warranted by Extech Data Systems to be free of defects in parts and workmanship for a period of one year from date of shipment This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties of merchantability or fitness for a specific purpose and will not be liable for any direct indirect special incidental or consequential damages Extech s total liability is limited to the repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Warranty Service A Return Authorization number must be issued before a unit is returned to Extech for repair Once a unit has been properly returned to Extech it will be repaired estimates are provided first if the repair cost is estimated above 100 00 and returned via U
7. gt The print contrast defaults to darkest lt ESC gt lt P gt lt 0 gt Page 34 6 Bit Dot Addressable Graphics The printer will operate in 6 Bit Dot Addressable Graphics mode on receiving the Esc G graphic command While in this mode the printer prints one dot line at a time on receipt of 96 graphic characters or LF command The LF command advances the paper by one 0 25mm dot line Each horizontal graphic dot is made from 1x6 dot cells the total number of dot cells per line is 96 corresponding to the 576 total dots per line capacity Each dot in a dot cell can be turned on or off by sending specific ASCII characters For example 0x3F hex will energize all dots while 0x40 hex de energizes all the dots Select 6 Bit Addressable Graphic Mode lt ESC gt lt G gt Graphic Character set Select Text Mode Perform n 0 25mm dot line feed Perform single 0 25mm dot line feed 8 Bit Dot Addressable Graphics Bit Graphic Line s Graphic Character set Dot line feed Supervisory commands Command Printer status request Response Print buffer status MCR status Command Battery status request Response Print buffer status From 0x3F 0x7E bits 0 5 lt ESC gt lt A gt lt ESC gt lt J gt lt n gt or lt LF gt or lt CR gt lt ESC gt lt V gt lt n1 gt lt n2 gt lt data gt nl 8 bit integer indicating number of 72 byte graphic lines to be received n2
8. gt lt ESC gt lt P gt lt gt gt lt ESC gt lt P gt lt lt gt Page 29 Reset Line Counter lt ESC gt lt P gt lt gt Print Clock calendar lt ESC gt lt P gt lt ASCII Letter for print format gt A Y Using bits O through 5 Month Days 0x40 0x41 A E Y AAA AAA pra A no A AAA wmo O FE IA am A AAA AAA a A AAA NBI 0x50 P i IN 0x54 T 1 semn e o E ra AAA Page 30 Printer Mode On line mode lt ESC gt lt P gt lt gt Characters printed as received Buffer mode lt ESC gt lt P gt lt gt Characters buffered until receipt of lt CTRL gt lt D gt Future Features Font Download Load a character lt ESC gt lt D gt lt n1 gt lt n2 gt lt data gt ni Bank to save the character in 0x00 0x01 0x02 n2 character code 32 255 data 16 x 23 bit character matrix Use a downloaded font lt ESC gt lt d gt lt nl1 gt nl Font to print 0 6 see Courier font Logo Download Begin recording a graphic image lt ESC gt lt L gt lt gt Stop recording a graphic image lt ESC gt lt L gt lt P gt Print recorded image lt ESC gt lt L gt lt P gt Check recorded image lt ESC gt lt L gt lt C gt Page 31 Section 11 Firmware V1 0 3000T Control Characters Control Characters a
9. gt lt n1 gt lt n2 gt lt L gt lt data gt lt ESC gt lt Z gt lt n1 gt lt n2 gt lt L gt lt data gt z print bar code only Z prints bar code and ASCII visible nl bar code type I code 39 n2 number of characters in data array 0x01 OxFF L height of bar code printed in Code 39 specification Description Each symbol starts with Leading Quiet Zone followed with Start Symbol Data Symbols ending with Stop Symbol and Trailing Quiet Zone Character set Elements per symbol Character density Bar width Narrow to Wide ratio Characters per line Emphasize print Version 1 00 Bar code printing disabled Font downloading disabled all 36 alphanumeric and space 9 5 bars 4 spaces 6 25 CPI 0 125mm 1 3 14 with auto center maximum lt ESC gt lt U gt lt n gt n 0 9 n 0 disables emphasize print default n l Selects emphasize print Page 39 Version 1 02 Enhanced Logo Download Print Logo Record Logo Example Version 1 03 Bar code Printing see above Font Downloading see above Logo Downloading see above Preprinted Form Utilities Reverse Dot Feed Out of Paper Sensitivity Forward Q Mark Seek Reverse Q Mark Seek Q Mark Response Format lt ESC gt lt L gt lt g gt lt n gt n the order of logo in SRAM lt ESC gt lt L gt lt G gt lt n g
10. interesting applications have been developed including Micros Hospitality visit the Fleet Center in Boston for a Celtics or Bruins game and enjoy the rapid food system made possible by Micros pioneering ordering system Linking a hand held pen computer system local radio network system and an Extech printer with built Page 2 in magnetic card reader allows fans to order directly from their seat The order is radioed to the kitchen filled and delivered right to the seat Payment by credit card is made authorization obtained over the radio network and on to the next fan The system is so quick additional kitchen space was added Swedish Railway who introduced the first computerized conductors in the world equipped with a hand held computer and an Extech Mini Serial Printer enabling passengers to purchase their ticket on the train A magnetic card reader integrated right into the printer means the passenger can pay by credit card as well as cash The magnetic card reader is set to read tracks 2 and 3 simultaneously decode the data and transfer it to the hand held computer Extech Data Systems Ten Years On EXTECH Data Systems nowadays designs and manufactures battery operated portable printers for portable and mobile computing applications Powerful micro controllers on highly integrated circuit boards manage all the features supported by the printers Custom firmware and printer designs are provided to meet a wide ran
11. power up default settings ESC AT 1B 27 Escape Escape character precedes graphics and printer operating modes Refer to escape command section EXTEND 1C 28 Extended print All characters following this command are printed double high 5x14 EXTEND A 1D 29 Extended print off Normal print OFF All characters following this command are printed normal size 5x7 Page 16 Section 5 S 20001 Character Sets Resident Character Sets S2000i There are 3 resident fonts for the 20001 CHARACTER NAME MSP FONT International character set Standard ESC F 1 Hebrew character set ESC F 2 IBM compatible character set ESC F 3 The characters are formed using a 5x7 matrix The first 127 entries in the font table are ASCII characters Characters 0 through 31 are ASCII printer control characters while 32 through 127 are the 96 ASCII alpha numeric upper and lower case characters The alternate extended characters for each font type are from 128 through 255 The printer defaults to Standard font on initial power up or upon receiving the CANCEL command X 18H 24 Character Size Four character sizes can be selected through the communication interface by sending control characters to the printer Character Size Normal Expanded Double Wide Extended Double Height Large double wide and double height 10x14 Normal Character The Normal characters are formed using a 5x7 dot matrix The printer defaults to 5x7 matrix N
