Compuprint 914N User Manual Download Page 34

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General Overview

The operator panel enables you to perform many of the printer functions

including pitch, font and printer setup selection. The operator panel is located in
the front side of the printer and appears as follows:

The operator panel consists of :

nine indicators

report basic information about the printer’s condition The indicators

light up green

seven function keys

allow you to change the operating state of the printer

Chapter 3

3.2

A78401740-001

Summary of Contents for 914N

Page 1: ...914N User Manual...

Page 2: ......

Page 3: ...Compuprint 914N...

Page 4: ......

Page 5: ...s with original packaging identified by its holographic label In this way a proper use of the printer at quality level unreliability stated in the product characteristics can be assured All typical us...

Page 6: ...receiver to outlets on different circuits Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved by the party responsible for compliance coul...

Page 7: ...apter 4 provides maintenance information and error solutions Chapter 5 describes each option of your printer Appendix A gives a detailed explanation of each command supported by this printer Appendix...

Page 8: ...Documents 2 9 Self Test Printing 2 9 Carrier Movement Test 2 10 Host Computer Connection 2 11 Choosing The Connection 2 11 Parallel Connection 2 11 Serial Connection 2 11 Hexadecimal Printing 2 12 Op...

Page 9: ...cking 5 2 Installation 5 3 Paper Specifications 5 5 Paper Loading 5 6 ASF Removal 5 8 Commands A Introduction A 2 General Overview A 2 Command Summary A 2 Commands Description A 6 Tables B Character S...

Page 10: ......

Page 11: ...parts The printer specification table will give you a technical description of the printer s characteristics This chapter concludes by informing you about software driver selection Getting To Know You...

Page 12: ...Getting To Know Your Printer Chapter 1 1 2 A78401740 001...

Page 13: ...g mode High resolution graphics printing 360 dpi H x 360 dpi V IBM Proprinter XL24 XL24E XL24AGM and EPSON LQ850 1050 emulations Easy print function selection typestyles and pitches and printer config...

Page 14: ...location can be chosen Check that everything is present and with no shipping damage Notify any damage to your supplier 1 Take out the accessories from the box 2 Identify the printer accessories Tract...

Page 15: ...Printers Parts Front View Sheet Guide Platen Knob Gap Set Lever Carrier Cover Operator Panel Power Switch INTRODUCTION Chapter 1 A78401740 001 1 5...

Page 16: ...Rear View Interface Connector Friction Release Lever Rear Cover Chapter 1 1 6 A78401740 001...

Page 17: ...1 cpi 180 cps at 20 cpi Letter Quality 60 cps at 10 cpi 72 cps at 12 cpi 90 cps at 15 cpi 103 cps at 17 1 cpi 120 cps at 20 cpi Number of Columns 80 at 10 cpi 96 at 12 cpi 120 at 15 cpi 137 at 17 1 c...

Page 18: ...01 to 419 mm 4 to 16 5 inches weight 60 to 80 g m2 40 to 60 g m2 length 127 to 304 mm 5 to 12 inches Tractor Feed Mode width 101 to 279 mm 4 to 11 inches weight 60 to 90 g m2 single 40 to 60 g m2 mult...

Page 19: ...re 20 to 55 C Relative Humidity 15 to 80 non condensing Operating Enviroment Temperature 10 to 40 C Relative Humidity 20 to 80 non condensing Standard Compliance UL 1950 D3 CSA C22 2 n 950 D3 FCC part...

Page 20: ...If your printer name is not inserted in the list of the supported printers select one of the printers shown below Printer Emulation Printer Name EPSON EPSON LQ 850 1050 PROPRINTER IBM Proprinter XL24...

Page 21: ...functioning correctly Finally you can connect the printer to the host computer Choosing a Suitable Location 2 2 Printer Assembly 2 3 Paper Stand Installation 2 3 Ribbon Cartridge Installation 2 3 Trac...

Page 22: ...me heat cold dust or humidity see Printer Specifications in chapter 1 You need an AC power outlet compatible with the plug of the printer s power cord The voltage of the outlet must match the voltage...

