Epson P-2500 Dokumentacja

Chapter 1Setting Up the PrinterSetting up your LQ-2500 printer is easy Simply follow the steps inthis chapter.1 Unpacking the PrinterAs you unpack the

ASCIIDec. Hex. DescriptionPageESC75537Esc:583AESC <603cEsc =613DE-SC>623EESC?633FESC @6440ESCA6541ESCB6642Escc6743Esc co67 43ESC D68 44EXE69 45E

ASCIIDec. Hex. DescriptionPageESCl1086CSet Left Margin...A-17ECp11270Turn Proportional Mode On/Off...A-24ESCr11472Select Printin

Epson ESC/P CommandsThe following section lists and describes all the Epson IX/Pcommands.Printer OperationInitializationEC@InitiaIize PrinterFormat:AS

DC3Format:ASCII code:DC3Decimal:19Hexadecimal: 13Deselect PrinterComments:Puts the printer into the deselected state until select printer code(DCl) is

Printing directionESCSelect Unidirectional Mode (one line)Format:ASCII code: ESC <.Decimal:27 60Hexadecimal: 1B 3CComments:Printing is normally bid

ESC EMTurn Automatic Sheet Feed Mode On/OffFormat:ASCII code: ESC EM nDecimal:27 25 nHexadecimal:1B. 19 nComments:The following values can be used for

Esc>Format:ASCII code: ESC >Decimal:27 62Hexadecimal: 1B 3EComments:Sets the MSB bit of all incoming data as 1.Set MSB to 1ESC”Cancel MSB Contro

Data ControlCRCarriage ReturnFormat:ASCII code: CRDecimal:13Hexadecimal: ODComments:Prints the data in the buffer and returns the print position to th

ESCcSet Page Length in LinesFormat:ASCII code:ESC C RDecimal:27 67 nHexadecimal: 1B 43 nComments:Sets the page length to n lines in the current line s

Esc0Format:ASCII code: ESC 0Decimal:27 79Hexadecimal: 1B 4FCancel Skip-over-perforationComments:Cancels the skip-over-perforation set by ESC N. Overri

Installing the paper feed knobInstall the paper feed knob on the right side of the printer, as shownin Figure 1-2. tine up the flat side of the hole i

ESC2Format:ASCII code: ESC 2Decimal:27 50Hexadecimal: 1B 32Select l/6-inch Line SpacingComments:Sets the line spacing to l/6 of an inch for subsequent

ESCJFormat:Perform n/ 180-4nch Line FeedASCII code: ESC J nDecimal:27 74 nHexadecimal: 1B 4A nComments:Advances the paper n/180 of an inch. The value

ESCbFormat:Set Vertical Tabs in ChannelsASCII code: ESC b c nl n2 ... ... ... 0Decimal:27 98 c nl n2 ... ... ... 0Hexadecimal: 1B 62 c nl n2 ... ... .

ESC Q Format:Set Right MarginASCII code: ESC Q nDecimal:27 81 nHexadecimal: 1B 51 nComments:Sets the right margin to n columns in the current pitch. T

ESC $Set Absolute Print PositionFormat:ASCII code: ESC $ nl n2Decimal:27 36 nl n2Hexadecimal: 1B 24 nl n2Comments:This sequence specifies the distance

Horizontal tabbingHTTab HorizontallyFormat:ASCII code: HTDecimal: 9Hexadecimal: 09Comments:Advances the print position to the next horizontal tab sett

Overall Printing StyleESC xSelect Letter Quality or DraftFormat:ASCII code: ESCnDecimal:27120 nHexadecimal: 1B 78 nComments:The following values can b

ESC rFormat:ASCII code: ESCnDecimal:27114 nHexadecimal: IB 72 nSelect Printing ColorComments:‘The variable n selects the printing color according to

Print Size and Character WidthESC PFormat:ASCII code: ESCDecimal:27 80Hexadecimal: IB 50Select 10 Pitch (Pica)Comments:Selects IO pitch (10 characters

ESCPTurn Proportional Mode On/OffFormat:ASCII code: ESCnDecimal:27112 nHexadecimal: 1B 70 nComments:The following values can be used for n:1: Mode is

When you are finished unpacking, put the packaging materials andthe head protector in the box and keep them in case you need totransport the printer.

