Exmark 920 Lawn Mower User Manual
Contents
1. Chapter 2 Operating Your Compact Printer OPERATING MSP MPP PRINTER IN MS DOS ENVIRONMENT 2 8 To insure proper operation of the Extech MPP MSP printers in DOS environment the following are required FOR MPP SERIES Parallel Printer 1 Use DOS print command to print or Write Direct to printer port 2 Set the printer port for infinite retry using the dos MODE command MODE LPT1 P FOR MSP SERIES Serial Printer 1 Use DOS print command to print or Write Direct to printer port 2 Set the PC s communication baud using DOS MODE command printer and PC baud rate and parity have to match Mode com1 9600 n 8 1 r 3 Redirect PC s serial COM port to parallel LPT mode Ipt1 com1 4 Set the printer port for infinite retry using the dos MODE command MODE LPT1 P OPERATING MSP MPP PRINTER IN WINDOWS ENVIRONMENT 2 9 To insure proper operation of the Extech MSP MPP in a windows environment the following are required Select Generic text only printer driver Use Windows printer manager For MPP Parallel printers Set the PC s parallel LPT1 port as follows LTP1 Local Port Device not selected 15 transmission retry 45 Fast printing Direct to Port enabled For MSP serial printers 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 19 Chapter 2 Operating Your Compact Printer 3 0 OPERATING YOUR COMPACT2. DC negative input The AC Power Adapter is internally fused and it s output is rated at 9 VDC 1 0A for MSP II printer series and 9VDC 2 0A for MSP III The Power adapter AC input is available for either 110 VAC or 220 VAC Page 9 Chapter 1 Installation and Initial Power Up PART DESCRIPTION 152117 MSP MPP II 110 VAC IN 9VDC 1A Out 152220 MSP MPP II 220 VAC IN 9VDC 1A Out 153117 MSP MPP III 110 VAC IN 9VDC 2A Out 153220 MSP MPP III 220 VAC IN 9VDC 2A Out 151129 DC CAR ADAPTER 1 6 2 DC POWER CONNECTION OPTIONAL For DC powered units a two conductor power plug is provided Refer to Table 1 0 to connect power to your DC unit No internal fuse is provided with DC units It is strongly recommended to install external fuses with the values shown in the table 1 0 Table 1 0 below summarizes Voltage Current and Fuse requirements for AC and DC configurations MODEL VOLTAGE CURRENT USE MSP MPP 110VAC TERNALLY FUSED 10 TERNALL ED N 220VAC MSP MPP dum 4 WATTS 1 0A SLB 13 6VDC Table 1 0 Voltages Currents and Fuses 1 6 3 INSTALLING BATTERY Install the battery pack provided into the battery compartment at the bottom of the printer The battery pack provided must be charged over night prior to its first use To charge the battery pack use the AC adaptor provided 8 10 hours are required to recharge the battery pack The MSP MPP printers are capa
3. PRINTER PART 2 This chapter describes the input connections operation and electrical characteristics for all MSP MPP printers The operating features of the MSP Serial printers are covered in section 3 1 The operating features of the MPP Parallel printers are covered in section 3 2 3 1 MSP SERIES SERIAL COMMUNICATION SPEED AND PARITY The proper Baud Rate and protocol settings are required to communicate with a host computer The standard factory setting is 9600 BAUD 8 DATA BITS NO PARITY BIT and one STOP BIT A six position dip switch located to the left of the paper tray can be used to set the baud rate and parity Figure 3 1 The printer reads these switches once on initial power up Switches 1 and 2 are used to set the communication speed baud rate Switches 4 and 5 are used for parity selection SW4 SW5 PARIT BIT Y OFF N ty OFF The printer self test can be used to print and verify the current serial settings A sample test print is shown in SECTION 1 8 Page 20 3 1 1 MSP SERIES SERIAL COMMUNICATION PROTOCOL Two communication protocols are supported by the MSP printer series SERIAL BUSY PROTOCOL and XON XOFF PROTOCOL 3 1 2 MSP SERIES SERIAL BUSY PROTOCOL In this mode Pins 4 RTS From Host and 5 CTS From Printer are used to control data flow to and from the printer This protocol is available for serial RS232C version prin
4. Yellow If illuminated the battery is accepting charge Turns off automatically at the end of the charge cycle Green illuminated if the printer senses the presence of the AC power Green illuminated if a command to Enable Magnetic card reader is received Red Flashing indicates start of power down process Red illuminated steady if the battery is too low to turn on the printer mechanism Red illuminated steady Magnetic card reading Error Page 26 PROBLEM Printer will not turn on Charge LED not lighting when AC adapter is plugged in Battery not Charging Poor print Quality Paper not feeding Error LED on Steady Low BAT LED on Steady Prints illegible characters Printer will not print Appendix B Trouble Shooting Guide POSSIBLE CAUSE Discharged Battery No AC power Bad AC Adapter Battery incorrectly installed or no AC Worn ribbon Obstruction in paper path or improperly installed Print Mechanism Jam Low Battery Low AC or Battery Improper Baud rate and parity Improper cabling Page 27 SOLUTION Recharge battery overnight Check AC outlet and adapter Battery pack fully charged Check Battery installation and AC adapter Replace ribbon Check the paper path Verify installation Use paper with the right thickness Press FEED to clear problem If problem persists recharge battery or cycle power Recharge Battery Verify the printer and Host setting