Page 23: ...turned OFF Paper Stand Installation 1 Locate the paper stand among the accessories 2 Install the paper stand in the printer Ribbon Cartridge Installation 1 Locate the ribbon cartridge among the access...

Page 24: ...n this chapter 3 Before installing the ribbon cartridge turn the ribbon winding knob in the direction of the arrow to take up slack in the ribbon 4 Position the ribbon cartridge on the carriage and pu...

Page 25: ...e paper thickness you are using See Adjusting the Gap Between the Print Head and Platen described in this chapter Tractor Unit Installation Find the tractor unit among the accessories Tractor Unit Ins...

Page 26: ...r unit 2 Install the tractor unit in the rear of the printer 3 Press the tractor unit downward until it clicks Turn the platen knob to ensurethatthetractorpins also rotate 4 The push tractor unit can...

Page 27: ...ears of the tractor unit facing down Move the left tractor to the leftmost position before installing the tractor unit 3 Press the tractor unit downward until it clicks Turn the platen knob to ensure...

Page 28: ...d at the right front side of the printer When the gap set lever is moved forward the gap becomes wider When it is moved backward the gap becomes narrower Before printing select the gap set lever posit...

Page 29: ...ntout allows you to check the print quality and printer operations before connecting to the host computer Proceed as follows 1 Load the paper into the printer 2 Turn the power switch ON while pressing...

Page 30: ...vement Proceed as follows 1 Unload the paper from the printer 2 Turn the power switch ON while pressing and holding the PITCH key The carrier starts to move from one end of the carrier shaft to the ot...

Page 31: ...available as an option The interface connectors are located on the left front side of the printer Parallel Connection Make sure that the printer and the host computer are turned OFF before connecting...

Page 32: ...data to verify the data received from the host computer Proceed as follows 1 Load the paper into the printer 2 Turn the power switch ON while pressing and holding the LOAD PARK key 3 The Hex Dump pri...

Page 33: ...hin the Printer Setup 3 10 Function Selection Mode 3 10 Value Selection Mode 3 10 Leaving the Printer Setup 3 10 Setup Listing Printing 3 20 Paper Handling 3 23 Paper Specifications 3 23 Setting The F...

Page 34: ...ection The operator panel is located in the front side of the printer and appears as follows The operator panel consists of u nine indicators report basic information about the printer s condition The...

Page 35: ...on line status Unlit when it is in the off line status Blinks when an error has occurred These indicators indicate the character pitch currently selected by the combination of them as shown below off...

Page 36: ...These indicators show the current font selected by the combination of them off on Font Font Indicator s Draft Roman Sans Serif Courier Prestige Script Gothic Bold Chapter 3 3 4 A78401740 001...

Page 37: ...ine status Pressing this key together with the LINE FEED key u when the printer is offline the paper is moved upwards by increments of 1 180 of inch u when the printer is online it is possible to move...

Page 38: ...ine for the first three lines and then feeds the paper continuously from the fourth line Pressing this key together with the ON LINE key P u when the printer is offline the paper is moved upwards by i...

Page 39: ...the values Normal Mode Pressing this key loads the paper if the printer is in the paper empty condition If the paper is loaded in the printer pressing continuously this key ejects the paper Setup Mode...

Page 40: ...unds when the BUZZER function is set to VALID see The Printer Setup described before See the following table Sound Cause 1 short beep A BELL command is received 4 melody beeps A paper empty error cond...

Page 41: ...02 SELECT USER 01 USER 1 03 CHANGE USER 01 USER 1 04 EMULATION 01 IBM 05 FORM LENGTH 12 11 INCHES 06 LINE SPACING 01 1 6 INCHES 07 LINE LENGTH 03 80 CHARACTERS 08 CHARACTER PITCH 01 10 CPI 09 FONT STY...

Page 42: ...Mode Value Selection Mode Press the LOAD PARK key to enter the Value Selection Mode the displayed function value blinks Press the or keys to scan forwards or backwards the values When you wish to con...