ESC SISelect Condensed ModeFormat:ASCII code:ESC SIDecimal:27 15Hexadecimal: 1B OFComments:Duplicates the SI command.DC2 Cancel Condensed ModeFormat:A

DC4Format:ASCII code:DC4Decimal:20Hexadecimal: 14Cancel Double-width Mode (one line)Comments:Cancels one-line double-width printing selected by SO or

ESC FCancel Emphasized ModeFormat:ASCII code: ESC FDecimal:27 70Hexadecimal: 1B 46Comments:Cancels emphasized, the mode selected by ESC E.ESC GSelect

ESC S 0Select Superscript ModeASCII code: ESC S 0Decimal:27 83 0Hexadecimal: 1B 53 0Comments:Prints characters about two-thirds of the normal characte

ESC-Format:Turn Underlining Mode On/OffASCII code: ESC - nDecimal:27 45 nHexadecimal: 1B 2D nComments:The following values can be used for n:1: Mode i

ESC SP (space)Format:Set Intercharacter SpaceASCII code: ESC SP nDecimal:27 32 nHexadecimal: 1B 20 nComments:Sets the amount of space added to the rig

ESC 4Select Italic ModeFormat:ASCII code: ESC 4Decimal:27 52Hexadecimal: 1B 34Comments:Causes characters from the italic character table to be printed

User-defined CharactersNote: See Chapter 6 for sample programs and full information on thistopic.ESC&Define User-defined CharactersFormat:ASCII co

ESC 6Enable Printable CharactersFormat:ASCII code: ESC 6Decimal:27 54Hexadecimal: 1B 36Comments:When the Graphic character table is selected, this cod

ESC LSelect Double-density Graphics ModeFormat:ASCII code:ESC L nl n2Decimal:27 76 nl n2Hexadecimal: 1B 4C nl n2Comments:Turns on eight-pin, low-speed

WARNINGThe power must be OFF when you move the print head. Otherwise,you may damage the printer mechanism. Also, if you’ve been using theprinter just

Table A-1. Graphics ModesCRT I8480CRT IIa 690Sinale-densltv243260Double-density2433120iCRT III24 3890Triple-density24 39180Hex-density’24 40360‘Adjace

Appendix BASCII Conversion Chart and Character TablesThis appendix contains an ASCII conversion chart, the LQ-2500character sets in Roman font only an

Decimal3334363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980Hexadecimal Character2122232425262728292A2B2c2D2E

International Character Sets-DraftUSA#France#Germany#UKfDermark I#Sweden#ItalyStSpainPtJapan#MMYtDemark IISpain II#Latin P4neric.a 8International Char

How to Use the ChartsTo determine the hexadecimal number that prints a particularcharacter, find the character in one of the tables; then look at the

Epson Italics Character Set-Draft0123456789cs8CDEF0123456789ABCDEFEpson Italics Character Set-Letter Quality012 3 4 5 6 789ABCDEF00 @ P'p 0@P&apo

Epson Graphics Character Set-Draft(Control Codes Disabled)00123456769ABCDEF123456789ABCDEFEpson Graphics Character Set-Letter Quality(Control Codes Di

Epson Graphics Character Set(Control Codes Enabled)00123456789ABCDEF12 3 456789ABCDEFASCII Conversion Chart and Chracter TablesB-7

Proportional Width TablesThis table lists the widths of the LQ-2500’s proportional characters.The values given are in 360 ths of an inch (for example:

Table B-1. Proportional character widths (continued)ASCII Conversion Chart and Character TablesB-9

8. Turn the ribbon tightening knob again to make sure the ribbon movesfreelyReplacing the ribbon . . .The LQ-2500 uses a continuous-loop, inked fabric

Table B-1. Proportional character widths (continued)Super/subscriptB-10ASCII Conversion Chart and Character Tables

Table B-1 Proportional character widths (continued)ASCII Conversion Chart and Character TablesB-11

Appendix CTypestyle SummaryThe LQ-2500 can produce a wide range of typestyles by combiningdifferent fonts, character widths, print qualities, and othe

San Serif!“#$%&‘()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPORSTUVWXYZ[\]^-’abcdefghijklmnopqrstuvWe’ve just seen your excellent ad forminiatur

Epson DraftYou can also print in Epson draft quality for high-speed printing.Although there are five Letter Quality fonts, when you select draft youwi

Table C-2. Master SelectFor example, to print a title, you may want to use double-width 10pitch characters and print them in double-strike mode. You w

Appendix DProblem Solving and MaintenancePrinter does not printProblemThis appendix presents solutions for possible problems, explanationsof the LQ’s