5. the lt RTS gt or SELECT signals 2 3 4 PRINTER BATTERY PACK The MSP MPP printer is designed to operate with a 5 0 VDC 800 mAH rechargeable Ni Cd battery pack The battery recharge and monitor circuits are located on the printer controller Two LED indicators showing the status of the battery pack are provided The Low BAT LED is turned on when the battery voltage drops below 4 1 volts The Charge LED is on while the battery is accepting charge It turns off automatically at the end of the charge cycle when battery voltage reaches 5 56 volts 8 to 10 hours are required to fully recharge the batteries Up to 216 000 characters can be printed with a fully charged battery pack The battery pack will hold charge for 800 to 1000 hours after complete recharge Remove the battery pack from the printer battery compartment during long storage or shipping Additional battery packs and a 4 pack battery charger are available The part numbers and descriptions of these accessories are PART CAPACITY DESCRIPTION 7A100002 700 mAH 700 mAH battery pack 7A100003 800 mAh 800 mAh battery pack 767500 Simultaneous 4 battery pack charger The Extech AC adapters and their respective specification are listed in section 1 6 1 of this manual Page 14 2 4 CONTROL CHARACTERS Chapter 2 Operating Your Compact Printer The printer has a set of commands which provide control of printer functions The printer also provides response commands
6. to acknowledge that the data has been received and lowers the BUSY signal Page 23 3 2 2 MPP SERIES PARALLEL INTERFACE SPECIFICATIONS DATA TRANSFER RATE 6000 Characters second SYNCHRONIZATION Via lt STROBE gt line HANDSHAKING lt ACK gt and BUSY Signals SIGNAL LEVELS Compatible with CMOS and TTL levels 3 2 3 MPP SERIES PARALLEL INTERFACE TIMING DIAGRAMS 3 2 4 MSP MPP SERIES DATA CONNECTOR Page 24 Appendix A Serial MSP MPP Users quide This Guide summarizes the operating and maintenance feature of Extech MSP or MPP printer series Refer to user s and operators manual for additional information Initial preparation Install the battery pack in the battery compartment located on the back of the printer Recharge battery pack overnight by using the Extech power adapter provided Connect the Data Connector located on the front of the printer Set the communication parameters serial printers only If interfacing to PC set MS DOS and Windows variables Initial power up and self test Press lt SLCT gt or ON switch to turn on printer Press SET or OFF to turn off printer To start self test Hold FEED switch then press lt SLCT gt or ON Install Paper Remove the back cover Turn on the printer by pressing the lt SLCT gt or ON switch Tear and discard any paper remaining in the printer tray Remove any paper remaining in the printer mechanism using the F
7. 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 F THIS EQUIPMENT DOES CAUSE HARMFUL INTERFERENCE TO RADIO OR TELEVISION RECEPTION which can be 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 R eorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 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 The customer is responsible for ensuring proper packing to prevent damage in transit 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 modi
8. CHARACTERS 2 5 BUILT IN CHARACTER FONTS 2 6 CHARACTER SIZE 2 6 1 NORMAL CHARACTER 2 6 2 EXPANDED CHARACTER 2 6 3 EXTENDED CHARACTER 2 6 4 LARGE CHARACTER 2 6 5 PRINTER CHARACTER SET 2 7 DOT ADDRESSABLE GRAPHICS 2 7 1 GRAPHIC CHARACTER SET 2 7 2 GRAPHICS CHARACTER HEX DOT PATTERNS 2 8 OPERATING PRINTER IN MS DOS ENVIRONMENT 2 9 OPERATING PRINTER IN WINDOWS ENVIRONMENT Page 5 3 0 OPERATING YOUR COMPACT PRINTER PART II MSP RS232C SERIAL INTERFACE 1 MSP SERIES SERIAL COMMUNICATION PROTOCOL 2 MSP SERIES SERIAL BUSY PROTOCOL 3 MSP SERIES XON XOFF PROTOCOL 4 MSP SERIES RS232C CONNECTIONS 5 MSP SERIES OPTIONAL RJ11 RS232C CONNECTOR 6 MSP SERIES RS232C TECHNICAL SPECIFICATIONS 3 2 MPP SERIES 8 BIT PARALLEL INTERFACE 3 2 1 MPP SERIES PARALLEL INTERFACE OPERATION 3 2 2 MPP SERIES PARALLEL INTERFACE SPECIFICATIONS 3 2 3 MPP SERIES PARALLEL INTERFACE TIMING DIAGRAMS 3 2 4 MSP MPP SERIES DATA CONNECTOR Appendix A Serial MSP MPP Users guide Appendix B MSP MPP printer trouble shooting guide Appendix C Magnetic Card Reader Option Appendix D Infrared Data Input Option Page 6 Chapter 1 Installation and Initial Power Up 1 0 INSTALLATION AND INITIAL POWER UP Thank you for selecting the Extech compact portable printer The MPP MSP printer series feature compact reliable plain paper dot matrix printers capable of printing 24 through 42 columns and dot addressable graphics Packaged in rugged Cycolac enclosure it is
9. EED switch Do not REVERSE pull paper out of the printer mechanism this will damage printer Feed the new roll of paper into the printer paper slot press the FEED switch to advance the paper Install Ribbon Remove the back cover 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 the that paper passes through exposed ribbon and ribbon cartridge case Page 25 Membrane Switch Functions lt SLCT gt or lt ON gt The lt SLCT gt switch is used to turn printer power on The green lt ON Line gt LED is turned on if printer is selected lt FEED gt The FEED switch is used to advance the paper by one line SET or OFF The lt SET gt switch is used to turn the printer OFF The red Error LED starts flashing when lt SET gt switch is pressed lt ADVN gt or lt gt The lt ADVN gt switch is used to advance paper by one line Front Panel Indicators lt ON Line gt lt Low BAT gt lt Charge gt lt Ready gt lt Error gt Green If illuminated the printer is selected Yellow If illuminated the battery pack is depleted Recharge battery pack if LED is on
