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Chapter 4

Apex80 Printer Features

Quality and Fonts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Print Size and Character Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Special Effects and Emphasis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Using Different Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Page Layout and Other Commands . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Chapter 5

User-defined Characters

Defining Your Own Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Designing Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Defining NLQ Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Chapter 6

Introduction to Dot Graphics

The Print Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pin Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graphics Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

Simple Graphics Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Density Varieties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Designing Your Own Graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10

Appendix A

Command Summary

Commands in Numerical Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4

Printer Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-7

Data Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vertical/Horizontal Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11
Overall Printing Style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-19

Print Size and Character Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-20

Print Enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-23
Word Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Userdefined Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-29
Graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendix B

Character Tables

International Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8

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Contents

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Summary of Contents for AP-80

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Page 2: ...ilable from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00450 7 WARNING The connection of a non shielded printer interface cable to this printer will invalidate the FCC Certification of this device and may cause interference levels which exceed the limits estab lished by the FCC for this equipment If this equipment has more than one interface connec tor do not leave cab...

Page 3: ...bon 1 6 Plugging in the Printer 1 7 Using Continuous feed Paper 1 7 Using Single sheet Paper 1 15 Operating the Control Panel 1 19 Connecting the Apex80 to Your Computer 1 23 Chapter 2 Using the Apex80 with Application Programs Printer Selection Menus 2 1 Computer Printer Communication 2 2 Word Processors 2 3 Spreadsheets 2 4 Graphics Programs 2 6 Programming Languages 2 6 Chapter 3 SelecType Sele...

Page 4: ...n to Dot Graphics The Print Head 6 2 Pin Labels 6 3 Graphics Commands 6 4 Simple Graphics Programming 6 6 Density Varieties 6 8 Designing Your Own Graphics 6 10 Appendix A Command Summary Commands in Numerical Order A 4 Printer Operation A 7 Data Control A 10 Vertical Horizontal Motion A 11 Overall Printing Style A 19 Print Size and Character Width A 20 Print Enhancement A 23 Word Processing A 26 ...

Page 5: ...Default and Initialization Settings D 1 DIP Switch Settings D 2 International Character Sets D 3 Appendix E Choosing and Setting Up Optional Interfaces Compatible Interfaces E 1 Choosing an Interface E 1 Installing an Interface E 2 Serial Interface Settings E 8 Appendix F Technical Specifications Printing F 1 Paper F 1 Mechanical F 2 Electrical F 2 Environment F 3 Parallel Interface F 3 Data Trans...

Page 6: ...ve perfected a document you can switch to one of two NLQ fonts Roman or Sans Serif l A variety of print styles including emphasized double strike condensed italic and double wide l Selection of typestyles with the control panel l Userdefinable characters so you can create and print your own symbols or characters l Dot graphics for charts diagrams and illustrations l Easy paper loading l A ribbon c...

Page 7: ...rinter s commands and some advice on solving problems Inside the back of the manual is a pull out Quick Reference card containing the information you need most Where to Get Help If you need assistance with your Apex80 printer just call the toll free Epson number 1 800 421 5426 You can also call the 800 number for the location of your nearest Epson Service Center To purchase accessories such as rib...

Page 8: ...rts First see that you have all the parts you need In addition to this manual the printer box should contain the items shown in Figure 1 1 The paper feed knob is packed into an indentation in the white foam material Figure 1 1 Printer parts Note The tractor unit for your printer may be preinstalled Setting Up 1 1 ...

Page 9: ...n the same circuit breaker with any large electrical machines or appliances These can cause disruptive power fluctuations l Keep your printer and computer away from base units for cordless telephones l Protect the printer from direct sunlight excessive heat moisture and dust Make sure that it is not close to a heater or other heat source If you are going to use the tractor unit and continuous feed...

Page 10: ...ite foam material 2 Insert the knob into the hole on the right side of the printer as shown in Figure 1 2 Gently rotate the knob until it fits over the shaft Figure I 2 Paper feed knob installation 3 Push the knob in until it is flush with the printer case Installing the Ribbon The Apex80 printer uses a continuous loop inked fabric ribbon It is enclosed in a cartridge that makes ribbon installatio...

Page 11: ...use moving the print head when the power is on may damage your printer Also if you ve been using your printer be careful not to touch the print head because it becomes hot during use Let it cool for a few minutes 2 Move the print head by hand to the center of the printer so that the other parts of the printer will not get in your way 3 Grasp the ribbon cartridge by its handle and hold the cartridg...