Page 43: ...racter u Print Buffer Selection u ASF Selections u Ribbon Selection u Auto Tear Off function u Fanfold Paper Initialization u Buzzer u Character Sets u Graphics Mode u Interfaces Selection u SELECTIN...

Page 44: ...en turning on the printer 01 1 USER 1 02 2 USER 2 03 3 USER 3 Function 03 CHANGE USER Specifies which user setting to change 01 1 USER 1 02 2 USER 2 03 3 USER 3 Function 04 EMULATION Selects IBM or EP...

Page 45: ...1 8 INCHES Function 07 LINE LENGTH Selects the default print margin in characters 01 20 CHARACTERS 02 40 CHARACTERS 03 80 CHARACTERS Function 08 CHARACTER PITCH Selects the default character pitch in...

Page 46: ...g the paper by the LOAD PARK key 01 ON LINE 02 OFF LINE Function 13 PRINT DIRECTION 01 BI DIRECTION All Bi Direction All character printing bi direction graphics printing bi direction 02 BI DIRECTION...

Page 47: ...input buffer when the CAN code is received 02 INVALID the CAN code is ignored Function 18 PAPER EMPTY SENSOR Sets the paper empty sensor When the paper empty sensor is OFF you will not be warned that...

Page 48: ...ID 02 VALID 1 SEC 03 VALID 3 SEC 04 VALID 15 SEC Function 25 TEAR OFF POSITION Specifies a tear off condition 01 TOF POSITION when the paper is placed at the TOF position a tear off is carried out 02...

Page 49: ...id if the GRA 1 is selected in the CHARACTER TABLE function 01 USA 437 02 MULTILINGUAL 850 03 PORTUGAL 860 04 FRENCH CANADIAN 863 05 NORDIC 865 Function 30 IBM AGM MODE Specifies the graphics mode in...

Page 50: ...nction 50 INTERFACE Selects the parallel or serial interface 01 PARALLEL 02 SERIAL Function 51 SELECT IN SIGNAL Enables the function of the SELECT IN pin in the parallel interface EPSON mode only 01 V...

Page 51: ...cts the parity for the serial interface 01 NONE 02 ODD PARITY 03 EVEN PARITY 04 IGNORE Function 57 STOP BIT LENGTH Selects the number of stop bits for the serial interface 01 1 BITS 02 2 BITS Function...

Page 52: ...ngs on the Setup listing proceed as follows u Turn the printer Off and then On while holding down both th ONLINE and EXIT MENU keys u The printer prints the current listing and then returns to the Nor...

Page 53: ...OFF 12 LOAD OFFLINE OFFLINE OFFLINE 13 DIRECT BI C BI C BI C 14 BUF FUL LF LF LF 15 CR CODE CR CR CR 16 LF CODE LF LF CR LF CR 17 CAN VALID VALID VALID 18 PE DETECT ON ON ON 19 SKIP INVALID INVALID IN...

Page 54: ...ARALLEL PARALLEL PARALLEL 51 SLCT IN INVAL INVAL INVAL 52 AUTO XT INVAL INVAL INVAL 53 PROT R B R B R B 54 BAUD 9600BPS 9600BPS 9600BPS 55 DATA BITS 8 8 8 56 PARITY NONE NONE NONE 57 STOP BIT 1 1 1 58...

Page 55: ...ltipa rt One time carbon sheet 50 g m2 1 2 copies 50 60 g m2 1 1 copies Chemical Carbon 34 50 g m2 1 3 copies 40 50 g m2 1 2 copies 50 60 g m2 1 1 copies Carbon backed paper 40 50 g m2 1 2 copies 50 6...

Page 56: ...tor Feed Mode Push tractor Pull tractor rear and bottom path Loading Single Sheets Friction Feed Mode Single sheets are inserted from the top of the printer Top insertion You can load single sheets wh...

Page 57: ...o feed the paper Inserting Fanfold Paper Tractor Feed Mode The use of the tractor unit is recommended when printing on fanfold paper This printer offers two tractor unit positions two paper feeding mo...