12. press lt OFF gt Page 9 Eight position dip switch located to the left of the paper roll is used to select and set the serial RS232 interface The printer reads these switches once on initial power up see below Proper Baud Rate and protocol settings are required to communicate with a host computer The standard factory setting is 19 200 BAUD 8 DATA BITS NO PARITY BIT and one STOP BIT all switches in off position To make changes use the table below Dip Switch 1 amp 2 3 4 amp 5 6 7 8 Section 2 Serial Communications RS 232 Communication Interface Standard Function Baud rate 19 200 9 600 4 800 2 400 No of data bits 7 Data Bits 8 Data bits Parity bit No Parity Odd Parity Even Parity Hardware Handshaking enable disable Clock and Calendar clock set Communication Interface RS232 IrDA SWI off on off on SW3 on off SW4 off on on SW6 on off SW7 on SWws off on Page 10 SW2 off off on on SWS off off on RS 232 Communication Interface Special Impact Only The standard factory setting for this version is 9 600 BAUD 8 DATA BITS NO PARITY BIT and one STOP BIT all switches in off position To make changes use the table below Dip Switch Function 1 amp 2 Baud rate SWI SW2 9 600 off off 4 800 on off 2 400 off on 1 200 on on 3 No of data bits SW3 7 Data Bits on 8 Data bits off 4 amp 5 Parity bit SW4 SWS No Parity off off Odd Pari
13. the print head the printer will sense the paper and advance it through the print head If you experience difficulty press the lt FEED gt switch Place roll in the printer Feed the leading edge of the paper into the slot of the hinged cover Lower the hinged cover and lock Pull the 4 inches of paper forward against the teeth of the paper tear bar and pull to either side to tear off the paper The printer is then loaded with paper and ready to use Caution e To manually remove paper out of the printer mechanism lift the lever located at the right hand side of the printer mechanism and remove paper e Similarly to manually insert paper lift the lever tear the leader into a triangle shape insert the lead under the roller and then use the paper advance knob to advance the paper until it appears exiting from the printer mechanism e When finished push the lever back down and close the paper cover Installing Paper figure 4 Impact Printers To unlock the top hinged cover Place each thumb on the grooved sections indicated in the figure at the rear of the cover Press the two locking ribs located at the rear of the printer to release the first lock raise the hinged cover to open Press on the two locking arms to allow the cover to fully open and provide access to the paper area If the printer is not already on turn it on by pressing the lt ON gt switch Remove any paper remaining in the printer mechanism using the lt FE
14. A Page 36 PEO PESE A ES E AA ESPA AAA A AS e A es 0x52 R E ra pap pp om III HEN IE IE IE Printer Mode On line mode lt ESC gt lt P gt lt gt characters printed as received Buffer mode lt ESC gt lt P gt lt gt characters buffered on receipt of lt CTRL gt lt D gt Page 37 Operating Features New and Modified Version 0 95 Modified contrast control Version 0 96 Increased torque on auto paper load Version 0 97 Font Download Load a character Use a downloaded font Logo Download lt ESC gt lt D gt lt n1 gt lt n2 gt lt data gt nl Bank to save the character in 0x00 0x01 0x02 n2 character code 32 255 data 16 x 23 bit character matrix lt ESC gt lt d gt lt nI gt n1 Font to print 0 6 see Courier font Begin recording a graphic image lt ESC gt lt L gt lt gt Stop recording a graphic image Print recorded image Check recorded image Version 0 98 Enhanced Printing Modify text line spacing lt ESC gt lt L gt lt gt lt ESC gt lt L gt lt P gt lt ESC gt lt L gt lt C gt lt ESC gt lt a gt lt n gt a number of 0 125mm dot lines after each text line n 0x00 OxOA default is 3 Page 38 Version 0 99 Code 39 bar code print Bar code alone Bar code with text lt ESC gt lt z
15. ED gt switch Unroll a leader from the new roll about 3 inches do not place roll in the printer at this time Place the straight edge of the leader just under the roller in the print head and feed about 3 inches of the new roll of paper into the print head using the lt FEED gt switch Place paper roll in the printer Feed the leading edge of the paper into the slot of the hinged cover Lower the hinged cover and lock Pull the 3 inches of paper forward against the teeth of the paper tear bar and pull to either side to tear off the paper The printer is then loaded with paper and ready to use Caution e Do not REVERSE pull paper out of the printer mechanism this will cause damage to the print head Page 7 Installing Ribbon figure 1 Impact Printers Unlock and raise the top hinged cover as described above Remove the worn out ribbon by pressing with one finger at the location labeled EJECT on the ribbon cartridge Insert the new ribbon in place and press at the extreme ends of the ribbon cartridge to secure it in place With your thumb tighten the ribbon by rotating clockwise the ribbed wheel located on the front of the ribbon cartridge Feed paper to insure that the paper passes through exposed ribbon and ribbon cartridge case Membrane Switch Functions see figure 1 lt ON gt The lt ON gt switch turns printer power on lt FEED gt The lt FEED gt switch advances the paper at a fast rate lt OFF gt
16. EXTECH DATA SYSTEMS SERIES 2000 SERIES 3000 DEVELOPER S GUIDE VERSION 4B DATE October 2000 Part Number 7A060028DG Page 1 Extech Data Systems Celebrates 10 Years Design and Manufacture Battery Operated Portable Printers Extech Data Systems the Portable Printing Division of Extech Instruments started Engineering development of a new line of portable instrumentation in 1988 just ten years ago The first products from this development a portable battery operated printer and a portable modem were introduced in 1989 Designed specifically for the Psion Organiser this initial foray into the world of mobile computing proved highly successful The advent of a low cost battery operated portable printer allowed innovative individuals and organizations to develop system solutions for a variety of interesting applications including Duty Gear who developed Ticket Writer a self contained portable computer system programmable that generates parking tickets directly from Extech s integral printer Precision Systems who introduced PESTWARE a revolutionary cost saving productivity tool designed to reduce paperwork handwritten work orders and invoices for the Pest Control industry Using an Extech Comms printer the system prints work orders and invoices on the job site Harvest Computer Consulting who designed Farm Handy specifically for agricultural payrolls using compensation based on a piece rate The system al