10. EXTECH DATA SYSTEMS MSP MPP II III COMPACT PORTABLE PRINTER USER S MANUAL VERSION 2 0 DATE August 1995 Extech Data Systems A Division of Extech Instruments Corporation 335 Bear Hill Road Waltham MA 02154 Part Number 7A060023 About this Manual Objective This Users Manual supplies the necessary information for installing and operating Extech MPP MSP compact portable printer series Contents Chapter 1 This chapter starts with the visual overview of your MSP MPP printer series Power data ribbon paper and installation procedures are covered and supported with helpful diagrams At the end of this chapter you are ready for the initial power up and printer self test Chapter 2 This chapter starts with the operational overview of your MSP MPP printer series The features of each module comprising the printer are described The printer operating modes are detailed The character set fonts controls characters and graphics print commands are listed Chapter 3 In this chapter RS232C and 8 Bit Parallel Centronics interface input pins operation and electrical characteristics are listed The Serial Baud Rate and Parity selection and 8 bit parallel operation are described Appendix A Serial MSP MPP Users guide Appendix B MSP MPP printer trouble shooting guide Appendix C Magnetic Card Reader Option Appendix D Infrared Data Input Option Page 3 NOTE FCC Part 15 Class B This equipment has been tested and found
11. Match use test print to verify Printer setting In MS DOS use write direct to port In WINDOWS use Generic printer driver print manger and direct write to port For MSP verify that PC s pins 6 8 and 20 tied together For MPP make proper cable is in use all 25 pins connected straight through APPENDIX C Magnetic Card Reader Option Introduction An optional Magnetic Card Reader is available for the MSP MPP 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 Three Types of Magnetic Card Reader Heads are available The part number Model number and functional description of each type are summarized in Table 1 The Model number of the Magnetic Card Reader installed in the printer is shown on a label located inside the printer battery compartment al mes Track Functional Description Track Max capacity data bits Recording method Recording Density hend MR Track 1 79 characters 7 bit 2105 RecM F2F RecD 210BPI Track 2 40 characters 5 bit RecM FM RecD 75BPI 7A07000 MR Track 2 40 characters 7 bit 5 1102 RecM FM RecD 75BPI 7A07001 MR 2 amp 3 Track 2 40 characters 7 bit 1 2106 RecM FM RecD 75BPI Track 3 107 characters 5 bit RecM F2F RecD 210BPI Table 1 Note All readers will accept odd or even Parity In
12. PTIONAL RJ11 RS232C CONNECTOR The table below lists the Serial Interface signals and pinouts for the Extech MSP printer series with RJ11 type space saving data connector The six 6 pin RJ11 data connector is located at the left side of the printer adjacent to power input connector The pin 1 is on the left side of the connector Five connections are provided from the Serial Interface to the host computer for proper operation of this option minimum of two connections are required for operation RXD pin3 and Common pin1 or pin5 MSP RJ11 CONNECTOR FUNCTIONAL PIN DESCRIPTION E RS232 serial output inter to 1 input t to Print Send out n Printer to H Request To Send i n Host to Prin 3 1 6 MSP SERIES RS232C TECHNICAL SPECIFICATIONS RS232C technical specifications are as follows DATA TRANSFER RATE 1200 Through 9600 Baud Dip switch select WORD LENGTH 1 Start bit 7 Or 8 Data bits 1 Or 2 Stops bits SIGNAL LEVELS Mark or Logical 1 3to 15VDC Space or Logical O 3 to 15VDC HANDSHAKING RTS CTS or XON XOFF Page 22 3 2 MPP SERIES 8 BIT PARALLEL INTERFACE The Parallel Interface signals for the MPP printer series are terminated on a 25 pin IBM PC parallel printer output type connector located on the front panel of the printer The table below lists the Parallel Interface signals and the connector pinouts A before a signal name
13. ble of delivering from one to two hours continuous printing on a full charge 1 7 INSTALLING PAPER AND RIBBON The printer is shipped from the factory with paper and ribbon installed refer to this section to install new supply of paper and ribbon The paper tray and ribbon cartridge of the MSP MPP compact printers are located inside the printer enclosure To access the paper tray and the ribbon cartridge the back cover must be removed To remove the back cover press in at the arrow mark while pulling the back cover up 1 7 1 INSTALLING PAPER T Remove the back cover section 1 7 and figures 1 1 and 1 3 T Turn on the printer by pressing the lt SLCT gt or ON switch Page 10 Chapter 1 Installation and Initial Power Up T Tear and discard any paper remaining in the printer tray T Remove any paper remaining in the printer mechanism using the FEED switch t Do not REVERSE pull paper out of the printer mechanism this will damage the printer mechanism T Feed the new roll of paper into the printer paper slot using the FEED switch 1 7 2 INSTALLING RIBBON T Remove the back cover section 1 1 and figure 1 3 T Remove the worn ribbon by pressing with one finger at the location labeled EJECT on the ribbon cartridge T Insert the new ribbon in place and press at the extreme ends of the ribbon cartridge to secure it in place T With your thumb tighten the ribbon by rotating clockwise the ribbed wheel located on the f