ProblemPrinting is patchy, faint,uneven, or intermittentAlternate lines areprinted backwardsAll the text is printedon the same lineText IS printed wit

ProblemRecommendationSome of the charactersprinted do not matchthose in the fileCheck the SelecType Country setting inChapter 2, and see the Internati

Troubleshooting Graphics ProblemsProblemRecommendationStrange dot patternsappear in graphicsprintoutsMany computers have problems sendingone or more o

Now, turn the power ON. When you turn on the printer, severalimportant things happen:The print head moves back and forth and stops at about 40 on thep

Troubleshooting for Serial Interface CommunicationsProblemPrinter prints onecharacter then stopsRecommendationThe LQ uses the DTR signal and theX-on/X

you can see what codes are being sent to the printer. If characters areprintable, they appear as their true ASCII characters. Non-printablecodes, such

Solutions for IBM and CompatiblesIf you suspect that your computer or software is causing a problem,consult your users manuals for those products. Som

brush or cloth, and never use alcohol or a thinner to clean the printer,because it could damage the print head and the case.Do not spray the inside of

Appendix EInitialization and Default SettingsThere are three ways that the printer can be initialized (returned to afixed set of conditions).1. The po

l The bit image mode assignment is:ESCK=ESC*0,ESCL=ESC*1,ESCY=ESC*2,ESCz=Esc*3.In addition, when the printer is initialized by turning on the power or

Appendix FChoosing and Setting Up Optional InterfacesThis appendix contains information on Epson interfaces compatiblewith LQ printers, instructions o

Choosing an InterfaceThis section describes the interfaces.IEEE-488 and Apple interfacesThe IEEE-488 system allows you to connect computers, printers,

Three Epson serial interfaces are suitable for LQ printers. All threeoffer a choice of 7-bit or g-bit data, and support Current Loop operationin addit

Installing an InterfaceBefore installing an interface, you must remove the printer’s cover,WARNINGDo not remove the cover unless the printer is turned

From this panel, you can control almost all printer functions. On theLQ-2500 there aren’t any DIP switches to set or reset as on mostprinters, because

7. With the printer facing you, unclip the left side of the control paneland lift it up slightly to release it from the case (Figure F-2).8. At each s

Inserting the Interface Board1. Remove the upper case of the printer, following the steps describedin the previous section.2. Remove the blanking plat

Serial Interface SettingsIf you are using an optional serial interface, you may need to changethe communications protocol of the printer or the comput

The three following tables contain all the information you need forthe optional interface settings.Table F-4 Baud rate settingInterface1200number#8143

Appendix GTechnical SpecificationsPrintingPrinting methodImpact dot matrixPrinting speed324 characters per second per line in draft 12 pitch270 charac

PaperNumber of copiesUp to 4 sheets, including the original. Total thickness not to exceed0.22mmPaper widthContinuous-feedSingle-sheet4” to 16” (101mm

ElectricalVoltage120V AC, f 10%Non-switchableConsumption120 VAFrequency49.5 Hz - 60.5 HzInsulation resistance10 Mohms between AC power line and chassi

Amendix HInterface SpecificationsThe LQ-2500 is equipped with both a parallel and a serial interface.Both are described in this appendix.WARNINGDo not

Table H-1. Pins and signalsH-2Interface Specifications

The Serial InterfaceThe LQ-2500 standard serial interface is an RS-232C interface withthe following characteristics:SynchronizationAsynchronousData fo

l You can use the FORM FEED button to eject a single sheet of paper oradvance continuous-feed paper to the next top of form.Paper feedingThe LINE FEE

Error handlingAll errors are ignored.Connector6-pin DIN connector.In Table H-2, the direction of signals is given relative to the printer.Table H-2. S

GlossaryNote that these definitions apply specifically to printers. If a word isitalicized, see that topic for more information.Application programSof

CG tableThe LQ-2500 has three Character Generator (CC) tables: Italic,Graphic, and Download. These tables contain the characters printedby the printer

DefaultValues or settings that take effect when the equipment is turned on,reset, or initialized. For example, 10 pitch is usually the default width,w

EliteSee 12 pitch.EmphasizedA printing mode in which each dot is printed twice, with the second Islightly to the right of the first.Escape (ESC)A spec

Hexadecimal (hex)See Number systems.Half speedThis is a SelecType setting that slows down print speed for quieteroperation.Hex dumpSee Data dump.Initi

