Epson T-750 User Manual

User’s Manual

l Place the printer or printer stand on a solid and level foundation.Avoid setting it on carpet or on unstable surfaces such as chairs.l Use a grounde

ESC ZSelect Quadruple-density Graphics ModeFormat:ASCII code:ESC Z n1 n2Decimal:27 90 n1 n2Hexadecimal:1B 5A n1 n2Comments:Turns on eight-pin quadrupl

ESC ?Reassign Graphics ModeFormat:ASCII code:ESC ? s nDecimal:27 63 s nHexadecimal: 1B3F s nComments:Changes one graphics mode to another. The variabl

IBM Printer Emulation Mode CommandsThe Epson mode and the IBM printer emulation mode share manyof the same commands. Therefore, this part of the summa

Commands that Are Different from Epson CommandsPrinter OperationESC Q22Deselect PrinterFormat:ASCII code:ESCQ SYNDecimal:27 81 22Hexadecimal: 1B51 16C

ESC 2Select ProgrammableLine SpacingFormat:ASCII code:ESC 2Decimal:27 50Hexadecimal:1B 32Comments:Executes the line spacing stored in memory by ESC A.

ESC 5Turn Automatic Line Feed On/OffFormat:ASCII code:ESC 5 nDecimal:27 53 nHexadecimal:1B 35 nComments:The following values can be used for n:1: Mode

ESC DSet Horizontal TabsFormat:ASCII code: ESC D n1 n2 . . . NULDecimal:27 68 n1 n2 . . . 0Hexadecimal: 1B44 n1 n2 . . . 00Comments:This command allow

Print Size/Width/EnhancementsFour modes in the IBM printer emulation mode are incompatiblewith each other. These modes are pica, elite, condensed, and

DC2Cancel Condensed/Elite/ProportionalFormat:ASCII code:DC2Decimal:18Hexadecimal: 12Comments:Cancels condensed, elite, and proportional printing and s

ESC -Turn Overscore On/OffFormat:ASCII code:ESC _ nDecimal:2795 nHexadecimal:1B5F nComments:The following values can be used for n:1: Mode i

WARNINGThe power must be OFFwhen you move the print head. Moving theprint head when the power is ON may damage your printer. If you’vebeen using your

ESC \Print Characters from Symbol SetFormat:ASCII code:ESC \ n1 n2 dataDecimal:27 92 n1 n2 dataHexadecimal:1B 5C n1n2 dataComments:Prints a number of

User-Defined CharactersESC =Define User-defined CharactersFormat:ASCII code:ESC =n1 n2 . . . nkDecimal:27 61 n1 n2 . . . nkHexadecimal:1B 3D n1

Appendix BCharacter TablesThis appendix contains tables of the complete Epson mode characterset, including the extra characters for the 13 Epson inter

Table B-1. Epson mode charmersDecimal Hex Character ASCII name000NUL101SOH202STX303ETX404EOT505ENQ606ACK707BEL808BS9 09HT100ALF110BVT120CFF130DCR140Es

Table B-I, continuedDecHexCharacter WidthDecHexCharacter Width3220332134223523362437253826392740284129422A432B442C452D462E472F48 30493150 32513352 345

Table B-1, continuedDecHexCharacter Width9660976198629963100 64101651026610367104 68105691066A1076B1086C1096D1106E1116F112701137111472115 7311674117 7

Table B-1, continuedDecimal Hex CharacterGraphics Widths:character normal italic12880NUL12981SOH13082STX13183ETX132 84EOT13385ENQ13486ACK13587BEL136 8

Table B-1, continuedDecimal HexItalicWidthGraphics Widths:charactercharacter normal italic160A0161Al162A2163A3164A4165A5166A6167A7168A8169A9170AA171AB

Table B-l, continuedDecimal HexItalicWidthGraphics Widths:charactercharacter normal italic192C0193Cl194C2195C3196C4197C5198C6199C7200C8201C9202CA203CB