14. designed for use as a table top or portable battery operated printer These printers are available in two types of interfaces either serial RS232C or 8 bit parallel All models feature 2048 character print buffer to free the host computer during the printing process The serial RS232C printers models MSP Il or MSP Ill support all standard serial communication handshakes the communication rate and the protocol are set via dip switches The 8 bit parallel printers models MPP II or MPP Ill support Centronics compatible communication handshakes 1 1 MODEL NUMBER To best meet OEM requirements the Extech compact portable printers are manufactured in a variety of configurations The Model number of your printer is shown on the front panel label Figure 1 0 The model number of the printer is comprised of three fields The first field specifies the type of communication interface installed the second field specifies print speed and the third field specifies the number of the print columns The model number convention summarizing the features of the printer are listed below MSP Il 24 1 2 3 1 Printer interface type MSP sieur Serial RS232C interface MPP 8 bit parallel interface 2 Print speed Il xi 40 Characters per second CPS ER 60 Characters per second CPS 3 Print columns For II 24 or 42 columns For Ill 24 or 40 columns The instructions in this manual apply to the following Extech compact printer
15. e Dot matrix size Expanded Double Wide Extended Double Height Large double wide and 10x14 double height 2 6 1 NORMAL CHARACTER The Normal characters are formed using a 5x7 dot matrix The printer defaults to 5x7 matrix Normal character size upon initial power up 2 6 2 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 2 6 3 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 2 6 4 LARGE CHARACTER 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 PRINTER CHARACTER SET The following Table lists the entire printable character set starting at ASCII code 32 space character Page 17 Chapter 2 Operating Your Compact Printer 2 7 DOT ADDRESSABLE GRAPHICS The MSP MPP Compact Pr
16. eader 2 Set the Card Read Timeout The next two digits 01 through 99 sets the timeout in seconds before the printer turns off the Card Reader A good read automatically turns off the reader 3 Select Track number to read The Fifth character specifies the Track number s to read Sending 1 2 or 3 enables read of single track 1 2 or 3 Sending 4 enables simultaneous read of tracks 1 and 2 Sending 5 enables simultaneous read of tracks 2 and 3 There is no command to read tracks 1 2 and 3 simultaneously Page 29 4 Terminate command string The MSP MMP waits for Carriage return character before start of the Magnetic card read process Table 2 summarizes the recognized Magnetic card command strings 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 1 lt TRACK 1 DATA CR lt LF gt 2 TRACK 2 DATA CR lt LF gt 131 TRACK 3 DATA CR lt LF gt The first three characters 1 flag the track number The track data follows the third character CR LF terminates the Track Data 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 terminating the Error Message strin
17. en LED labeled lt ON Line gt illuminates if the printer is selected Low BAT indicator The Yellow LED labeled Low BAT gt illuminates if the battery pack is depleted Recharge battery pack if LED is on Charge indicator The Yellow LED labeled Charge illuminates if battery is accepting charge t turns off automatically at the end of the charge cycle Ready indicator The green LED labeled Ready is used for the following The Ready LED illuminates if the printer senses the presence of the AC power The Ready LED illuminates if a command to enable Magnetic card reader is received Error indicator The red LED labeled lt Error gt is used for the following indication The Error LED flashing The Error LED flashes at a rate of once per second for 5 seconds before auto shutoff of the printer The Error LED stays lit The Error LED stays lit if the printer control card fails to turn on the printer mechanism due to low battery or paper jam or if an error is detected while reading the magnetic card Page 8 Chapter 1 Installation and Initial Power Up 1 4 MEMBRANE SWITCH PANEL Four membrane switches are provided on the left side of the MSP MPP printers for various operator controls The switches are labeled SLCT FEED SET and lt ADVN gt The functions performed by these switches are summarized below lt SLCT gt or ON The lt SLCT gt or ON switch is used to
18. fication Extech specifically disclaims any implied warranties of merchantibility 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 Call 617 890 7440 A Return Authorization number must be issued before a unit is returned to Extech for repair Once a unit has been properly returnd to Extech it will be repaired estimates are provided first if the repair cost is estimated above 50 00 and returned via UPS ground The customer may elect a faster mode of transport at their cost Page 4 Contents 1 0 INSTALLATION AND INITIAL POWER UP N MODEL NUMBER UNPACKING YOUR PRINTER FRONT PANEL LED INDICATORS 1 4 MEMBRANE SWITCH PANEL 1 5 DATA CONNECTOR 1 6 POWER INPUT 1 6 1 AC POWER ADAPTER 1 6 2 DC POWER CONNECTION OPTIONAL 1 6 3 INSTALLING BATTERY 1 7 INSTALLING PAPER AND RIBBON 1 7 2 INSTALLING PAPER 1 7 2 INSTALLING RIBBON 1 8 INITIAL POWER UP AND SELF TEST 2 0 OPERATING YOUR COMPACT PRINTER PART I 2 1 PRINTER CONTROLLER 2 2 PRINTER MECHANISM 2 2 1 PRINTER PAPER SPECIFICATION 2 3 PRINTER POWER 2 3 1 MANUAL POWER UP AND POWER DOWN 2 3 2 AUTO POWER DOWN TIMER 2 3 3 POWER UP VIA DATA INTERFACE 2 3 8 PRINTER BATTERY PACK 24 CONTROL
19. g The syntax is as follows lt ESC gt lt E gt nn Error text in ASCII lt CR gt lt LF gt 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 Timeout Expired 06 Invalid Character 07 Invalid Track Number 08 Unsupported Track Selected 09 Cancel Request Page 30 Read Error Messages description Error 01 02 03 04 05 06 07 08 09 Error Message Description The Parity of the character read is opposite of the card default parity 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 End Sentinel must exist on all cards Reader did not find the End Sentinel The Maximum number of characters allowed for a track was exceeded This may happen if End Sentinel is not found Refer to Table 1 for further details The command timeout has expired The Track Reader Escape command string transmitted by Host contained an invalid character Invalid Track Number is selected Tracks 1 2 or 9 can be selected Unsupported Track is Selected Tracks 1 2 or 9 can be se