17. K 0x06 Checksum is CORRECT Increment SEQ packet O comes after 255 Master may send next data packet Return to step 2 Ks ll RE OT Master must retransmit data packet Return to step 2 End transmission and disconnect procedure MESAS EOT 0x04 End of transmission character AY A LIA ACK 0x06 Checksum is CORRECT End of transfer 11B NAK 0x06 Checksum is INCORRECT Master must retransmit data packet Return to step 2 Note steps 7A 7B 11A and 11B If the master fails to receive an ACK or NAK within five seconds of checksum transmission the master must retransmit the packet Page 47 Section 14 Troubleshooting Guide PROBLEM POSSIBLE CAUSE SOLUTION Printer will not turn on Discharged Battery Recharge battery overnight Charge LED not lighting when AC adapter is plugged in Battery not charging Paper not feeding Fault LED on Steady Low BAT LED on Steady Low battery No AC power or AC adapter defective Battery incorrectly installed or no AC Battery dead Obstruction in paper path or paper improperly installed Print head lever is up Print mechanism jam Low Battery Check AC outlet or adapter note battery pack may be fully charged Check battery installation and AC adapter Change to a new battery Check the paper path Verify installation Use paper of the correct specification Check print head lever Check paper supply press lt FEED gt
18. PS ground The customer may elect a faster mode of transport at their cost The customer is responsible for ensuring proper packing to prevent damage in transit Page 51
19. Section 10 Firmware V1 09 S2000T Control Characters Control characters are from 01 through 31 CONTROL ACTION EOT AD 04 04 End Of Text Printer sends an EOT character when buffer is empty This is used to tell the host that printer is in idle mode Remove previous character in print buffer HT Al 09 09 Horizontal Tab Tab to 5 9 13 17 21 25 29 33 37 41 or to the beginning of next line Advance to beginning of next line a an Advance 5 lines Advance 10 lines 0D 13 Carriage Return Advance to beginning of next line Clears double width or extended print pending Shift Out All characters are printed in double width 10x7 0F 15 Shift In All characters are printed in normal width 5x7 1 ae Transmitter On 0 pan to Host Ready to receive data Host to printer The host is ready to accept data Print on Printer to Host Print is on line Transmitted after initial power up or clearing of printer jam Printer receiver is off Mar to Host Print Buffer is full Host to Printer Host transmitter off 14 20 Return to normal print foe AU 15 21 Printer to Host printer is off Transmitted to host before power down or paper out Page 25 CANCEL AX 18 24 Cancel and reset printer If received print buffer is reset and printer placed in initial power up default settings ESC Af 1B 27 Escape Escape character precedes graphics and printer operating modes Refer to escape command section All characters f
20. The printer defaults to the international character set on initial power up To select an alternate character set the following command strings are recognized CHARACTER NAME MSP FONT COURIER FONT International character set ESC F 1 ESC 6 IBM compatible character set ESC F 2 ESC 7 Resident Fonts The S2000T printer has two built in user selectable fonts MSP Dot matrix and Courier type fonts For each font type several font typefaces are available this feature enables 24 through 64 column printing Listed below are the fonts installed properties and typeface command strings to select them LINE SIZE WxH COMMAND a POSO ee O ES ESC F 2 RA A fa ss E Pe Te e SS 7 A L DO CAMI EC TA E RA A comm AAA A A ET Page 19 Po ESCH 12 cpi normal ESC k 1 12 cpi bold ESC k 0 Both fonts are monospaced meaning for each character pitch selected cpi all the characters are exactly the same width making page layout easy to control The MSP compatible dot matrix font are based on a single 6x16 font table The printer modifies this table to yield various widths and weights Four different font tables are used to generate the courier font typefaces On initial power up the printer defaults to 42 column 21 cpi courier typeface For the Courier normal characters the individual lines or strokes of each character are finer giving a more airy feel to the typeface Courier bold characters have a heavier or thicker line width
21. aracters The graphics mode is invoked by sending ASCII characters ESC 1B 27 followed by G Dot line printing starts upon receiving enough dot cells to complete a dot line or ASCII CR ODH or ASCII LF OAH The graphics mode is terminated by sending ASCII characters ESC followed by A Graphic Character Set The graphic character set extends from the character 3FH to TILDA 7EH Bits 1 through 6 of the characters received are used to turn ON or OFF the dots ina dot cell If a bit is set 1 a dot is enabled otherwise the dot is disabled For example for ASCII 3FH or 00111111B bits 1 through 6 are set Sending consecutive s will form a one dot solid line across the paper Page 18 Section 6 S 2000T Character Sets Resident Character Sets The Series 2000T has two resident character sets the standard international and IBM compatible character sets For both resident character sets the lower 128 bit values follow the ASCII standard Characters O through 31 are reserved ASCII printer control characters while 32 through 127 are the ASCII alpha numeric upper lower case characters The extended characters are from 128 to 255 For the international character set the upper 128 bit values code a collection of characters and symbols The IBM compatible character set the upper 128 bit values code a collection of block graphic characters and special characters for drawing frames and boxes
22. ble Printer if status comopen COM1 PRINTSPECS CS_NODSP NOERR exit SELECT XON communication comxoff COM1 YES Read Tracks readtrk 1 readtrk 2 readtrk 3 comclose COM1 CS_NODSP void readtrk int tn char cmd 12 cp buf vdspls 4 11 Req track read sprintf cmd cM 02d 1d r 27 TIME OUT tn read Track vdspls 4 11 Read track d tn display Page 46 Section 13 Extech IR XMODEM Protocol This is a proposed protocol for bi directional data transfer through an Infrared channel The protocol is based on packet transfer utilizing checksum error detection Format of the data packet is shown below SOH 0x01 CSEQ DATA 128 Bytes When powered on the Extech printer will default to slave mode requesting to receive packets sending a NAK character every 10 seconds After receiving a magnetic card reader request and the master closes the connection the Extech printer switches to master mode In master mode the printer waits to receive a transmission request NAK Summary of Extech IR XMODEM transmission procedure 1 NAK 0x16 Packet send request occurs every 10 seconds SEO is reset to 1 E i SOH 0x01 Start Of Header character 3 SEQ Eight bit packet sequence number 4 CSEQ Ones complement of SEQ If end of data go to step 8 E o 8 bit Checksum Sum of DATA bytes ignoring overflow 7A AC