Table B-1, continuedDecimal HexItalicWidthGraphics Widths:charactercharacter normal italic224E0225El226E2227E3228E4229E5230E6231E7232 E8233E9234EA235E

Figure 1-4.Installing the ribbon cartridgeFigure l-5.Positioning the ribbonSetting Up Your T-750 Printer1-5

Epson International Character SetsTwelve character codes between 35 and 126 can represent more thanone character each, depending upon the internationa

Table B-3. Proportional widths of international charactersCharacters Widths:Characters Widths:NormalItalicNormalItalic1211121111111011888812 125101211

IBM Printer Emulation ModeThis section shows the characters available in IBM printer emulationmode.There are two main character tables: standard (CC T

Table B-4. IBM printer emulation mode charactersDecimal HexStandard International Symbol(CG Table 1) (CG Table 2) setWidth0001012023034045056067078089

Table B-4, continuedDecHexCharacter WidthDecHexCharacter Width32 203321342235 2336243725382639 2740284129422A432B442C452D46 2E472F48 30493150325133523

Table B-4, continuedDecHexCharacter Width96 60976198 6299631006410165102661036710468105691066A1076B1086C1096D1106E1116F112701137111472115 7311674117 7

Table B-4, continuedDecimal HexStandardInternationalWidth(CG Table 1)(CG Table 2)12880NUL12981SOH13082STX13183ETX132 84EOT13385ENQ13486ACK135 87BEL136

Table B-4, continuedDecimal HexStandardInternational(CG Table 1)(CG Table 2)Width160A0161Al162A2163A3164A4165A5166A6167A7168A8169A9170AA171AB172AC173A

Table B-4, continuedDecimal Hex StandardInternational(CG Table 1)(CG Table 2)Width192co193Cl194C2195C3196C4197C5198C6199C7200 C8201C9202CA203CB204CC20

Table B-4, concludedDecimal HexStandardInternational(CG Table 1)(CG Table 2)Width224E0225El226E2227E3228E4229E5230E6231E7232E8233E9234EA235EB236EC237E

Replacing the ribbon...When buying new ribbon cartridges for the T-750, be sure you geta ribbon specifically for Epson T-750 or FX series printers. Ri

Appendix CProblem Solving and MaintenanceThis appendix presents solutions for possible problems, explanationsof the T-750’s advanced features, tips on

Problem RecommendationPrinting is patchy faint,uneven, or intermittentCheck that the ribbon is seated correctlyand moves freely in the cartridge.If yo

Troubleshooting Graphics ProblemsProblem RecommendationStrange dot patternsappear in graphicsprintoutsPrinter freezes whenprinting graphicsText appear

The data dump on the previous page was made while writing anearlier version of this appendix. By comparing the column of charactersat the right with t

The extra line feed character is usually no problem, unless you wantto send ASCII code 13 on its own as part of a graphics statement or acharacter def

Replacing the print headAs soon as the print head fails, stop using the printer and call theEpson toll-free number for the location of the nearest Aut

6. Lift the print head from its position and carefully disconnect the flatcable from the print head, as shown in Figure C-2.Figure C-2.Disconnecting t

l Remove the paper rest and paper guide and pack them separately.l Fix the tractor cover in place with tape.l Pack the printer in the original foam pa

Appendix DDefaults and DIP SwitchesThis appendix lists all of the default settings and lists and explainsthe settings of all the DIP switches.Default

DIP Switch SettingsThe T-750 has twelve DIP (Dual In-line Package) switches that allowyou to change many of the printer’s settings to suit your indivi

Figure 1-6.Installing the paper rest4. Pull both the paper release lever and the paper bail lever toward thefront of the printer. (Figure 1-6 shows wh

Table D-I. DIP switch group 1Switchnumber Functionl-lSelect condensed or normalcharacters1-2Select slashed or unslashed zero1-3Select character table*

symbol set cannot be selected permanently because it causes printercommands to be ignored.The DIP switch settings to select the different character se