MacroA group of settings that can be saved and recalled by pressing asequence of buttons. SelecType has four macros.Main menuin SelecType, the main me

ParityRAMParity is a method for a computer and printer to check the reliabilityof data transmission.PicaSee IO pitch.PitchIndicates the number of char

ROMRead Only Memory. The portion of the printers memory that ispermanent. The printer uses the information in the ROM, but theinformation cannot be ch

Unidirectional printingPrinting in one direction only Allows more precise vertical alignmentthan bidirectional printing. Often used for printing graph

After entering SelecType, the four buttons on the control panelfunction according to their SelecType assignments: EXIT, MENU,SETTING, and OPTION. See

IndexCommand descriptions and definitions of terms are not indexed here.For page references for specific commands, see pages A-4 - 6 or theQuick Refer

EEdge tab, 1-9- 10Elite. See 12 pitchEmphasized printing, 5-6ESUP module, 5-8ESCape codes, 4-2 - 3See also CommandsIndicator lights, 1-6 - 9, 2-2Initi

NNumbering systems, 4-30OFF LINE, 1-7 - 8ON LUE, 1-7-8light, 1-7, 1-9Optional interfaces, F-1 - 8PPanel, control, 1-6 - 9Panel, SelecType, 2-1 - 2Pape

Slct-in, 2-15Specifications,interface, H-1 -4technical, Gl -3Spreadsheets, 4-7 - 9Sprockets. See Paper, continuousfeedSubscripts, 5-7Superscripts, 5-7

Cond and ESCape Codes by Functionmu Code Conversion ChartDee Hex charDec Her CharDec Hex Char

the paper guide. This ridged marking corresponds to the extreme leftprinting position and is called the edge mark.The paper guideSecond, install the g

Paper loading icons . . .Both levers on the LQ-2500 have icons (small pictures) besidethem as shown in Figure 1-9. These icons (shown below) remind yo

4. Place the paper on the paper guide with its left edge next to the edgetab as shown in Figure 1-10. Push the paper firmly into the printer,then le

8 Running the Self TestThe LQ-2500 has a built-in self test that prints out the characters in itsmemory so that you can be sure the printer is worki

The self test printoutCurrent setting>QUALITYDraft>FONTDraft>PITCH10CPI>CONDENSEDOff>FORM LENGTH11.0">1"SKIP Off>LEFT M

The self test continues until you turn the printer off, or until theprinter runs out of paper and displays [PAPER OUT].9 Connecting the Printer to Y

Some parallel cables have a ground wire. Connect this wire to theground screw on the printer to protect data from interference. Thenplug the other end

With a single sheet of paper loaded, are the POWER, ON LINE, andREADY lights on, and does the display read [ON LINE]? If not,press the ON LINE button

Chapter 2SelecTypeSelecType on the LQ-2500 brings a new dimension to printing. WithSelecType you can now control almost every aspect of printeroperati

When you press the two ENTER SelecType buttons, the four controlpanel buttons switch to their SelecType labels. The control panelbuttons cannot be use

The SelecType Main MenuThe SelecType main menu lists the four modes that let you controlprinter functions and operation. Whenever you exit from any of

FCC COMPLIANCE STATEMENTFOR AMERICAN USERSThis equipment generates and uses radio frequency energy and if not installed and used prop-erly, that is, i

* LOAD MACROThe *Load Macro mode lets you load one of the preset macros, or amacro you’ve created. You can use the *Change Macro mode to createand sav

Macro #lPreset macro #1 is set for draftprinting/word processing to produce high-speed, draft quality printing. It can beused for word processing to p

When loading another macro, the new macro’s settings immediatelybecome the printers current settings. (See *Change Macro for a fullexplanation of curr

3. To load a macro, press SETTING to display the macro number youwant to load.4. Press MENU to load that macro. The display shows the macronumber th

*CHANGE MACROThe 14 settings and their options shown in Table 2-1 control printingand printer operation. These settings are the heart of the SelecType

These current settings can be printed out with the *Print Out Settingsmode, described later in this chapter. A sample printout appears below.Current s

With the *Change Macro mode you always change the currentsettings. As soon as you choose and set a different option, that newchoice becomes a current

4 When you see the option you want, leave it displayed.5. Now press SETTING again. When you press SETTING after OPTION,the displayed option beco

1. Select the settings and options you want to change as described inthe previous steps 1-5. Whether you’re just changing the currentsettings, or sav

*CHANGE DEFAULTSThe defaults are the settings in effect when you turn the printer on.Table 2-2 shows the default settings and options for the LQ-2500.