23. dd or even Parity Interfacing to the Magnetic Card Reader This section details the software steps required to access the Magnetic Card Reader from a computer or from a terminal Select the printer The Host Selects the S2000T printer by activating the RTS input line or sending wake up character to the printer The Printer Sends the XON command to the Host to indicate ready to receive Command strings The host has to wait for XON before proceeding Select the Magnetic Card Reader The Host sends ASCII serial command string to enable the Magnetic Card Reader The printer turns on the lt READY gt LED if the proper command string is received Receive the ASCII Data Output from printer e Once the magnetic card is swiped by the operator the printer transmits in ASCII format lt Track Data gt or lt Error Message gt A good read automatically turns off the reader The printer turns on the red lt ERROR gt LED if an error is encountered Page 42 Recognized Magnetic Card command strings Six Magnetic Card command strings are recognized by the printer these commands are summarized in the table below ESC M nn 4 CR Read Track1 and Track2 simultaneously ESC M nn 5 CR Read Track2 and Track3 simultaneously ESC C Cancel Read Turns off the lt READY gt LED nn ASCO 01 through 99 seconds The command syntax is as follows ESC M nn Track CR 1 2 3 4 Turn On the Card Reader e The first t
24. e MODE LPT1 P FOR SERIES 2000T IrDA Printer Version To operate the IrDA interface in MS DOS environment an IrDA device driver is required IrDA SYS device driver is available from Extech Install the file IrDA SYS to the boot fixed drive Next modify the CONFIG SYS file to include IrDA SYS as one of the device drivers For example DEVICE C IrDA SYS COM1 IRQ4 ADDR3PFS where C is the path of where you copied IrDA SYS to COM is the comport you choose IRQ4 is the interrupt request of that com port and ADDR3F is the base address of that com port Finally modify the AUTOEXEC BAT file to include a command to reroute one of the line printers to the com port for example e MODE LPT1 COM1 Re boot DOS so that the modified CONFIG SYS and AUTOEXEC BAT take effect From that point on anything you send to the rerouted line printer will go through the IrDA SYS driver Operating in Windows To insure proper operation of the SERIES 2000 parallel version in windows environment the following are required Select Generic text only printer driver Use Windows printer manager For the SERIES 2000 serial version set the PC s serial port COM1 baud rate and parity to match printer Use printer Self Test to verify baud rate and parity setting Page 21 Section 8 Supervised Mode Operation The S2000T printers can be operated in a supervised mode A single byte supervision command lt 0x02 gt
25. es with built in Infrared Data Receiver Interface IrDA The IrDA Interface is designed for reception of serial data and no interconnecting cables are required for data transfer It conforms and exceeds Infrared Data Association protocol specifications for secondary station as specified in IrDA 1 standard Three layers of the IrDA protocol specifications are supported e the IrDA Serial Infrared Physical Layer e the Link Access Protocol IRLAP and e the Link Management Protocol IRLMP Additionally we have implemented IRComm 3 wire raw as a file transfer protocol for communication of decoded magnetic card data from the printer to the host computer see Section X Dip switch 8 ON selects the IrDA interface The Green lt READY gt is illuminated on power up if the IrDA interface is selected The table below lists the IrDA interface specification nfrared light IrDA physical layer compatible peak wavelength 850 to 1050 nm Transmission Speed Default to 19200 0 negotiable 2400 to 19 2k Protocol Compatibility IrDA Version 1 IRLAP and IRLMP compatible 1 Page 13 Section 3 Battery Battery Recharging Operation The Extech Printers features an internal fast battery recharge system This system is designed to fast charge the battery cartridges in 90 minutes using 120V 9VDC 1 0A power adapter PN 152120 This adapter is designed for North American use Both 220V PN 152320 and 240V PN 152340 versions are avai
26. f position RS232 is selected e If RS232 interface is selected connect the data connector and set the serial communication parameters Baud rate Data Bit and Parity e If using RS232 you also need a cable such as Extech s part 5892RJD9 this plugs into the serial connector at the rear of the printer Figure 3 e If interfacing to a PC Set MS DOS and Windows variables Initial power up and self test To start the self test press and hold the lt FEED gt switch then press lt ON gt e The printer will print a self test Press the lt OFF gt to turn off the printer and stop the self test Page 5 Press the lt ON gt switch to turn on the printer Manually Installing Paper figure 4 Thermal Printers To unlock the top hinged cover place each thumb on the grooved sections indicated in the figure at the rear of the cover Press the two locking ribs located at the rear of the printer to release the first lock raise the hinged cover to open Press on the two locking arms to allow the cover to fully open and provide access to the paper area Release the print head pressure by lifting the lever located next to the paper advance knob on the right side of the printer Unroll a leader from the new roll about 3 inches do not place roll in the printer at this time Trim the leading edge of the roll to a wedge shape as illustrated Place the edge of the leader just under the roller in the print head manually feed t
27. ge of application requirements including special graphics simultaneous read of dual track magnetic cards datalogging etc The user may choose impact or thermal print heads A full range of communication interfaces is available serial RS232 parallel unidirectional and bi directional infrared IrDA or ASK and magnetic card reader All data interfaces are DOS and Windows compatible Integration with hand held computers PDAs pen computers and notebook computers is easily accomplished by OEMs and their system integrators The printers may be operated from a battery pack or from an AC power adapter Battery operation provides up to 2 hours of continuous print time more than sufficient for a normal shift s work A fast charge circuit fully charges the battery in 90 minutes The high impact plastic housing encloses easily loaded single or two ply paper rolls Connectors are placed for wearing comfort and to minimize exposure to the elements Membrane switches with bright LEDs are easily reached when worn on a belt or placed on a desk Typical applications include field sales field service meter reading route accounting ticket issuance and more Recent product developments include Series 2000 updated impact printer range and Series 2000T new thermal printer range The new products incorporate a larger paper roll a new IrDA wireless communication system an improved battery charging system large memory and a new body housing with bu