Page 12: ... place See Figure 1 4 Figure 1 4 Ribbon cartridge installation 5 Turn the knob on the cartridge in the direction of the arrow to tighten the ribbon As you turn the knob see that the ribbon slips down into its proper place between the print head and the ribbon guide See the figure on the ribbon cartridge itself You may want to use a pencil to direct the ribbon as shown in Figure 1 5 Setting Up 1 5 ...

Page 13: ...rinting becomes light and you need to replace the ribbon follow these steps 1 Remove the front lid 2 Grasp the ribbon cartridge handle and pull out the cartridge 3 Follow the ribbon installation instructions above to insert the new ribbon cartridge Plugging in the Printer Now plug in your Apex80 Make sure that the power switch on the left side of the printer is off before you plug in the printer 1...

Page 14: ...gle sheet paper which can only be loaded when the tractor unit is removed If you have received your printer with the tractor unit installed simply install the paper rest by fitting it into the slots along the top edge of the back of the printer and snapping it into place See Figure 1 7 Then see the instructions later in this chapter for loading continuous feed paper To install the tractor unit fol...

Page 15: ...Figure 1 6 Removing the tractor unit slot cover 3 Fit the paper rest into the slots along the top edge of the back of the printer and snap it into place See Figure 1 7 Setting UP 1 8 ...

Page 16: ...of the lever marks the position the lever should be in for using continuous feed paper or for releasing paper Now install the tractor unit First hold the unit so that its black legs are facing downward as shown in Figure 1 8 Figure 1 8 Preparing to install the tractor unit Setting Up 1 9 ...

Page 17: ...the front legs snap into place Loading continuous feed paper Once the tractor unit is installed load continuous feed paper as follows 1 Make sure that the printer is turned off 2 Remove the front lid of the printer 3 Move the print head to the center of the printer Remember the printer must be turned off whenever you move the print head Also if you ve been using the printer the print head may be h...

Page 18: ...ure 1 10 Locking lever fur pin feed holder adjustment 5 Place the left holder approximately 3 4 of an inch from the far left position and then push the locking lever back to fasten that holder into place Leave the other holder unlocked 6 Open the pin feed covers as shown in Figure 1 1 Figure 1 11 Opening the pin feed covers Setting Up 1 11 ...

Page 19: ... the paper Close the second pin feed cover 10 Make sure that the paper has no dips or wrinkles then push the locking lever back to lock the right holder in place Installing the paper guide Install the paper guide which is used here as a paper separator as described below Note that the guide is installed in one of two different positions depending on the type of paper you use It lies flat when you ...

Page 20: ...t positions on the paper guide You won t be inserting paper through the edge guides unless you use single sheet paper 2 Insert the legs of the paper guide into the slots behind the tractor unit keeping the guide tilted backward as you do so See Figure 1 14 Setting Up 1 13 ...

Page 21: ...ages is just below the top of the ribbon 2 Now replace the front lid Your printer should now be set up as shown in Figure 1 15 Figure 1 15 The printer with continuous feed paper When you turn on your Apex80 it remembers this top of form setting and uses it when any program tells it to move to the top of the next page If you later find that your word processing or other application program prints t...

Page 22: ... off the pins Then lay the paper over the front of the printer so you can reach the tractor feed unit 3 Grasp both sides of the tractor unit and gently lift up the front end This action unsnaps the front legs of the tractor unit and enables you to lift off the unit 4 Pull the paper guide toward you until it settles into an upright position for single sheet paper 5 Make sure that the paper release ...

Page 23: ...he back of each guide over the top of the paper guide as shown in Figure 1 13 Snap the bottom of each edge guide into place 2 Hold the paper guide so that it is in an upright position Then insert the legs of the guide into the slots on either side of the printer behind the paper slot as shown in Figure 1 16 Figure 1 16 Installing the paper guide 1 16 Setting Up ...

Page 24: ...cally just follow these steps 1 Push back the paper release lever See Figure 1 16 The single arrow icon behind the lever marks the position the lever should be in for loading single sheet paper 2 Turn on the printer 3 Make sure that the ON LINE indicator is off If it is not off press the touch sensitive panel labeled ON OFF LINE 4 Adjust the right edge guide to fit the sire of the paper 5 Slide th...