ContentsIntroductionSetting Up Your PrinterChapter 1Setting Up the Printer1-1Unpacking the Printer1-3Choosing a Place for the Printer1-3Installing the

Default macroThe preset defaults include a default macro. Each time you turn theLQ-2500 on, it needs setup instructions. The LQ-2500 uses the settings

Auto Line feed and SLCT-INMost application programs send automatic line feeds at the end ofevery line, so this option should remain Off. However, if a

1. From the SelecType main menu, press MENU until the displayshows [*CHANGE DEFAULTS].2. Press SETTING to see the default settings listed in Table 2-2

Aborting or exiting1. If you decide you don’t want to change the default settings, choosethe [DO NOT SAVE DEFAULTS option. Press MENU and thedisplay s

*PRINT OUT SETTINGSThe *Print Out Settings mode gives you an immediate printout of thesix SelecType listings, as shown below. (Although the print qual

Printing out the settingsMENU*PRINT OUT SETTINGS1. From the Selecl Type main menu, press MENU until the displayshows [*PRINT OUT SETTINGS].2. Now pres

Chapter 3Choosing and Loading PaperThe LQ-2500 printer can accommodate many different sizes andtypes of paper, using either its automatic single-sheet

whenever required, making single sheets as easy and convenient to useas continuous-feed paper. The automatic sheet feeder has its own usersmanual.Relo

Clear enough space around the printer so that the paper has anunobstructed path in and out of the printer. There are three commonmethods of arranging

5. Move the left sprocket unit all the way to the left and pull thelocking lever forward to hold it in position.NoteWith the sprocket unit in this pos

Chapter 4Using the LQ-2500 with Application Programs4-2Choosing the Correct Printer4-2Computer- Printer Communication4-3Setting Up Application Program

10. If the paper is straight and has no wrinkles, lock the right sprocketunit in place.11. Turn the paper feed knob slowly to feed the paper under the

Setting the top of form positionFinally you need to establish a top of form position so that the printerdoes not print on the perforations. The top of

Remember that you should never advance the paper using the paperfeed knob while the power is turned on. You can damage themechanism of the printer, an

The Paper Thickness LeverYou can adjust the LQ-2500 to accommodate different thicknesses ofpaper. You need to do this when you print labels or carbon

Always return the lever to the normal position when you resumeprinting on normal paper.Choosing and Loading Paper3-9

Chapter 4Using the LQ-2500 with Application ProgramsNow that you’ve set up and tested the printer, you should make surethe LQ-2500 works with the appl

Choosing the Correct PrinterMost application programs let you specify the type of printer you’reusing, so that the program can take full advantage of

If you’re using control codes to select printer functions for anapplication program or programming language, check thedocumentation. Different program

Processors, Spreadsheets, and Graphics programs. In addition, a briefexplanation of programming languages is also included at the end ofthe chapter.Wo

InitializationWhenever you turn the power on for the LQ, an initializationsequence is performed that sets the printer to its default values (seeChapte

ReferenceAppendix BASCII Conversion Chart and Character TablesB1 ASCII Conversion ChartB-3 International Character Sets-DraftB-3international Characte

Most word processors are not initially set up to send all of thecommands you might want to use. Most of them have a key orsequence of keys, to send th

SpreadsheetsAlthough spreadsheets seldom use as many printing styles as wordprocessors, they do have some very specific requirements.Installation and

SelecType-You have the choice of using the four preset SelecTypemacros, or creating your own. One of those preset macros (macro 3) isfor spreadsheets.

InitializationLike many word processors, some spreadsheet programs also sendout an initialization command to reset the printer before printing.This in

Setting Up Graphics ProgramsThe LQ-2500 is capable of producing finely detailed graphic images inblack or in color (with the optional color kit). Chap

Programming LanguagesMost users rely on application programs to send commands to theprinter. However, an awareness of programming languages can behelp

You can also use the LPRINT statement to send kxt to the printer, butit must be enclosed in quotation marks, as shown below.LPRINT "This is a sam

Chapter 5Using the LQ-2500 Print FeaturesThis chapter describes the wide variety of fonts, print widths, styles,and enhancements available with the LQ

selecting print qualityThere are three easy methods of changing between draft and LetterQualityl The control panel-With the printer on line, you can p

All five fonts are available through SelecType, or with the LQ button.You can switch to draft quality from any of the fonts, but there is onlyone styl