28. he paper into the print head until 1t appears exiting at the top of the roller Push the print head lever down to secure the paper in position Place roll in the printer Advance about 4 inches of paper by rotating the paper advance knob Feed the leading edge of the paper into the slot of the hinged cover Lower the hinged cover and press to lock Pull the 4 inches of paper forward against the teeth of the paper tear bar and pull to either side to tear off the paper The printer is then loaded with paper and ready to use Caution e To manually remove paper out of the printer mechanism lift the lever located at the right hand side of the printer mechanism and remove paper Auto Paper Load figure 4 Thermal Printers To unlock the top hinged cover place each thumb on the grooved sections indicated in the figure at the rear of the cover Press the two locking ribs located at the rear of the printer to release the first lock raise the hinged cover to open Press on the two locking arms to allow the cover to fully open and provide access to the paper area If the printer is not already on turn it on by pressing the lt ON gt switch Remove any paper remaining in the printer mechanism using the lt FEED gt switch Unroll a leader from the new roll about 3 inches do not place roll in the printer at this time Trim the leading edge of the roll to a wedge shape Page 6 Place the wedge of the leader just under the roller in
29. ilt in belt clip Built in magnetic card reader version especially suitable for field applications where payment is preferred at the time of service delivery Mobile point of sale applications EPOS can also benefit from use of this new printer Integration with wireless systems makes credit card authorization possible EFTPOS Introduction of alkaline battery powered option for increased portability Introduction of new printers with data logger capability Page 3 Introduction of vehicle mount printers operating from the vehicle battery for EFTPOS systems Additionally the design of our products allows easy modification as needed to satisfy customer needs We pride ourselves on responding to specific customer requirements Over the past four years the needs of many of our major customers demanded that we develop new variations of printers for them Some recent examples include e a A a field sales organization in insurance Parallel printer with new board and system design with new communication interface with Itronix unit option a with Alkaline batteries E National railway system Serial printer with battery monitoring Fo wireless network provider MSP ITI with power from car battery parallel interface Bucle requirement remote site hospitality MSP III with RJ I J an OEM needing to satisfy a customer in We developed a Korean font for the S2000 Korea printer Page 4 Section 1 Preparing the Printer In
30. inating the lt Error Message gt string The syntax is as follows e lt ESC gt lt E gt nn Error text in ASCII lt CR gt lt LF gt e Where nn is error number encountered Nine 9 types of Read Error messages may be transmitted by the Mag card reader The following messages terminated with CR LF are returned by the firmware Error Error Message Transmitted 01 Parity Error 02 Checksum Error 03 End Sentinel Not Found 04 Too Many Characters 05 Time out Expired 06 Invalid Character 07 Invalid Track Number 08 Unsupported Track Selected 09 Cancel Request Read Error Messages Error Error Message Description 01 The Parity of the character read is opposite of the card default parity 02 The Checksum calculated did not match the one on the card The checksum is calculated by Exclusive OR ing all the valid data on the card including Begin Sentinel and End Sentinel but excluding the checksum byte 03 End Sentinel must exist on all cards Reader did not find the End Sentinel 04 The Maximum number of characters allowed for a track was exceeded This may happen if End Sentinel is not found 05 The command time out has expired Page 44 06 The Track Reader Escape command string transmitted by Host contained an invalid character 07 Invalid Track Number is selected Tracks 1 2 or 3 can be selected 08 Unsupported Track is Selected Tracks 1 2 or 3 can be selected 09 Cancel Request error stri
31. lable for international use The battery voltage temperature and maximum charge time are monitored during battery recharge cycle Initiating Fast Charge The battery Fast charge is initiated when the power adapter is applied to the printer The battery s voltage and temperature are checked by the fast charge controller before the start of the fast recharge process If the battery voltage or the temperature is outside of the fast charge limits the charger defaults to trickle charge at C 64 rate If the battery voltage and the temperature are valid the yellow lt CHARGE gt LED is illuminated and the fast charge at the 1C rate is initiated The battery temperature and voltage limits are as follows e Temperature less then 50C e Voltage greater than 2 VDC or less than 7 VDC Fast Charge Termination The controller continues the fast charge process until any one of the following charge termination conditions are encountered e Peak battery pack voltage is detected e Recharger Timer time out 90 minutes e Battery temperature greater then 50C The yellow fast lt CHARGE gt LED is turned off at the end of the fast charge cycle and a 5 minute Top off charge cycle is initiated The Top off charge cycle insures full battery charge Pulsed trickle charge cycle follows the Top off cycle The battery is trickle charged at C 64 rate Page 14 Section 4 Control and Character Set Control Characters The printer has a set
32. lows for immediate printing of receipts for employees Joint Technologies Ltd who introduced ComTRAXO Model 50 a portable coin counting system that provides fast accurate accounting of coin and token income from various machines companies and locations CoinTRAX also provides count verification of tagged bags totes coin rolls and over the counter receipts Introduction of the mini serial printer increased the potential for our printers allowing integration with virtually any RS232 serial device including portable computers pen computers vending machines and weighing scales Streetguard Inc who developed Streetguard VVRS a hand held pen computer based parking ticket writing system that allows writing of the ticket directly on the pen computer screen and then printing out to the Extech Mini Serial Printer In 1991 we introduced a built in magnetic card reader MCR option available to read either tracks 1 and 2 or tracks 2 and 3 Both tracks are read and decoded simultaneously Decoded data was transferred to the host computer via the serial port for verification and consolidation into receipt form The completed data is then sent back to the printer for receipt printing Nowadays data transfer is possible through the serial port bi directional parallel port or the IrDA port A unique two way communication protocol allows for the decoded data from the magnetic card to be transmitted to the host computer Again a number of