20. haracters on that line Keep track of the number of lines sent Before sending a line check to see if print buffer is full 50 lines for 24 column printers 28 lines for 40 42 column printer If print buffer is full Wait 2 seconds before sending the next line Page 34 Figure 1 0 Showing front labels including charge indicators and model number EXTECH INSTRUMENTS MPP II 24 ON line LP c Ln BAT RN Charge RSS e 6 PNL1 Page 35 Figure 1 1 Membrane Switch panel showing lt SLCT gt FEED SET and lt ADVN gt switches Page 36 Figure 1 3 Battery compartment view showing battery pack polarity and part number a wo om t I m m x BS tom po S E hl D E Page 37 Figure 1 4 Showing Paper Roll installation PUSH AT ARROW PNL4 TO REMOVE COVER Page 38 Figure 1 5 Showing Ribbon Cartridge ROTATE TO TIGHTEN hmmm RIBBON INSTRUMENTS MPP II 24 E ON line Ready Low BAT P Charge EN e e Page 39 Figure 1 6 Performing Power Up and Self Test TO START PRINTER SELF TEST PRESS AND HOLD FEED THEM PRESS SLCT Page 40 Figure 3 1 Showing Dip switch location EXTECH INSTRUMENTS MSP II 24 ON line LT Ready Low BAT Charge ut NES OT TH Page 41 Figure 2 2 parallel interface timing Parallel Inte
21. indicates the signal is ACTIVE LOW otherwise the signal is ACTIVE HIGH PIN SIGNAL NAME DIRECTION FUNCTION 1 STROBE INPUT DATA READY FROM HOST 2 DATA 1 INPUT DATA BIT 1 FROM HOST 3 DATA 2 INPUT DATA BIT 2 FROM HOST 4 DATA 3 INPUT DATA BIT 3 FROM HOST 5 DATA 4 INPUT DATA BIT 4 FROM HOST 6 DATA 5 INPUT DATA BIT 5 FROM HOST T DATA 6 INPUT DATA BIT 6 FROM HOST 8 DATA 7 INPUT DATA BIT 7 FROM HOST 9 DATA 8 INPUT DATA BIT 8 FROM HOST 10 IACK OUTPUT RECEIVE ACKNOWLEDGE FROM PRINTER 11 BUSY OUTPUT BUSY OUTPUT FROM PRINTER 12 COMMON SIGNAL COMMON 13 4 7K PULL UP TO VCC 14 PAPER FEED INPUT PAPER FEED REQUEST FROM HOST 19 4 7K PULL UP TO VCC 16 NO CONNECTION 17 SELECT IN INPUT SELECT PRINTER FROM HOST OPTIONAL 18 THRU 25 SIGNAL COMMON A minimum of 12 connections are required for the parallel interface operation pin 1 through 12 3 2 1 MPP SERIES PARALLEL INTERFACE OPERATION Pin 1 of the Parallel Interface connector carries the lt STROBE gt signal from the host computer to the printer This signal is held at TTL HIGH level normally and lowered by the computer when the data is ready for the printer The fact that the signal went low is latched by the printer control card and the processor is interrupted to read validate and save the data received Also the BUSY signal Pin 11 is set to indicate that the printer is busy reading data received Upon saving the received data the printer lowers lt ACK gt Pin 10
22. informing the user of the printer status In this section the recognized control characters and the corresponding printer actions are summarized HD 04 04 08 08 09 09 CONTROL ACTION End Of Text printer se is empty that print nds an EOT character when buffer This is used to tell the host er is in idle mode Back Space remove previous character in print buff Horizontal Tab to 5 9 beginning Line Feed Advance to Vertical T Advance 5 Form Feed ce 10 Carriage R Advance to Shift Out l charac Tab I3 17 21 25 29 393 37 or to t of next line beginning of next line ab lines eturn beginning of next line clears double width or extended print ters are printed in double wid 10x7 hift In charact 5x7 Transmitter On Printer to Host to pr accept dat Print on Printer to ers are printed in normal widt Host to receive data inter is ready to a Host Print is on line Transmitted after initial power up or O f printer jam Printer receiver is off inter to 14 20 t to Printer Host transmitter off Return to normal print Host Print Buffer is full Page 15 Chapter 2 Operating Your Compact Printer peer spur Printer to Host printer is off 21 transmitted to host before power dow Cancel and reset printer If
23. inters can print special symbols graphs and characters if operated in the Dot Addressable Graphics mode During 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 For example a model MSP II 24 Column has a total of 24 1x6 dot cells corresponding to its 24 column capacity Each dot in a 1x6 dot cell can be turned ON or OFF by sending specific ASCII characters 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 2 7 1 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 in a dot cell If a bitis set 21 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 2 7 2 GRAPHICS CHARACTER HEX DOT PATTERNS The following table Table 1 outlines the dot patterns and HEX codes for graphics operation Table 1 Dot patterns and HEX codes Page 18
24. lected Cancel Request error string is transmitted if Host cancels Magnetic card read in process Page 31 Sample Interface Program in C include lt stdio h gt MSC Standard I O include lt com h gt II 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 8BITS 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 i status Enable Printer if status comopen COM1 PRINTSPECS CS NODSP I 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 1dV 27 TIMEOUT tn read Track vdspls 4 11 Read track d tn display Page 32 Appendix D Infrared Data Input Option Introduction This appendix summarizes the operating features of the Extech MSP Series printers with built in InfraRed Data Receiver Interface IRD The IRD Interface is designed for reception of IRD ASK format serial data and no interconnecting cables are required for data transfer The IRD data transfer is a one way link in the current version of the printers The printer has circuitry