Page 25: ...s snap the lid shut when replacing the lid The front lid doubles as a paper bail holding the paper against the platen 8 If the paper is crooked and needs to be reloaded pull the paper release lever forward pull out the paper push the lever back turn the printer off and reload by beginning again at step 1 in the Automatic paper loading section above If the paper just requires minor adjustment then ...

Page 26: ...s the ON OFF LINE button once to turn it off Once the ON LINE light is off remove the sheet that has just been printed and load a new sheet in the same way as before Printing multi part forms and copies If you wish to print multi part forms or carbon copies use no more than three sheets or parts at a time with a total thickness of no more than 0 01 inches The factory setting for the paper thicknes...

Page 27: ...printing l The PAPER OUT light glows red to indicate that the printer is out of paper or the paper is loaded incorrectly If you try to print and the printer does not respond check to see if this light is on l The ON LINE light glows green when the printer can receive data The ON LINE light is located on the ON OFF LINE button Buttons The buttons or touch sensitive panels have several functions inc...

Page 28: ...ORM FEED button when the printer is ON LINE alternates the NLQ font between Roman and Sans Serif When NLQ Roman is selected the beeper sounds twice When NLQ Sans Serif is selected the beeper sounds three times l DRAFT LINE FEED When the printer is off line pressing this button advances the paper one line When the printer is on line pressing this button selects draft printing When you select draft ...

Page 29: ...rformed in NLQ mode as in step 4 below 3 When printing starts you can release the DRAFT button the printing continues until you turn the printer off or until the printer runs out of paper 4 To perform the same test in the NLQ mode load another sheet of paper Turn the printer off then turn it back on while holding down the NLQ button Sans Serif and Roman fonts alternate for this test Partial result...

Page 30: ...at a Centronics parallel interface is your computer manual or your dealer can tell you what you need Then once you have plugged your printer cable into your printer and computer you will probably never think about interfaces again If you do want the technical specifications however you can find them in Appendix F Follow these steps and refer to Figure 1 21 to connect your printer and computer 1 Ma...

Page 31: ... that your cable will not be loosened or unplugged accidentally 4 If your cable has a grounding wire fasten it to the grounding screw below the connector 5 Connect the other end of the printer cable to your computer On most computers you can easily find the correct connector for the printer cable but if you are not sure consult your computer manual 1 24 Setting Up ...

Page 32: ...r application program has a printer selection menu use the instructions below The rest of this chapter covers word processors spreadsheets graphics programs and programming languages Menu selections If your software has a printer selection menu simply choose Apex80 If the menu does not list this printer choose one of the following They are listed in order of preference LX 800 FX 86e EX 800 LX 86 L...

Page 33: ...or such functions as sounding the beeper and performing carriage returns Because the 33 control codes are not enough to control all possible printer functions most printer commands are actually a sequence of two or more codes One of the 33 control codes the escape code signals the beginning of a sequence of codes Therefore most printer commands are sequences of codes the first of which is the esca...

Page 34: ...te and print a document you may use many print styles and fonts add headers and footers and use bold italic and other effects Once you have installed your word processor by using the lists on page 2 1 you can ordinarily use a fixed set of printer features by using a word processor command to place markers around the text to be altered When the document is printed the markers are recognized and tra...

Page 35: ...iculty printing check the troubleshooting section in your word processor s manual and Appendix C of this manual Spreadsheets Although spreadsheets seldom use as many printing styles as word processors they do have some very specific requirements Installation and column width If your spreadsheet program provides a list of printers use the list on page 2 1 to find the proper selection If your spread...

Page 36: ... Then look in the Command Summary Appendix A in this manual to find the proper codes to send For example your spreadsheet might use a setup string to send printer commands To prepare a setup string for condensed elite you would look up the proper command in the Command Summary The command for elite is ESC M and the command for condensed is SI Because most spreadsheets use the decimal equivalent fo...

Page 37: ...ifferent dot densities to produce a realistic scale of grays Most graphics programs have a printer selection procedure in which case you should check the list on page 2 1 to find the proper selection Programming Languages Most users rely on application programs to send commands to the printer An awareness of programming languages however can be helpful in exploring a printer s potential or trouble...