33. ng is transmitted if Host cancels Magnetic card read in process Magnetic Card Reader Operation in IrDA Mode The way we handle the magnetic card data is the same as for printing data Esc M is sent to the printer in the same way as any other data and the magnetic card reading data is sent back the same way only that it is in the reverse direction IrDA protocol has no knowledge of this at all they are both user data Thus at least in principle there is no need to modify anything in the IrDA Stack IrCOMM 3 wire raw is designed to deliver a single stream of user data in either direction User data can be the ASCII code for A lt CR gt Esc or anything In our case user data happen to be Esc M in one direction and magnetic card data in the other IrLPT is almost identical to IrCOMM 3 wire raw except that most people incorrectly assume that data flows in one direction only Early printers were unidirectional however more are now bi directional like our Series 2000 Page 45 Sample Interface Program in C include lt stdio h gt MSC Standard I O include lt com h gt C Run Time Interrupt Driven Comm include lt vdsp h gt C Run Time Video Display Functions define PRINTSPECS CM_SERIALFSM CM_9600BAUD CM_NOPRTY CM_8BITSI CM_1STOP void readtrk int void exit void char buf 80 Rev d data buffer char cp buf Next buffer loc to use void main void int 1 status Ena
34. of commands which provide control of printer functions The printer also provides response commands informing the user of the printer status Jn this section the recognized control characters and the corresponding printer actions are summarized below EOT 04 04 End Of Text Printer sends an EOT character when buffer is empty tells the host that printer is in idle mode Back Space remove previous character in print buffer 09 09 Horizontal Tab Tab to 5 9 13 17 21 25 29 33 37 or to the beginning of next line Advance to beginning of next line Advance 5 lines Advance 10 lines Carriage Return Advance to beginning of next line clears double width or extended print pending All characters are printed in double width 10x7 All characters are printed in normal width 5x7 XON AQ 11 17 Transmitter On Printer to Host Ready to receive data Host to printer The host is ready to accept data AUXON AR 12 18 Print on Printer to Host Print is on line Transmitted after initial power up or clearing of printer am Character CONTROL ACTION AD AH Al HT VT FF R C Page 15 CONTROL ACTION AS 13 19 Printer receiver is off Printer to Host Print Buffer is full Host to Printer Host transmitter off 14 20 Return to normal print Printer to Host printer is off transmitted to host before power down or paper out CANCEL 18 24 Cancel and reset printer If received print buffer is reset and printer placed in initial
35. ollowing this command are printed double high 5x14 Extended print off Normal print OFF All characters following this command are printed normal size 5x7 Auto Paper Load Procedure A Turn on the printer Lift up the head lever The red ERROR led will remain on for 60 seconds Insert paper to the print head and lower the lever The auto paper load will feed the paper through for 2 00 Procedure B Turn on the printer Press the FEED ADVANCE button The red ERROR led will remain on for 60 seconds Insert paper to the print head The auto paper load will feed the paper through for 2 00 Page 26 Issuing Escape Commands Many 2000T printer properties may be modified by issuing escape commands The following pages detail these commands using conventions detailed here Suda The next character is a control character lt A gt lt P gt lt Q gt Single quotation marks denote constant ASCII characters Italics denote variable bytes in control string 0x00 OxAB Ox1F Hexadecimal representation of a number Example 8 Bit Graphic Line s lt ESC gt lt V gt lt n1 gt lt n2 gt lt data gt e lt ESC gt is the ASCII character 0x1B hexadecimal lt V gt is the ASCII character 0x56 hexadecimal e lt nl gt lt n2 gt are single byte variables lt data gt is a sequence of variable data Font Selection MSP FONTS ASCII range 32 255 lt ESC gt lt F gt lt n gt
36. ormal character size upon initial power up Expanded Character Expanded size or double wide characters are formed by using 10x7 dot matrix Expanded print is selected by sending the EXPAND character command 0E 14 to the printer all succeeding characters are printed in Expanded form Sending the EXPAND OFF character 0F 15 or Carriage Return resets the Expanded print to normal print Extended Character The Extended or double height characters are formed by using a 5x14 dot matrix Extended Print can be selected through the communication interface by sending the EXTEND command 1C 28 character EXTEND 1D 29 or Carriage return resets the Extended print to normal print Large Character Page 17 The Large characters are formed by using a 10x14 dot matrix Large character print is selected if both Expanded and Extended print is selected To reset large print to normal print Expanded and Extended prints must be disabled or Carriage return sent to printer Dot Addressable Graphics The SERIES 20001 can print special symbols graphs and characters if operated in the Dot Addressable Graphics mode In the Dot Addressable Graphics mode of operation the printer prints one dot line at a time Each horizontal dot line is made out of 1x6 dot cells and the total number of dot cells per line is the same as the maximum number of columns on the printer Each dot in a 1x6 dot cell can be turned ON or OFF by sending specific ASCII ch
37. phic Character set Perform n lt 125mm gt dot line feed Supervisory commands Command Printer status request Response Print buffer status MCR status Command Battery status request Response Print buffer status Battery Voltage status Command Power down Print Battery voltage Magnetic Card Reader MCR Enable MCR Disable MCR lt ESC gt lt V gt lt n1 gt lt n2 gt lt data gt nl 8 bit integer indicating the number of 48 byte graphic lines to be received n2 ignored From 00 FF Hex using bits 0 7 Bit seven left lt ESC gt lt J gt lt n gt lt CTRL gt lt B gt lt ESC gt lt B gt lt 4 ASCII digits gt lt CR gt lt LF gt lt ESC gt lt M gt lt 4 ASCII digits gt lt CR gt lt LF gt lt CTRL gt lt V gt lt ESC gt lt B gt lt 4 ASCII digits gt lt CR gt lt LF gt lt ESC gt lt V gt lt 4 ASCII digits gt lt CR gt lt LF gt lt ESC gt lt M gt lt 2 ASCII digits gt lt 0 gt lt CR gt lt ESC gt lt P gt lt gt lt ESC gt lt M gt lt 2 ASCII digits gt lt n gt lt CR gt lt ESC gt lt C gt For details of MCR see Section 14 Clock Calendar and Line Counter commands Set Clock Calendar Enable Auto Clock calendar print Disable Auto Clock calendar print lt ESC gt lt P gt lt s gt lt ASCII Time and Date String gt lt 12 30 00 12 12 98