Appendix ETechnical SpecificationsThis appendix contains the specifications for the T-750 including thebuilt-in parallel interface.PrintingPrinting me

MechanicalRibbonCartridge, exclusive to T-750 or Epson FX series printers, black #8755Life expectancy (in characters, at 14 dots/character): 3 million

EnvironmentTemperatureOperation: 40°F to 95°F (5C° to 35C°)Storage: -25°F to 150°F (-30C° to 65C°)HumidityOperation: 10% to 80% without condensationSt

Table E-l. Pins and signals continuedNotes:1. The column heading “Direction” refers to the direction of signalflow as viewed from the printer.1 E-4Tec

2. “Return” denotes the twisted-pair return, to be connected at signalground level. For the interface wiring, be sure to use a twisted-paircable for e

Table E-2. Printing enabled/disabled signals and control conditionsOn-Line DC1/DC3(Data on/off contr.)ERROR BUSYACKNLGPrinting(Disabled/enabled)SLCT I

GlossaryNote that these definitions apply specifically to printers. If a word isitalicized, see that topic for more information.application programA p

carriage returnThe control code that returns the print position to the left margin.When issued together with a line feed, the print position moves to

Now you are ready to load the continuous-feed paper. Just follow thesteps below:1. Using Figure 1-7 as a guide, pull the locking levers on the pin-fee

dot matrixA method of printing in which each letter or symbol is formed by apattern (matrix) of individual dots.double-high printingPrinting in which

formIn printer terminology, a form is normally the equivalent of a page.form feedA control code and a panel button that advances the paper to the next

number systemsThree number systems are commonly used with printers:decimal is base 10 and uses the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.(This is th

proportional printingPrinting in which the width of the character varies from character tocharacter. For example, a capital W receives much more space

IndexCommand descriptions are not indexed here. For page references forspecific commands, see pages A-4 - 6 or the Quick Reference card.AAmerican Stan

FMForeign language characters.See International charactersFORM FEED, 1-13Maintenance, C-5 - 7Menu, printer, 3-lMoving the printer, C-7Multi-part forms

Programming languages, 3-6-7Proportional mode, 4-2WProtector, print head, 1-2Wordprocessors,3-3-4RREADY light, l-13Ribbon, installing, 1-3 - 5Ribbon,

Figure 1-8.Open pin-feed cover4. Guide the paper into the paper slot, and push it through until itcomes up between the ribbon guide and the platen. (M

6. Fit the right side of the paper into the right holder, moving theholder as needed to match the width of the paper.7. Close the right cover, making

3. With the printer turned OFF, advance the paper with the paperfeed knob on the right side of the printer until the first row ofperforations is about

5 Turning On the PrinterBefore plugging in the power cord, see that the power switch nearthe back of the left side of the printer is turned off; then

FCC COMPLIANCE STATEMENTFOR AMERICAN USERSThis equipment generates and uses radio frequency energy and if not installed and used properly,that is, in

The three buttons nearest the front of the printer control advancingthe paper and communication with the computer. The four indicatorlights show when

PAPER OUTThis comes on when the printer is out of paper.Also on the control panel are two touch switches that let you choosethe print style and size.

want to turn off either mode, press its button again. It beeps once andthe indicator light turns off to show that the mode is cancelled.As you can see

NoteAlso remember that control codes in your document will override theSelecType settings. Therefore, if you have a code for NLQ in yourdocument and y

To run the same test in the draft mode, hold down the LINE FEEDbutton instead of the FORM FEED button while you turn the printer on.The T-750 cannot p

10 Choosing the Operating Mode with DIP SwitchesThe T-750 has 12 switches that allow you to change many of theprinter’s settings to suit your individu

Before you change any DIP switch settings, turn the printer aroundto give you easy access to the switches. Then you can easily turn theswitches on and