Appendix FChoosing and Setting Up Optional InterfacesF-1Compatible InterfacesF-2Choosing an InterfaceF-4Installing an InterfaceF-6Inserting the Interf

Print Pitch and Character WidthTo add greater variety to your documents, the LQ-2500 can print inthree different pitches and perform proportional spac

Proportional spacing is the exception. Only the Roman and Sans Seriffonts have proportional spacing tables. If you select proportional for anyother fo

printer command sent from an application program or programminglanguage.Be aware that widening or narrowing characters also widens ornarrows the space

Superscripts and subscripts can be used for printing footnote numbersand mathematical formulas. The example below shows underlining andsuperscripts an

Although you won’t see italic characters in the Graphic table, mostapplication programs use ESC 4 and ESC 5 to turn italic on and off. Thisgives you i

Table 5-2. International characters in Letter QualityIUSAFRANCEGERMANYUKDENMARK 1SWEDENITALYSPAIN 1JAPANNORWAYDENMARK 2SPAIN2LATIN AMERICAThe color op

Chapter 6Graphics and User-defined CharactersThe dot graphics modes allow your LQ-2500 to produce pictures,graphs, charts, or almost any other pictori

If you use an application program that produces graphics, or apackage such as a spreadsheet that produces graphics, ail you need toknow about dot grap

Dot patternsThe LQ-2500 prints graphics the same way that pictures innewspapers and magazines are printed. If you look closely at anewspaper photograp

To fire any one pin, you send its number. To fire more than one pin atthe same time, add up the numbers of the pins and send the sum to theprinter. Wi

IntroductionThe Epson LQ-2500 introduces a new concept in dot matrix printing.In addition to the speed and sharpness of a 24-pin, dot matrix printer,t

such as emphasized and double-width, one code turns the mode onand another turns it off. For graphics, the commands are morecomplicated because a code

Therefore, the graphics mode command uses two numbers forreserving columns.To figure the number of columns reserved, multiply the secondnumber by 256

Using handcalculated data to print graphicsYou can now perform the simplest application of graphics-usinghand-calculated data to print graphic images.

Write the assigned values of the pins next to your design and thenadd the values for each column of dots. These totals will be sent to theprinter as g

The following BASIC program prints the design shown in Figures 6-3and 64. Notice that the data numbers in lines 80-140 are the samenumbers that you se

Adding the following lines to the previous program causes the patternto print 10 times in a row as shown below.15 FOR C=l TO 10: RESTORE65 NEXT CIndiv

This is a quick way to change the aspect ratio of the design that youare printing. Changing the graphics option will change the widthwithout changing

Design gridsPrinting user-defined characters is like printing graphics patternsbecuase you send the printer precise instructions on where you wanteach

The grid on the right side of Figure 6-5 can be used for either LetterQuality or proportional characters. For Letter Quality you do not use allthe col

Data numbers2The bits within each byte have values of 1, 2, 4, 8, 16, 32, 64, and128. In the vertical column of dots, the bits are arranged so that th

Using this manualTo make it easier to set up your new LQ-2500, this manual includes a10-step guide to setting up your printer. The outline on the back

Sending information to the LQ-2500The printer loads characters in the print style (Letter Quality draft, orproportional) and font (Roman, Sans Serif,

Table 6-3. Character width limitsITextd0 + dl + d2Text(maximum)Draft912Letter Quality,10pitch2936Letter Ouallty,12pitch2330Letter Ouality,15pitch1524P

The information about the actual character design (which is containedin the data statements at the end of the program) is sent to the printerin the lo

Copying ROM to RAMIn many cases, you will want to redefine only a few of the charactersto suit your needs, and keep the rest of the alphabet. As you h

Superscripts and subscriptsYou can also create superscript and subscript user-defined characters.Just as Letter Quality characters are defined when th

If you define characters in one mode, such as draft, then switch tomother mode, such as Letter Quality, the command will be ignored andthe LQ will pri

Appendix ACommand SummaryThis appendix lists and describes all the commands available on theLQ-2500. This summary is divided by topics, but there is a

All three formats are equivalent, so you can pick the one best suitedto your purpose. For instance, a BASIC programmer might refer to thefirst and sec

More complex commands consist of two or more character codes. Forexample, to print in proportional mode the code format is:ASCII code:ESC p nDecimal:

Commands in Numerical OrderThe following list shows control codes and ESCape sequences (withtheir decimal and hexadecimal values), and the page number