Page 38: ...PRINT CHR 27 CHR 69 This line sends ASCII codes 27 and 69 to the printer selecting emphasized printing Most versions of BASIC permit the ASCII codes in the CHR function to be given in either decimal as above or hexadecimal Also if the code corresponds to a printable character the character itself can be used in quotation marks in the LPRINT statement The command shown above could therefore be give...

Page 39: ...lecType and select a typestyle then turn off SelecType and print Turning SelecType on 1 Make sure that the printer is on line 2 Hold down the ON OFF LINE button and press the FORM FEED button See Figure 3 1 When you turn on SelecType a short beep sounds and the ON LINE light blinks to indicate that the printer is in SelecType mode SelecType 3 1 ...

Page 40: ...press the ON OFFLINE button 3 Press the FORM FEED button to set the typestyle 4 Press the LINE FEED button to turn SelecType off The control panel returns to its normal functions but the printer is off line 5 Press the ON OFF LINE button and you are ready to print You can combine any of the modes listed in Table 3 1 when you are in draft mode except for emphasized and condensed In NLQ the two avai...

Page 41: ...ote Some application programs are designed to control all typestyle functions These programs cancel previous typestyle settings by sending certain printer codes before printing Because these codes cancel SelecType settings you will have to use the program s print options function instead of SelecType to select your typestyles Therefore if SelecType does not work with a particular application progr...

Page 42: ...art of a document print codes in the document may conflict with the SelecType modes l After you turn on a mode with SelecType it stays in effect until the printer is turned off or until you send a software command that overrides it In general software commands override SelecType settings If for example you use SelecType to print a document in emphasized type anything you print after that will be e...

Page 43: ... fonts The Apex80 has two levels of print quality draft and NLQ Near Letter Quality Draft printing is fast making it ideal for drafts and other preliminary work NLQ printing takes a little longer but it produces more fully formed characters for presentation quality documents The printout below shows the differences between draft NLQ Roman and NLQ Sans Serif so that you can compare the different st...

Page 44: ...sed The double wide mode doubles the width of any size of characters This mode is useful for such purposes as emphasizing headings in reports and making displays but is usually not suitable for large amounts of text Pica and elite are reduced to about 60 of their normal width with the condensed mode This mode is particularly useful for printing wide spreadsheets because condensed elite allows you ...

Page 45: ...n slightly to produce bolder text In emphasized mode the Apex80 prints each character twice as the print head moves across the paper with the second slightly to the right of the first This produces darker more fully formed characters In double strike mode the Apex80 prints each line twice with the second slightly below the first This makes the characters bolder While NLQ is in use however double s...

Page 46: ...ailable as soon as you turn the printer on The other important change you can make to the standard character set is to change some characters for ones commonly used in other languages chiefly European and Scandinavian such as accented characters and symbols Eight international character sets can be selected by setting DIP switches 1 6 to 1 8 USA French German UK Danish Swedish Italian and Spanish ...

Page 47: ...of them if you are using a printer installation program provided with an application package but most deal with features such as tabs margins and line spacing that are provided directly by commercial programs and are therefore only useful to you if you want to program the printer using a programming language such as BASIC Apex80 Printer Features 4 5 ...

Page 48: ...r that these characters are truly user defined you create what you need or want The procedure for designing a character is a simple three step process l Plan your character l Run one program to test your work and calculate the required DATA numbers l Run another program to put the character in your printer s RAM Random Access Memory for use whenever you need it Because the high resolution NLQ mode...

Page 49: ...ymbols that is not one of them First use a grid like the one in Figure 5 1 to plan where to place the dots Figure 5 1 Grid for designing draft characters Because the last two columns are reserved for the space between characters they are not included in the grid And since most characters do not use the bottom two rows there is a heavy line to indicate the usual lower limit for an Apex80 character ...

Page 50: ... but only one of the dots will be printed First definition program Once you have drawn your dots on the grid type in the following BASIC program and run it If you are using Applesoft BASIC see Appendix C 100 DIM F 9 110 FOR I 1 TO 9 120 PRINT WHICH ROWS HAVE DOTS IN COLUMN 1 130 INPUT R IF R 0 THEN 150 140 F I F I 2 R 1 150 IF R 0 THEN NEXT I ELSE GOTO 130 160 LPRINT CHR 27 CHR 0 CHR 0 CHR 0 170 L...