Page 58: ...Paper Paths Tractor Pull Tractor Bottom Path Pull Tractor Bottom Path Rear Push Tractor Pull Tractor Rear Path Chapter 3 3 26 A78401740 001...

Page 59: ...the left tractor so that the printing starts from your desired print start position Move the tractor set lever of the left tractor rearward to lock the tractor Move the tractor set lever of the right...

Page 60: ...y slack in the paper Move the tractor set lever of the right tractor to lock the tractor 5 Rotate the platen knob to feed the paper forward slightly as shown below When loading chemical multicopy fanf...

Page 61: ...ttom of the printer Loading Paper From The Rear Paper Path 1 Move the tractor set lever of the left tractor forward to unlock the tractor Move the left tractor so that the printing starts from your de...

Page 62: ...the tractor pins of the left and the right tractor respectively F Make sure that the paper is correctly aligned with the left and right tractors 3 Close the left and right tractor covers Slide the rig...

Page 63: ...the left and right tractor covers Move the gap set lever to position 6 Insert the paper into the printer from the slot at the bottom of the printer Load the paper and align the paper holes with the tr...

Page 64: ...tion according to the thickness of the envelope to be loaded i e if the thickness of the envelope is 0 35 mm 0 014 inches set the gap set lever to Position 5 or 6 To load the envelopes proceed as foll...

Page 65: ...f form position F The Auto Paper Loading function can be only available in Push tractor mode Single Sheet The Single Sheet can be loaded into the printer automatically when the FORM FEED or LOAD PARK...

Page 66: ...d the following conditions are performed u Printer in Off line status u Paper empty condition u The friction release lever is set at the Tractor position F If the Auto Paper Loading fails a paper jam...

Page 67: ...ant to load single sheets do not remove the fanfold paper but park it Make sure that the printer is in Off line status You can perform the paper switching as follows 1 Tear the printed fanfold paper a...

Page 68: ...ter feeds the paper so that the last printed line will be fed to the carriage cover position when no further data is received and no key is pressed for a certain period that it is selected by the AUTO...

Page 69: ...osition by pressing both the ON LINE and the LINE FEED keys or the ON LINE and the FORM FEED keys u The paper is fed while the above keys are pressed When tear off down is executed automatically the n...

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Page 71: ...rmation about printer maintenance including cleaning operations and problem solving tips Cleaning The Printer 4 2 Replacing The Ribbon Cartridge 4 2 Error Handling 4 4 Error Message Description 4 4 MA...

Page 72: ...t of the printer Do not use an abrasive cloth alcohol paint thinner or similar agents because they may cause discoloration and scratching Be especially careful not to damage the electronic and mechani...

Page 73: ...mum distance between the print head and the platen for smooth removal 3 Remove the ribbon cartridge by pressing the two plastic clips on both sides inward of the ribbon cartridge Return the carriage c...

Page 74: ...ed Solution Press the ON LINE key to make the printer on line HOME POSITION ERROR at Power On Indication A home position error has occurred Solution Try to turn the power switch OFF and then ON again...

Page 75: ...ERROR Indication The friction release lever has been moved while the printer was powered on and the paper was loaded Solution Return the friction release lever to its original position and press the...

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Page 77: ...llation of the available printer option the Automatic Sheet Feeder ASF Automatic Sheet Feeder 5 2 Description 5 2 Unpacking 5 2 Installation 5 3 Paper Specifications 5 5 Paper Loading 5 5 ASF Removal...

Page 78: ...vely simple and with proper installation and care it will provide long and trouble free service The single sheets are cointained into an adjustable paper feed bin and are fed by the feeder Unpacking O...

Page 79: ...perator panel select the INSTALLED value in the ASF function see The Printer Setup in Chapter 3 1 Remove the rear cover 2 From the rear of the printer insert the tabs on both sidesoftheASFinto the gro...

Page 80: ...f the ASF Unit are securely caught by the side frame 4 Move the friction release lever to the Friction position 5 Install the two single sheet stands anywherebetweenthe left and right paper guides Cha...