38. press lt ON gt The printer will print a self test receipt similar to DC test strip below Release lt FEED gt and lt ON gt when receipt starts to print If a self test receipt isgenerated DC poweris OK Press lt OFF gt and wait until all lights are off Plug AC adapter into printer Press lt ON gt the green ON LINE light illuminates and after 20 seconds the red STATUS light should flash the green AC ON light is illuminated and the ON LINE light goes off After 20 secondsall lights go off e Ifthe CHARGE light is on this will continue on through this test Remove battery and replace it with a low power battery around 5 1 VDC Insert AC adapter plug into printer Page 49 If the amber CHARGE light comes on indicating charge circuit is OK Page 50 Section 15 Regulatory Notes FCC Part 15 Class B This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be
39. putting more emphasis in the text 6 Bit Dot Addressable Graphics commands The printer will operate in 6 Bit Dot Addressable Graphics mode on receiving the Esc G graphic command While in this mode the printer prints one dot line at a time on receipt of 64 graphic characters or LF command The LF command advances the paper by one dot line Each horizontal graphic dot is made from 1x6 dot cells the total number of dot cells per line is 64 corresponding to the 384 total dots per line capacity Each dot in a dot cell can be turned on or off by sending specific ASCII characters For example F hex will energize all dots while 40 hex de energizes all the dots Select 6 Bit Addressable Graphic Mode lt ESC gt lt G gt Graphic Character set From 03F 7E Hex using bits 0 5 Select Text Mode lt ESC gt lt A gt Perform single 25 dot line feed lt ESC gt lt J gt lt n gt or lt LF gt or lt CR gt Page 20 Section 7 Operating in MS DOS World For proper operation of the S2000T printers in the DOS environment the following are required FOR SERIES 2000T Serial Printer Version Use DOS print command to print or Write Direct to printer port Set the PC s communication baud using DOS MODE command Printer and PC baud rate and parity have to match e MODE com1 19200 n 8 1 Redirect PC s serial COM port to parallel LPT e MODE Iptl com1 Set the printer port for infinite retry using the DOS MODE command
40. re from 01 through 31 CONTROL ACTION EOT AD 04 04 End Of Text Printer sends an EOT character when buffer is empty This is used to tell the host that printer is in idle mode AA a Remove previous character in print buffer HT Al 09 09 Horizontal Tab Tab to 5 9 13 17 21 25 29 33 37 or to the beginning of next line Advance to beginning of next line Advance 8 lines Advance 11 lines AM 0D 13 Carriage Return Dl eal Advance to beginning of next line Clears double width or extended print pending All characters are printed in double width 24 Columns Mode AO AQ OF 15 Shift In All characters are printed in normal width 48 Columns Mode 11 17 Transmitter On Printer to Host Ready to receive data Host to printer The host is ready to accept data AUXON AR 12 18 Print on Printer to Host Print is on line Transmitted after initial power up or clearing of printer jam XOFF AS 13 19 Printer receiver is off Printer to Host Print Buffer is full Host to Printer Host transmitter off NORM T 1420 Returntonormalprint Transmitted to host before power down or paper out Escape character precedes graphics and printer operating modes Refer to escape command section EXTEND A 1C 28 Extended print All characters following this command are printed double high 5x14 EXTEND A 1D 29 Extended print off Normal print OFF All characters following this command are printed normal size 5x7 Issuing Escape Commands
41. t four locations to record logo to n 0x00 0x01 0x02 0x03 is the same as n 0x30 0x31 0x32 0x33 if n 255 recording halts lt ESC gt lt Q gt lt J gt lt n gt Perform lt n gt 0 125mm reverse dot feeds lt ESC gt lt Q gt lt Q gt lt n gt On paper detect fail wait lt n gt 0 125mm dot lines to alert paper out error n 0x00 OxFF lt ESC gt lt Q gt lt F gt lt n gt Seek Q Mark using forward feed until lt n gt 0 25mm dot line feeds have been processed n 0x00 OxFF lt ESC gt lt Q gt lt B gt lt n gt Seek Q Mark using backward feed until lt n gt 0 25mm dot line feeds have been processed n 0x00 OxXFF Page 40 Paper Found Paper Not Found Form Loading Load Form Load Form Variable Data lt ESC gt lt Q gt lt 0x3F gt lt 0x3F gt lt nI gt lt n2 gt nl and n2 are the high and the low nybble respectively describing how many 0 25mm dot lines were required to find Q Mark Each nybble is or ed with 0x30 lt ESC gt lt Q gt lt 0x30 gt lt 0x30 gt lt n1 gt lt n2 gt nl and n2 are the high and the low nybble respectively describing how many 0 25mm dot lines were processed Each nybble is or ed with 0x30 lt ESC gt lt L gt lt T gt lt n gt lt data gt lt EOS gt n 0x00 0x09 denotes form storage location Data bytes are formatted as by
42. te pairs lt m gt and lt c gt m character qualifier 0x00 0x09 c ASCII character or array index value If m 0x00 then c is an ASCII fixed character If m is not equal to 0x0 then m specifies the variable array identification number while c indicates the index of the array EOS Oxff indicates end of character string lt ESC gt lt L gt lt t gt lt m gt lt data gt lt 0x00 gt m 0x0 0x09 variable array identification number data ASCII string saved to variable array specified Page 41 Section 12 Magnetic Card Reader Introduction e An optional Magnetic Card Reader is available for the S2000T series printers This option is designed to read Magnetic Cards conforming to ISO standards ABA IATA MINTS and THRIFT convert the encoded signals to ASCII format and transmit the information to the host computer or terminal e Two Types of Magnetic Card Reader Heads are available The part number Model number and functional description of each type are summarized below Part Model Track Functional Description Track Max capacity data bits Recording method Recording Density 7A070007 MR 2105 1 amp 2 Track 1 79 characters 7 bit RecM F2F RecD 210BPI Track 2 40 characters 5 bit RecM FM RecD 75BPI 7A070011 MR 2106 2 amp 3 Track 2 40 characters 5 bit RecM FM RecD 75BPI Track 3 107 characters 7 bit RecM F2F RecD 210BPI Note All readers will accept o