DIP switch 14 controls the choice of operating modes. Turning theswitch OFF selects Epson mode, and turning it ON selects IBM printeremulation mode.Th

Chapter 2Choosing and Loading PaperThe T-750 printer can accommodate many different sizes and typesof paper, using either its automatic single-sheet l

Before you load single-sheet paper the first time, you must preparethe printer by removing the tractor unit and installing the paper guide,as describe

ContentsIntroduction2 About This Manual2 Where to Get HelpChapter 1Setting Up Your T-750 Printerl-1 Unpacking Your Printer1-2 Selecting the Right Loca

5. Hold the paper guide above the printer. Insert the right hinge tabinto the right tab slot, as shown in Figure 2-2. Next, insert the lefttab into th

Loading the paperNow you are ready to load single-sheet paper. Just follow the stepsbelow:1. Turn the printer ON first. Do not put the paper in the pr

5. Pull the paper bail lever forward. This makes the paper feed into theprinter.6. When the paper stops, push the paper bail lever back.7. Hold the pr

If the paper does not loadIf the platen (the black roller) turns but the paper does not load,remove the paper from the printer and try again, starting

Figure 2-5.Reinstalling the tractor unitChoosing and Loading Paper2-7

The Paper Thickness LeverYou can adjust the T-750 to accommodate different thicknesses ofpaper. You need to do this when you print carbon copies.Befor

If you want to change or check the lever, push it toward the platen(the black roller) until it stops. This is the first position. Then pull thelever t

Chapter 3Using the T-750 with Application ProgramsNow that you’ve set up and tested the printer, you need to startusing it with your application progr

A quick testAfter setting up your application program, print a sample documentto be sure the program and the T-750 are communicating properly. Ifthe d

The decimal system is the standard numbering system based on unitsof ten, using the numerals O-9.The hexadecimal, or hex, system is based on units of

Chapter 4T-750 Printer Features4-1 Quality and Fonts4-2Print Size and Character Width4-2Pitches and Proportional Spacing4-3 Special Effects and Emphas

Check the manual for your word processor to see if you can placeprinter commands in your text. If this is possible, use the CommandSummary (Appendix A

Table 3-1. Characters per lineT-750Normal136Elite163Condensed233Condensed Elite272Therefore, if your spreadsheet asks the number of columns your print

If you’re using the program’s print facility, recheck the T-750’sCommand Summary to make sure you’re sending the correctcommands.If you’re still havin

Sending printer commands with BASICYou can send printer commands with any programming language.The examples in this manual are written in BASIC, becau

Chapter 4T-750 Printer FeaturesYou can obtain many different printing effects with the T-750 printer,from arranging the printout on the paper to givin

Print Size and Character WidthTo add greater variety to your documents, the T-750 has two pitchesas well as proportional spacing and condensed, double

Another mode for headings and other special uses is double-high,which is shown below.This is double-high printingBecause of its height you must leave

In double-strike mode, the T-750 prints each line twice, with thesecond slightly below the first. This makes the characters bolder. WhileNLQ is in use

The other important change you can make to the standard characterset is to change some characters for ones commonly used in otherlanguages-chiefly Eur

Chapter 5Graphics and User-defined CharactersThe dot graphics mode allows your T-750 to produce pictures,graphs, charts, or almost any other pictorial

Appendix DDefaults and DIP SwitchesD- 1Default and Initialization SettingsD-2 DIP Switch SettingsD-3 International Character SetsAppendix ETechnical S

If you use application software that produces graphics, all you needto know about dot graphics is how to use the software. If, on the otherhand, you w

Dot patternsThe T-750’s print head is able to print graphics in addition to textbecause graphic images are formed on the printer about the same waytha

To fire any one pin, you send its number. To fire more than one pinat the same time, add up the numbers of the pins and send the sum tothe printer. Th

The graphics command formatThere are several different graphics commands giving differenthorizontal dot densities and printing speeds. Because the for