Page 81: ...ely affected by these conditions Number of bin 1 Bin Capacity Up to 20 sheets Paper Format A4 Letter and Legal Paper Size Length min 139 7 5 5 inches max 356 mm 14 inches Width min 139 7 mm 5 5 inches...

Page 82: ...executed then follow the sequence 1 Push the left and right paper guides downward all the way until they stop 2 Move the left paper guides so that the printing starts from your desired print start pos...

Page 83: ...left hopper Move the right paper guide until it aligns with the right edge of the paper Make sure that the paper is placed straight in the ASF 4 Move the left and right levers forward 5 Install the pa...

Page 84: ...oaded If you wish to load additional paper first remove all paper from the ASF then load again paper correctly ASF Removal If you want to remove the ASF from the printer press both ends of the ASF in...

Page 85: ...troduction D 2 General Overview D 2 Command Summary D 2 Command Description D 7 Setting Form Length D 7 Setting Margins D 8 Setting Spacings D 9 Setting Tabulations D 12 Paper Movements D 18 Character...

Page 86: ...Sets the right margin only EPSON mode A 7 ESC X n m Sets left and right margins only IBM mode A 7 ESC 4 Sets top of form only IBM mode A 7 ESC P Sets horizontal spacing to 10 or 17 cpi only EPSON mode...

Page 87: ...cancels overscore printing only IBM mode A 16 ESC q n Select character style only EPSON mode A 16 ESC n Select printing mode only EPSON mode A 16 ESC Select the score line only EPSON mode A 17 LF Adv...

Page 88: ...Selects printing mode only IBM mode A 29 ESC n m Prints characters from IBM PC Character Set only IBM mode A 30 ESC n Prints one character from IBM PC Character Set only IBM mode A 30 ESC U n Sets and...

Page 89: ...Commands Appendix A A78401740 001 A 5...

Page 90: ...d sets the form length to the number of inches specified by n The current position of the paper is assumed as top of form ESC N n Set bottom of form skip over perforation 1B 4E n 27 78 n 1 n 255 This...

Page 91: ...s a range of values The right margin must be greater than the left margin ESC X n m Sets left and right margins only IBM mode 1B 58 n m 27 88 n m 0 n 255 0 m 255 This command sets the left and right m...

Page 92: ...nd ESC Sets horizontal spacing to 12 cpi only IBM mode 1B 3A 27 58 Terminator code ESC g Sets horizontal spacing to 15 cpi only EPSON mode 1B 67 27 103 Terminator code Compressed printing cannot be co...

Page 93: ...n 255 Terminator code If n odd number proportional printing is set If n even number proportional printing is reset ESC A n Sets variable vertical spacing 1B 41 n 27 65 n 0 n 85 This command changes th...

Page 94: ...en sent the vertical spacing is set to n 216 inch In IBM Proprinter XL24 AGM and EPSON LQ emulations the vertical spacing is set to n 180 inch ESC n Sets vertical spacing to n 360 inch only EPSON mode...

Page 95: ...d so on in the 0 VFU channel The tab stops are memorized as physical positions ESC B NUL Cancels all current vertical tab stops 1B 42 00 27 66 0 ESC b m n1 NUL Sets vertical tab stop in one of the 8 V...

Page 96: ...nnels have been selected the printer assumes as default the channel 0 This code will be executed like a FF code if the tab stop follows the bottom of form position or if the current position is beyond...

Page 97: ...nting is set If n 0 double width printing is reset ESC l h m1 m4 Changes height and width of characters and modifies vertical spacing appropriately only IBM mode 1B 5B 40 l h m1 m4 27 91 64 l h m1 m4...

Page 98: ...rded the m4 low nibble specifies the width multiplier m4 Selection 00 No change 01 Standard character width 02 Double character width ESC w n Sets or cancels double high printing only EPSON mode 1B 77...

Page 99: ...s set If n 0 superscript printing is set ESC T Cancels subscript or superscript printing 1B 54 27 84 ESC 4 Sets italics printing only EPSON mode 1B 34 27 52 ESC 5 Cancels italics printing only EPSON m...