25. n 2 3 2 2 PRINTER MECHANISM The MSP MPP compact printers are designed using highly reliable high speed alphanumeric impact printer mechanisms The MSP MPP printer mechanisms require only 5VDC for operation and are guarded against possible malfunction by a special protection circuit included on the control card The printer ratings are as follows MSP II MSP Ill Reliability 1 000 000 character lines 1 500 000 character lines Print speed 40 Characters per second 60 Characters per second The MSP MPP III printer mechanisms are built with eight dot driver coils while the MSP MPP II printers have six dot driver coils Both type of mechanisms include gears for fast paper feeding Using a continuous pre inked ribbon cassette part 757131 they can print 5x7 10x14 5x14 or 10X14 dot matrix characters or user defined graphics image Below is a detailed specification on printed character size line spacing and number of total dots for each mechanism used in MSP MPP printer series Mechanism Columns Character size Column spacing Line spacing dots line EX180 24 1 7 W X2 6 H mm 2 06 mm 3 78 mm 144 EX183 42 1 1 W X2 6 H mm 1 29 mm 3 78 mm 252 EX190 24 17 W X2 6 H mm 2 06 mm 3 78 mm 144 EX192 40 1 2W X2 6 H mm 1 35 mm 3 78 mm 240 Page 12 Chapter 2 Operating Your Compact Printer 2 2 1 PRINTER PAPER SPECIFICATION The MSP MPP printers use 2 25 wide 0027 thick and 1 12 diameter rolls of common calculator paper Three t
26. received 2K print buffer is reset and printer placed in initial power default settings Escape Escape character precedes graphics a printer operating modes Refer to escape command section Extended print All characters are printed double high 5x14 Extended print off Normal print ollowing this command E All characters following this command are printed normal size 5x7 2 5 BUILT IN CHARACTER FONTS The MSP MPP printer has three built in user select fonts Below is the list of commands to select these fonts FONT TYPE FONT DESCRIPTION COMMAND STRING Standard ASCII and International character set ESC F 1 IBM PC ASCII and IBM PC character set ESC F 2 Hebrew ASCII and IBM PC character set ESC F 3 The characters are formed using a 5x7 matrix The first 127 entries in the font tables are ASCII characters Characters 0 through 31 are reserved ASCII printer control characters while 32 through to 127 are the 96 ASCII Alpha numeric upper and lower case characters The alternate characters for each font type are from 128 to 255 The printer defaults to Standard font on initial power up or upon receiving the CANCEL character X 18H 24 Page 16 Chapter 2 Operating Your Compact Printer CHARACTER SIZE 2 6 Four character sizes can be selected through the communication interface by sending control characters to the printer Character Siz
27. rface Page 33 Upon timeout of the Power Down Timer the printer starts flashing the red Error LED to warn the operator before turning power off Serial Baud Rate and Parity Since IRD ASK data transfer is serial The proper Baud Rate and parity settings are required to communicate with a Host computer Refer to MSP User s manual to set the desired baud rate and parity Software Interface Overview This section details the software steps required for reliable serial IRD ASK data transfer STEP 1 Select the Printer The Host Selects the MSP printer by sending wake up character to the printer To avoid the loss of data during printer select process the Host pauses for 1 0 seconds before sending additional characters to the printer STEP 2 Initialize the Printer The MSP User s Manual list the printer operating modes such as character set character width and height and graphics mode These are all set to their default state on printer power up To Initialize the Printer the Host sends ASCII serial command string to enable the desired operating mode STEP 3 Transmit the ASCII Data to printer Since the IRD ASK data transfer is in one direction from Host to the printer it is the Host responsibility to be sure the printer s 2000 Byte buffer never overflows The following simple timing technique can be implemented in the IRD ASK transmitter Treat every line to be printed as a complete line independent of the number of c
28. rface Timing Diagram Showing timing relations of DATA BITS 1 THROUGH 8 STROBE BUSY and ACK DATA BITS STROBE 6 5 p ec 1 6 p ec 1 6 nec 1 6 pSec 13 l O0000000000Q00 OFO0000Q00000 25 14 HSPA HPP DB25S DATA CONNECTOR FRONT VIEW SHOWING PIN LOCATIONS NSP RJ11 DATA CONNECTOR FRONT VIEU SHOWING PIN LOCATIONS PNL14 Page 42
29. ront of the ribbon cartridge T Feed paper to insure that the paper passes through exposed ribbon and ribbon cartridge case 1 8 INITIAL POWER UP AND SELF TEST A self test feature is built into your MSP MPP compact printer series To start the self test press the FEED switch during initial power up of the printer see below Once the battery is installed and all the front panel LED indicators are turned off press the OFF or lt SET gt switch to turn off press and hold down the FEED switch then press the lt SLCT gt or ON switch this will automatically start the self test The self test program checks the integrity of the operating program installed the 2048 character print buffer the processor watchdog and the power supervision circuits The printer performs an internal self test and prints the self test findings current printer settings and starts continuous print of the built in printer character fonts To stop the self test process press the FEED switch If no problems are found the following messages are printed TEST PRINT DESCRIPTION 2K BUFFER EXTECH V2 2 C 1994 This line shows the version of the installed Eprom and the size of print buffer INTERFACE SERIAL Type of interface selected SERIAL or PARALLEL MODE 2400 8 N 1 Baud 2400 number of Data bits 8 Parity None Stop bits 1 Note The red Error LED will turned on if any error is encountered during self test If any problem is encoun