43. to clear Charge battery if problem persists change battery Charge battery if problem persists change battery Prints illegible characters Improper baud rate and parity Printer will not print in IrDA Obstruction of IrDA Verify the printer and host settings Use self test to verify printer settings Clear obstruction if problem persists check customer service Extech Data Systems Testing Power and Charging Circuits for MPP Ill Printer Test all printers before returning to Extech using the following procedure This will ensure the fault is with the printer and not some other part of your system Install a fully charged battery measuring 5 45 VDC To ensure a fully charged battery we recommend you purchase a battery charger from us Part 767500 cost 150 00 The battery charger trickle charges 4 batteriesat a time Press lt OFF gt switch and wait until all lights are off Pressand hold the lt FEED gt switch and then insert AC adapter plug into printer The printer will print a self test receipt similarto AC test strip below e To test the AC adapter use a multimeter and measure output output must be gt 12 5V e If the amber charge light goes on the battery is not fully charged but charge circuit is OK If the receipt is printed AC powerisOK Release lt FEED gt and remove the AC adapter plug from the printer Press lt FEED gt switch and while continuing to press lt FEED gt
44. troduction This guide summarizes the programming operating and maintenance features of the SERIES 2000T Series 20001 and Series 3000T Extech printers This section should be included in your operating guide for the final users of the printer Initial preparation of the Printer You must charge the battery cartridge before you can operate the printer e To do this you must install the battery in the printer or e Use a separate battery charger Part Numbers 767600 or 767700 e You will need an Extech 9VDC 1 0A power adapter normally provided with the printer Insert the battery into the printer e To remove the battery door at the back of the printer place a coin into the slot and push this releases the lock see figure 2 e Remove the battery door by lifting away from the guide rails e Install the battery cartridge in the battery compartment located at the back of the printer as shown in Figure 2 Ifthe battery has not been previously charged in an external battery charger you will need to charge it overnight in the printer e Place the power adapter into an appropriate wall socket then plug the power adapter cord into the connector at the rear of the printer see Figure 3 The yellow lt Charge gt light will illuminate e Leave the battery on charge for 12 hours Select a serial communication interface RS232 or IrDA see figure 1 e Dip switch 8 in the on position selects IrDA interface In the of
45. ty on off Even Parity on on 6 Hardware Handshaking SW6 enable on disable off 7 Clock and Calendar SW7 clock set on 8 Communication Interface SW8 RS232 off IrDA on Page 11 RS232C Connections The RS232C Interface signals for the S2000T Series printers are terminated on a 6 PIN RJ type data connector located at the back of the printer Figure 3 Six connections are provided from the Serial Interface to the host computer for proper operation of this option The table below lists the Serial Interface signals and pinouts on the RJ connector A minimum of two connections are required for operation RXD pin3 and Common pin1 RJ FUNCTIONAL SIGNAL CONNECTOR PIN DESCRIPTION NAME 5 RS232 from Host INPUT RS232 from Printer QUTPUT 6 Request to send from Host INPUT Clear to send from Printer OUTPUT OM Logic common RS232C Technical Specifications RS232C technical specifications are as follows DATA TRANSFER RATE 2400 Through 19200 baud WORD LENGTH 1 Start bit 7 Or 8 Data bits 1 Or 2 Stops bits PARITY BIT None Odd or even SIGNAL LEVELS Mark or Logical 1 3 to 15VDC Space or Logical 0 3 to 15VDC RTS CTS or XON XOFF HANDSHAKING Caution e In one version of the Impact Printer the baud rate is from 1200 through 9600 Page 12 SERIAL IrDA Communication Interface This section summarizes the operating features of the Extech S2000T printer seri
46. wo characters ESC M turn on the Card Reader Set the Card Read Time out e The next two digits 01 through 99 sets the time out in seconds before the printer turns off the Card Reader A good read automatically turns off the reader Select Track number to read e The Fifth character specifies the Track number s to read e Sending 1 2 or 3 enables read of single track 1 2 or 3 e Sending 4 enables simultaneous read of tracks 1 and 2 e Sending 5 enables simultaneous read of tracks 2 and 3 e There is currently no command to read tracks 1 2 and 3 simultaneously Terminate command string e The S2000 waits for Carriage return character before start of the magnetic card read process Track Data Output Format The lt Track Data gt retrieved from magnetic card is transmitted to the Host in ASCII format The lt Track Data gt format is as follows e 1 lt TRACK 1 DATA gt lt CR gt lt LF gt e 2 lt TRACK 2 DATA gt lt CR gt lt LF gt e 3 lt TRACK 3 DATA gt lt CR gt lt LF gt Page 43 The first three characters 1 flag the track number The track data follows the third character CR LF terminates the lt Track Data gt string Read Error Messages All error messages are prefaced by lt ESC gt lt E gt characters Following these two characters is a comma the error number in ASCII 01 through 99 another comma English description of the error encountered and finally CR LF term
47. x02 gt poll command lt 0x1B gt lt 0x4D gt lt 0x30 gt lt 0x39 gt lt 0x39 gt lt 0x31 gt lt 0x0D gt lt 0x0A gt lt ESC gt lt M gt lt time out gt lt track gt lt CR gt lt LF gt Page 22 Printer battery level status For Example if the printer battery voltage is at 6 58 volts the following battery status string is returned upon receiving a lt 0x02 gt poll command lt 0x1B gt lt 0x4D gt lt 0x00 gt lt 0x36 gt lt 0x35 gt lt 0x38 gt lt 0x0D gt lt 0x0A gt The internal battery voltage can vary from 5 00 depleted to 7 25 full charge volts Page 23 Section 9 Auto Power Down Feature In order to conserve battery life the S2000T printer features a auto power down timer The power down timer defaults to 20 seconds on initial power up The auto power down timer can be set by sending recognized command string or disabled by activating the lt RTS gt input line or setting the auto power down timer to zero The auto power down command string ESC M n n 0 27 1d 2 digit ASCII 48 thru 57 48 Disable timer 27 11 48 48 48 Set to 99 seconds 27 17 57 57 48 CR 13 13 13 The first two characters ESC and M are command header characters The next two digits ASCII 01 through 99 sets the time out in seconds while the last two characters are the command terminator characters Sending ESC C resets the auto timer to initial power up default setting of 20 seconds Page 24

Extech Instruments Series 2000 Computer Hardware User Manual

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