Page 100: ...255 This command is valid for all characters See the following table n Character Style 0 Normal 1 Outline 2 Shadow 3 Outline with Shadow ESC n Select printing mode only EPSON mode 1B 21 n 27 33 n 0 n...

Page 101: ...s the style of the score d2 Style 0 Cancel the score line selected by d1 1 Single continuous line 2 Double continuous line 5 Single broken line 65 Double broken line Paper Movements LF Advances paper...

Page 102: ...216 or n 180 inch 1B 4A n 27 74 n 1 n 255 Terminator code In IBM Proprinter XL24 mode the paper advances n 216 or n 180 inch according to ESC setting otherwise the paper will be advanced n 216 inch Th...

Page 103: ...o 2 this code remaps DLL characters from position 0 127 to position 128 255 ESC R n Selects national character set only EPSON mode 1B 52 n 27 82 n 0 n 12 This code causes subsequent data to be printed...

Page 104: ...n1 n6 27 91 84 n1 n6 This sequence allows the printer to change the ID of the current code page If an unavailable code page is specified this command is ignored Automatic Sheet Feeder Commands ESC EM...

Page 105: ...t per inch The parameter values should be calculated as follows n1 remainder of the number of columns divided by 256 n2 integer result of the previous division p1 sum of the values corresponding to th...

Page 106: ...6 Terminator code See ESC K description ESC Z n1 n2 p1 px Prints quadruple density dot graphics 240 virtual dpi 1B 5A n1 n2 p1 p2 px 27 90 n1 n2 p1 p2 px 0 n1 255 0 n2 12 Terminator code See ESC K des...

Page 107: ...40 Hex density 360 virtual ESC g l h m n1 nk Selects 8 or 24 needle dot graphics mode only IBM mode 1B 5B 67 l h m n1 nk 27 91 103 l h m n1 nk This command selects dot graphics in 8 or 24 needle conf...

Page 108: ...e graphics mode to another The parameter n specifies a character K L Y or Z which is reassigned to specific mode m 0 6 32 33 38 40 Setting Down line Loading ESC NUL n NUL Copies the character generato...

Page 109: ...space around it The space on the left of the character in dots column is specified by w0 while the space on the right of the character is specified by w2 The w1 parameter specifies the number of colum...

Page 110: ...art the DLL setting procedure proceed as follows copy the character generator in ROM into RAM select the DLL generator 256 entries of 9 bytes compose the look up table of a character generator One ent...

Page 111: ...cter Every bit is associated with a dot column with the bit 7 of byte 5 associated with the leftmost column The bit is set to 1 if the column is equal to the preceeding one otherwise it is set to 0 If...

Page 112: ...ore the CAN code Commands except SO and ESC SO are not affected DEL Deletes last character sent only EPSON mode 7F 127 This command causes the printer to delete the last character sent to the printer...

Page 113: ...goes low and the characters between DC3 and DC1 codes are discarded If the SELECTIN signal is low or if you selected SLCT IN VALID set in the Printer Setup the DC3 code is ignored ESC Q 35 36 Deselec...

Page 114: ...s that subsequent characters are to come from the table of all printable characters IBM PC Character Set The n parameter specifies the remainder of the number of characters that you want to print divi...

Page 115: ...to be printed from left to right monodirectionally for one line only It is cancelled by a CR ESC Re initializes the printer only EPSON mode 1B 40 27 64 This sequence causes the printer to be initializ...

Page 116: ...t is not cleared 1 Printer initialized to user default setting Download font is cleared 4 Printer initialized to factory default setting Download font is not cleared FE Printer performs as value 1 Ini...

Page 117: ...his byte Ignore this byte 6 Switch from USAto Multilingual font Initialize download font area to USA font Initialize download font area to Multilingual font 5 Reserved 4 Reserved 3 Reserved 2 Reserved...

Page 118: ...n m 0 n m 255 This command sets the relative dot position so that the print head is moved to a dot position specified relative to its current position The unit of the dot is 1 120 inch The Right Side...