30. s MODEL DESCRIPTION PART MSP II 24 Mini Serial Printer 40CPS 24 columns 76716F0 MSP II 42 Mini Serial Printer 40CPS 42 columns 76718F0 MPP II 24 Mini Parallel Printer 40CPS 24 columns 76916F0 MPP II 42 Mini Parallel Printer 40CPS 42 columns 76918F0 MSP III 24 Mini Serial Printer 60CPS 24 columns 76816F0 MSP III 40 Mini Serial Printer 60CPS 40 columns 76818F0 MPP III 24 Mini Parallel Printer 60CPS 24 columns 77016F0 MPP III 40 Mini Parallel Printer 60CPS 40 columns 77018F0 Page 7 Chapter 1 Installation and Initial Power Up 1 2 UNPACKING YOUR PRINTER When you remove the printer from its shipping box make sure it is in good condition The package also includes an AC power adapter rechargeable battery pack paper roll a warranty registration card If any of the components are missing contact Extech or your distributor for assistance Keep the packing material so you can repack the printer for storage or shipment If there is any visible damage to the printer record it on the freight bill have the freight carrier acknowledge it and submit your claim to the carrier Caution Do not install or operate damaged equipment as safety and performance may be affected 1 3 FRONT PANEL LED INDICATORS Five LED lights are used for various printer function indications These LEDs are located on the front panel of the MSP MPP Printer series The functions assigned to these lights are as follows ON Line indicator The gre
31. tered during self test Refer to APPENDIX C for a brief trouble shooting guide Page 11 Chapter 2 Operating Your Compact Printer 2 0 OPERATING YOUR COMPACT PRINTER PART 1 The MSP MPP compact portable printer series is comprised of a microcomputer based printer controller card a printer mechanism module a rechargeable battery pack and a high impact cycolac enclosure 2 1 PRINTER CONTROLLER The MSP Serial printers use the Extech Part Number EX075 circuit board while the MPP Parallel printers use the Extech EX076 circuit board A powerful INTEL micro controller on these highly integrated circuit boards manage s all the features supported by the printer The circuit board incorporates the printer drivers communication interfaces 2K print buffer the front panel switch inputs battery charger and power regulator circuits Upon initial power up the Printer Controller goes through extensive self test procedures It verifies the amount of print buffer installed and restores the default printer settings In the idle mode the printer controller continuously checks the front panel controls the data input interface the print buffer the DC and battery pack voltage levels and processor watchdog supervisor The data sent to the MSP MPP printer series is received by the controller on an interrupt basis The controller validates the data before saving it in the print buffer The power regulator and battery charger features are summarized in sectio
32. terfacing 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 MSP MPP printer The Host Selects the MSP MPP 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 Page 28 Select the Magnetic Card Reader The Host sends ASCII serial command string to enable the Magnetic Card Reader The printer turns on the READY LED if the proper command string is received Receive the ASCII Data Output from printer Once the magnetic card is swiped by the operator the printer transmits in ASCII format Track Data or Error Message A good read automatically turns off the reader The printer turns on the red ERROR LED if an error is encountered ESC M nn 4 CR Read Track1 and Track2 simultaneousl ESC M nn 5 CR Read Track2 and Track3 simultaneously ESC C Cancel Read Turns off the READY LED Table 2 nn ASCII 01 through 99 seconds Recognized Magnetic Card command strings Six Magnetic Card command strings are recognized by the printer these commands are summarized in Table 2 The command syntax is as follows ESC M nn Track CR 1 2 3 1 Turn On the Card Reader The first two characters ESC and M will turn on the Card R
33. ters The lt RTS gt signal from the Host pin 4 is used to enable the printer the printer raises CTS pin 5 when it is ready to accept data The printer lowers CTS line when either the Print Buffer has less than 64 unused locations or when TEST OR FEED is selected The lt RTS gt signal is monitored during data transmission from the Printer to Host The printer transmits data to Host only if lt RTS gt is high 3 1 3 MSP SERIES XON XOFF PROTOCOL The Printer transmits XON when it is ready to accept data and XOFF for conditions A and B listed above Under XON XOFF protocol the data flow out of the printer s Serial Port is halted on receipt of XOFF from Host and resumed on receipt of XON 3 1 4 MSP SERIES RS232C CONNECTIONS The RS232C Interface signals for the MSP printer series are terminated on a DB25S female connector located at the front of the printer Six connections are provided from the Serial Interface to the host computer for proper operation of this option A minimum of two connections are required for operation RXD pin2 and Common pin3 The table below lists the Serial Interface signals and pinouts on the DB25S female connector E s A FUNCTIONAL DESCRIPTION Protecti COH jus INPUT Request to send from Host INPUT Clear to send from Printer OUTPUT Logic common DE from Printer OUTPUT Page 21 3 1 5 MSP SERIES O