Page 51: ...irst Figure 5 3 shows the grid used to design the character Figure 5 3 Design for character Running the program Now run the program For each of the nine columns the program asks for the numbers of the rows in which you want dots to appear Enter the row numbers one at a time pressing the Enter key after each one When you have entered all the numbers for a column or when you want no dots in a column...

Page 52: ...after each number and one extra time to end the entries for each column 5 For column 5 enter 6 4 3 2 and 1 6 For column 6 press Enter only 7 For column 7 enter 8 6 4 and 2 8 For column 8 enter 7 and 5 9 For column 9 press Enter only Now wait a moment for your computer to calculate the dot patterns and your LX 800 to print the new character in two different typestyles Your printout also gives you n...

Page 53: ... LPRINT 100 K l IF K 3 THEN A 58 ELSE A 60 110 LPRINT CHR 27 CHR 0 CHR 0 CHR 0 120 LPRINT CHR 27 CHR l CHR 0 130 LPRINT CHR 27 CHR 0 CHR A CHR A 1 K 140 FOR Z l TO K 150 LPRINT CHR 128 160 FOR X 1 TO 9 170 READ R 180 LPRINT CHR R NEXT X 190 LPRINT CHR 0 CHR 0 200 NEXT Z 210 DATA 0 80 170 0 47 0 170 80 0 290 FOR P 58 TO 63 LPRINT CHR P NEXT P To use this program for your own character or characters...

Page 54: ...ted by your own program these two lines provide you with a key to the characters your Apex80 can now print When you press the key for one of the characters in the top row the printer prints the corresponding character in the bottom row In the example above if you type your Apex80 prints although your screen continues to show the character Because the program puts these new definitions in your prin...

Page 55: ...ontally you plan your designs on a different grid than the one you used for draft characters See Figure 5 5 Figure 5 5 Grid for NLQ characters On this grid you can use any numbered line or space As you can see that includes the bottom line and the line on the right side You should remember to leave one or two columns blank for space between characters however 5 8 User defined Characters ...

Page 56: ...le column to make clear how the data numbers are calculated Notice that in designing NLQ characters circles are used instead of dots to make it easier to keep track of overlapping dots Figure 5 6 Data numbers for one column To calculate the data numbers for this column you see which dots are used in the top group the top eight positions and add their values together Then you go down to the middle ...

Page 57: ...p the data number for that group is zero All zeros must be entered in the DATA statements for the NLQ definition programs Now you can learn how to use the NLQ character definition with a simple arrow design Figure 5 7 shows the design drawn on a grid and the data numbers printed at the top or bottom of each column Figure 5 7 Arrow design and data numbers 5 10 User defined Characters ...

Page 58: ...T CHR 27 CHR 0 130 DATA 4 0 0 8 0 0 16 0 0 32 0 0 140 DATA 64 0 0 255 255 192 64 0 0 32 0 0 150 DATA 16 0 0 8 0 0 4 0 0 0 0 0 YOUR CHARACTER IN PICA IN DOUBLE WIDE EMPHASIZED PICA When you run this program for your own character you can see if it looks right If not move the dots as needed recalculate and change the data numbers and run the program again Second NLQ definition program When you are s...

Page 59: ... 120 NEXT X NEXT Y 130 FOR X 58 TO 63 LPRINT CHR X NEXT X 140 DATA 4 0 0 8 0 0 16 0 0 32 0 0 150 DATA 64 0 0 255 255 192 64 0 0 32 0 0 160 DATA 16 0 0 8 0 0 4 0 0 0 0 0 When you run this program it prints six characters then redefines one or more of them and prints them again As with the draft characters you use this two line printout as a guide to the new characters your Apex80 can print You can ...

Page 60: ...rams use graphics you may be able to print pictures and graphs like the ones on this page and the next by simply giving your software a few instructions The quickest and easiest way to print graphics on your Apex80 is to use a commercial graphics program With such programs you usually create an image on your monitor and then give a command to send the image to the printer Introduction to Dot Graph...

Page 61: ...o understand dot graphics you need to know a little about how the Apex80 s print head works The Apex80 s print head has nine pins As it moves across the page electrical impulses cause the pins to fire Each time a pin fires it strikes the inked ribbon and presses it against the paper to produce a small dot As the head moves across the paper the pins fire time after time in different patterns to pro...