Page 119: ...180 h 0 m4 normally equal to 216 This command sets the value of the vertical units h 256 l is the number of bytes for this command You can set the vertical units to 1 180 inch or 1 216 inch according...

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Page 121: ...ecimal conversion table Character Sets B 2 Character Set 1 CS1 B 2 Character Set 2 CS2 B 3 IBM PC Character Set All Printable Character Table B 4 IBM National Variations B 5 EPSON National Variations...

Page 122: ...Character Sets Character Set 1 CS1 Appendix B B 2 A78401740 001...

Page 123: ...Character Set 2 CS2 Appendix B A78401740 001 B 3...

Page 124: ...IBM PC Character Set All Printable Character Table Appendix B B 4 A78401740 001...

Page 125: ...IBM National Variations USA CP 437 Appendix B A78401740 001 B 5...

Page 126: ...Multilingual CP 850 Appendix B B 6 A78401740 001...

Page 127: ...Portugal CP 860 Appendix B A78401740 001 B 7...

Page 128: ...Canada France CP 863 Appendix B B 8 A78401740 001...

Page 129: ...Denmark Norway CP 865 Appendix B A78401740 001 B 9...

Page 130: ...EPSON National Variations Appendix B B 10 A78401740 001...

Page 131: ...245 06 6 22 38 54 70 86 102 118 134 150 166 182 198 214 230 246 07 7 23 39 55 71 87 103 119 135 151 167 183 199 215 231 247 08 8 24 40 56 72 88 104 120 136 152 168 184 200 216 232 248 09 9 25 41 57 73...

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Page 133: ...Interface This appendix provides technical information for the parallel and serial interfaces Parallel Interface C 2 Serial Interface C 5 Appendix C A78401740 001 C 1...

Page 134: ...The interface pin assignment is described in the following table Signal Name Pin Number Source Description Signal Wire Return Wire STROBE 1 19 HOST Clock signal which controls data transmission DATA...

Page 135: ...ve LOW level EPSON mode only Indicates an automatic LF after a CR NC 15 Not used GND 16 33 Common ground signal CHASSIS GROUND 17 Frame ground NC 18 Not used GND 30 Common ground signal INIT 31 30 HOS...

Page 136: ...umber Source Description Signal Wire Return Wire SELECTIN 36 HOST Active HIGH level Indicates that it is possible the data entry control Internal set is determined by the SLCT IN function Appendix C C...

Page 137: ...1 STOP BIT The least significant bit of the data bits is sent first after the start bit The number of data bits is selected by the Printer Setup procedure see DATA BITS function in The parity bit whe...

Page 138: ...printer malfunction DTR 20 PRT PRT Normally HIGH ON With hardware data flow selected This table lists the RS 232 C interface signal XON XOFF System Signal Name Pin Number Source Local l onnect R e m o...

Page 139: ...transfer GND 7 This pin is the common ground signal DCD 8 HOST DATA SET Active HIGH ON level signal Indicates that the host is transmitting or the data set is receiving the Data Carrier signal ERROR 1...

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Page 141: ...Glossary This appendix is a glossary that contains explanations of unfamiliar terms regarding the printer Glossario D 2 Appendix D A78401740 001 D 1...

Page 142: ...digit A bit represents 0 or 1 ON or OFF and it is the smallest unit of digital information used by the computer or any peripheral device BPS Abbreviation for bit per second BUFFER An area of memory in...

Page 143: ...nt to the device printer DPI Dots per inch This is the unit of measurement used for dot graphics DRAFT A type of high speed printing EMPHASIZED Printing attribute The character is printed twice with t...

Page 144: ...nter like the computer has a memory When you want to print a file the information will be quickly sent to the printer s memory and from there it will be printed onto paper NEEDLES They are an essentia...

Page 145: ...igh due to the increased number of dots which make up a character As a result the printing speed is reduced RAM Random Access Memory ROM Read Only Memory SINGLE SHEET This is the type of paper that mu...

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