34. to receive IRD ASK data but there is no circuit allowing IRD to be transmitted back For reliable serial data transfer software timing must be implemented in the IRD ASK transmitter It is the transmitters responsibility to be sure the printer s 2000 Byte buffer never overflows IRD ASK Receiver Specification The IRD ASK receiver consists of photodiode IR detector automatic gain control amplifier and 500KHZ bandpass filter The amplifier prevents saturation of the receiver if strong IR signal is applied while the bandpass filter rejects any IR signal without the 500KHZ carrier signal The Operating Characteristics of IR Receiver are summarized in TABLE 1 Transmission Wavelength 900 to 1 050 nanometers Modulation Frequency 500KHZ x 50 Modulation Process Amplitude Shift Key ASK 1 meter 1 meter 1 1 Data Rate 1200 9 600 Bits per second DIP switch select baud rate and parity Table 1 IR Receiver Operating Characteristic Printer Power up through IRD ASK Interface The MSP printer can be powered up by transmitting a single character To avoid the loss of data during Logic Switching pause for 1 0 seconds before sending additional characters to the printer The MSP printers have a built in 30 second Power Down Timer The timer is automatically restarted under any one of the following conditions If side panel ON FEED or lt ADVN gt switch is pressed If a character is received via IRD ASK data inte
35. turn printer power on The green lt ON Line gt LED is illuminated if printer is selected FEED The FEED switch is used to advance the paper by one line SET or OFF The lt SET gt or OFF switch is used to turn the printer OFF The Error LED starts flashing when set switch is pressed lt ADVN gt Or lt gt The lt ADVN gt or lt gt switch is used to advance paper by one line 1 5 DATA CONNECTOR The Data Connector of the MSP MPP printer is located at the front of the printer Figure 1 0 shows the front panel of the MSP MPP Printer series The serial and parallel input output signals of the MSP MPP compact printers are terminated on a 25 pin DB25S female connector Pin assignments and technical specifications for each type of interface are listed in Chapter 3 1 6 POWER INPUT The MSP MPP compact printers receive DC power via Extech rechargeable battery pack or through a two 2 conductor Power Input Connector located on the right side of the printer NOTE The printer must be operated with the battery installed when the Power Adapter is used Failure to do so will invalidate the warranty 1 6 1 AC POWER ADAPTER A wall mount UL listed power adapter is provided to operate the printer The AC Power Adapter plugs directly into an AC power outlet while it s mating DC plug on a 6 ft extension connects to the printer The center pin is the positive DC input while the body of the connector is logic common or
36. y to indicate the start of the power down process This process will last about 5 seconds 2 3 2 AUTO POWER DOWN TIMER The MSP MPP printers have a built in 30 second Power Down Timer The timer is automatically restarted under any one of the following conditions If any of lt SLCT gt or ON FEED or lt ADVN gt or lt OFF gt switches are pressed If a character is received via data interface Upon timeout of the Power Down Timer the printer starts flashing the red Error LED to worn the operator and transmits the power down command string to the host The power down timer may be disabled by activating the RTS or lt SELECT gt signals on the interface connector Page 13 Chapter 2 Operating Your Compact Printer 2 3 3 POWER UP VIA DATA INTERFACE The MSP MPP printer can be powered up by transmitting a single character or activating lt RTS gt or lt SELECT gt signals on the interface connector To avoid the loss of data during Logic Switching the following software features must be implemented in the Host program After sending a wake up character or activating the RTS or SELECT signals Pause for 1 6 seconds before sending additional characters to the printer Verify the status of CTS or BUSY before sending additional characters Wait for the XON character from the printer The printer turns off power automatically 30 seconds after the last character received or de activation of
37. ypes of paper may be used in the printer Single ply roll Two ply pressure sensitive roll Label stock Custom Kiss cut with perforation Below is the specification for each type of the paper PAPER TYPE PART WIDTH THICKNESS LENGTH Single Ply 757058 5 rolls 2 25 57 5 mm 0027 08 mm 25 6 3m Two Ply 757135 5 rolls 2 25 57 5 mm 0035 09 mm 16 40m Label stock Custom made 2 25 57 5 mm label 066 mm custom lengths Kiss cut w perf carrier 058 mm 2 3 PRINTER POWER Printer power battery locations and characteristics were described in section 1 6 This section reviews the printer power and battery operation and specification Like any battery power device the battery pack supplied with the MSP MPP printers have finite life The maximum usage between recharge will be obtained when the following simple rules are followed Turn off printer when not in use Recharge until the charge LED turns off indicating full charge Use Extech power adapter to recharge the battery pack Use Logic Switching capacity in your software to facilitate the auto turn on or turn off of the printer 2 3 1 MANUAL POWER UP AND POWER DOWN The lt SLCT gt or ON membrane switch is used to turn the printer ON manually The lt ON Line gt LED indicator is turned ON when lt SLCT gt or ON switch is pressed Press the SET or lt OFF gt switch to turn off the printer power The red Error LED starts flashing momentaril
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