Graphics dataAfter receiving a graphics command such as ESC K nl n2, theprinter prints the number of codes specified by nl and n2 as graphicsdata, no

WIDTH statementsSome software (including most versions of BASIC) automaticallyinserts carriage return and line feed codes after every 80 or 130charact

1. The computer is prevented from adding any extra characters by theWIDTH statement (line 100).2. The line spacing is changed to 8/72 of an inch-the h

Table 5-1. Graphics modes*Adjacent dots cannot be printed in this mode.Modes 4-7 in the table are special modes that alter the horizontaldensity to gi

A little experimentation should tell you whether the reassigning codecan improve your graphics printouts.Designing Your Own GraphicsThis section takes

Now look at the high-speed double-density design in Figure 5-3. Itshould point you in the right direction for your own work.Figure 5-3.Arrow designAft

IntroductionThe ActionPrinter™ T-750 combines all the well-known virtues ofprevious Epson 9-pin printers with many features normally exclusive tocostl

The numbers for the second line were calculated in the same way.Once the numbers for the pin patterns are calculated, they are put inthe program in DA

User-defined CharactersThe T-750 has a command that allows you to define and printcharacters of your own design. You can design an entirely newalphabe

Figure 5-5 uses the top eight, but you can also use the bottom eight byusing the grid on the right as explained later in this section.Once the charact

Following the specification of the range of characters to be defined inthis command is one number (al) that specifies the width of thecharacter and wh

Run the program to see the printout below:As you can see, both sets of characters (the original ROM charactersthat the printer normally uses and the u

NoteThis command will cancel any user-defined characters you havealready created. You must send this command to the printer before youdefine character

The sample below shows the heart character printed in two differentstyles.Other considerationsKeep in mind that user-defined characters are stored in

Appendix ACommand SummaryThis appendix lists and describes all the commands, both Epson(ESC/P) mode and IBM printer emulation mode, available on the T

For the following commands that use only 0 or 1 for the variable,either the ASCII codes 1 and 0 or the characters 1 and 0 can be used:ESC S, ESC U, ES

Control key chartSome application programs can use control key codes for decimalvalues O-27. The table below gives you the proper values. The ControlK

About This ManualTo make it easier to set up your new T-750, this manual includes alo-step guide. This guide, which is printed on the inside of the ba

Commands in Numerical OrderThis section lists all the T-750 commands, with their decimal andhexadecimal values. The numbers in the columns on the righ

ESC /ESC 0ESC 1ESC 2ESC 2ESC 3ESC 4ESC 4ESC 5ESC 5ESC 6ESC 6ESC 7ESC 7ESC 8ESC 9ESC :ESC :ESC <ESC =ESC =ESC >ESC ?ESC @ESC AESC AESC BESC CESC

ESC J744A Perform n/216-inch line feedA-16 A-38ESC K 75 4B Select singledensity graphicsA-33 A-33ESC L76 4C Select double-density graphicsA-33 A-33ES

Epson (ESC/P) CommandsThe following section lists and describes all the Epson (ESC/P)commands.Printer OperationInitializationESC @Initialize PrinterFo

DC3Deselect PrinterFormat:ASCII code:DC3Decimal:19Hexadecimal: 13Comments:Puts the printer into the deselected state until select printer code(DCl) is

ESC UTurn Unidirectional Mode On/OffFormat:ASCII code:ESC U nDecimal:27 85 nHexadecimal: 1B55 nComments:The following values can be used

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 >Set MSB to 1Format:ASCII code: ESC >Decimal:2762Hexadecimal:1B3EComments:Sets the MSB bit of all incoming data as 1.ESC # Cancel MSB Contro

Data ControlCRFormat:ASCII code: CRDecimal:13Hexadecimal: 0DCarriage ReturnComments:Prints the data in the buffer and returns the print position to th

Vertical MotionForm feedingFFForm FeedFormat:ASCII code:Decimal:Hexadecimal:FF120CComments:Prints the data in the print buffer and advances the paper

Chapter 1Setting Up Your T-750 PrinterSetting up your new T-750 is easy. Simply follow the steps in thischapter.1 Unpacking Your PrinterFirst, remove

ESC NSet Skip-over-perforationFormat:ASCII code:ESC N nDecimal:27 78 nHexadecimal: 1B 4EnComments:The variable n is the number of lines skipped betwee

ESC 0Select 1/84-inch Line SpacingFormat:ASCII code:ESC 0Decimal:27 48Hexadecimal:1B 30Comments:Sets the line spacing to l/8 of an inch for subsequent

ESC 3Select n/216-inch Line SpacingFormat:ASCII code:ESC 3 nDecimal:27 51nHexadecimal:1B33 nComments:Sets the line spacing to n/216 of

Vertical tabbingVTTab VerticallyFormat:ASCII code: VTDecimal:11Hexadecimal:0BComments:Advances the paper to the next tab setting in the channel select

ESC /Select Vertical Tab ChannelFormat:ASCII code:ESC / cDecimal:27 47 cHexadecimal: 1B2F cComments:This command is used to select the vertical tab ch

Print head movementBSFormat:ASCII code: BSDecimal:8Hexadecimal: 08BackspaceComments:Prints out data in the print buffer, then moves the print position

ESC \Set Relative PositionFormat:ASCII code:ESC \ n1 n2Decimal:27 92 n1 n2Hexadecimal: 1B 5C n1 n2Comments:Determines the position (relative to the cu

ESC DSet Horizontal TabsFormat:ASCII code:ESC D n1 n2 . . .NULDecimal:27 68 n1 n2 . . . 0Hexadecimal: 1B 44 n1 n2 . . . 00Comments:This command allows

ESC !Master SelectFormat:ASCII code: ESC ! nDecimal:27 33 nHexadecimal:1B 21 nComments:Selects any valid combination of the modes in the table below.

ESC MSelect Elite PitchFormat:ASCII code: ESC MDecimal:27 77Hexadecimal: 1B 4DComments:Selects elite pitch (12 characters per inch).ESC pTurn Proporti

WARNINGThe printer is protected by a print head protector, a platen protectorand two locking tabs during shipping. These protective items must beremov

ESC SISelect Condensed ModeFormat:ASCII code:ESC SIDecimal:27 15Hexadecimal: 1BOFComments:Duplicates the SI command.DC2Cancel Condensed ModeFormat:ASC

DC4Cancel Double-wide Mode (one line)Format:ASCII code:DC4Decimal:20Hexadecimal: 14Comments:Cancels one-line double-wide printing selected by SO or ES

Print EnhancementESC ESelect Emphasized ModeFormat:ASCII code: ESC EDecimal:27 69Hexadecimal:1B 45Comments:Makes text bolder by printing each dot twic

ESC HCancel Double-strike ModeFormat:ASCII code: ESC HDecimal:27 72Hexadecimal:1B 48Comments:Turns off the double-strike mode selected by ESC G.ESC SO

ESC -Turn Underlining Mode On/OffFormat:ASCII code:ESC - nDecimal:27 45nHexadecimal:1B2D nComments:The following values can be used fo

ESC SP (space)Set Intercharacter SpaceFormat:ASCII code:ESC SP nDecimal:27 32 nHexadecimal:1B 20 nComments:Sets the amount of space added to the right

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

User-defined CharactersNote: See Chapter 5 for sample programs and full information on thistopic.ESC &Define User-defined CharactersFormat:ASCII c

ESC 6Printable Code Area ExpansionFormat:ASCII code: ESC 6Decimal:27 54Hexadecimal:1B 36Comments:Enables the printing of codes 128 through 159 (decima

GraphicsNote: See Chapter 5 for sample graphics programs.ESC KSelect Single density Graphics ModeFormat:ASCII code: ESC K n1 n2Decimal:27 75 n1 n2Hexa