Page 62: ...e printer prints one line then advances the paper and prints another just as it does with text To keep the print head from leaving gaps between the graphics lines as it does between the text lines the line spacing must be changed to eliminate the space between lines With a change in line spacing the Apex80 can print finely detailed graphic images that give no indication that they are made up of se...

Page 63: ...m With this numbering system any combination of the eight pins adds up to a decimal number between 0 and 255 and no numbers are duplicated Before you can put these numbers in a graphics program however you need to know the format of the graphics commands Graphics Commands The graphics mode commands are quite different from most other commands For most of the other modes such as emphasized and doub...

Page 64: ...nch line Since the printer does not use decimal numbers larger than 255 the graphics commands use two numbers for reserving columns Because the commands are set up for two numbers you must supply two even if you need only one When you need fewer than 256 columns it is easy to determine n1 and n2 n1 is the number of columns you are reserving and n2 is zero For example to send data for 200 columns o...

Page 65: ... program If you prefer another programming language the principles are exactly the same Therefore you can easily adapt the program to the language you prefer The first line of the program specifies single density graphics for 40 columns 100 LPRINT CHR 27 K CHR 40 CHR 0 The second line is the data that is printed as pin patterns It uses the number 74 to produce one of the patterns shown in Figure 6...

Page 66: ...per format Printing taller patterns The next example shows how several lines of graphics can be formed into a figure taller than eight dots It uses programming techniques for producing textured or repetitive patterns The program is listed below The lines inside each pair of FOR and NEXT statements have been indented so that you can see how the program works the spaces are not needed for the progra...

Page 67: ...mand must be issued before each line Density Varieties Although all the examples so far in this chapter have been in the singledensity graphics mode there are six other eight pin densities and two that use all nine pins Nine pin graphics is not necessary for most uses but you can find the command ESC in the Command Summary Appendix A The four most common eight pin modes are ESC K ESC L ESC Y and E...

Page 68: ...odes however you must see that no dots overlap Reassigning a graphics mode Another graphics command lets you assign a different eight pin graphics mode to one of the specific eight pin graphics commands You can use it with graphics software programs to quickly change the density and proportions of your printouts Changing the graphics option changes the width without changing the height The command...

Page 69: ...t before beginning to place the dots you must decide which graphics density you want Figure 6 2 shows the differences between three common modes so that you can choose the one you want In this figure you can see the main rules for graphic design in the three densities l In single density no dots can be placed on vertical lines l In high speed double density dots can be placed on vertical lines but...

Page 70: ...rs for each pin pattern by dividing the design grid into separate print lines For the arrow design the grid was divided into two lines each seven dots high Then each column was examined to calculate the graphics data The results for the first line are shown in Figure 6 4 The pin values are on the left and the sums at the bottom of each column Figure 6 4 Calculating data Introduction to Dot Graphic...

Page 71: ...th lines 130 and 140 use the number 41 100 WIDTH LPT1 255 110 LPRINT CHR 27 A CHR 7 120 FOR ROW 1 TO 2 130 LPRINT CHR 27 Y CHR 41 CHR 0 140 FOR COLUMN 1 TO 41 150 READ N 160 LPRINT CHR N 170 NEXT COLUMN 180 LPRINT 190 NEXT ROW 200 END 210 DATA 64 32 80 8 68 2 64 0 64 0 220 DATA 64 0 64 0 32 0 16 0 8 0 230 DATA 8 0 8 0 8 0 8 0 8 0 8 0 8 0 240 DATA 184 64 32 16 8 4 2 250 DATA 8 16 40 64 136 0 8 0 8 ...

Page 72: ...cribes the commands They are divided into the following subjects Printer Operation Print Enhancement Data Control Word Processing Vertical Horizontal Motion Character Sets Overall Printing Style User defined Characters Print Size and Character Width Graphics In this appendix each command has a format section and a comment section The format section gives the ASCII decimal and hexadecimal values fo...

Page 73: ...single character to be sent to the printer For instance to print in condensed mode the code format is ASCII code S I Decimal 15 Hexadecimal OF More complex commands consist of two or more character codes For example to print in elite mode the code format is the following ASCII code ESC M n Decimal 27 77 n Hexadecimal 1B 4D n In this case n can be either 1 or 0 to begin or end elite printing You ca...

Page 74: ...ol in that column For example you press the control key and A at the same time to send the value 1 Some programs that use this system cannot use control and many programs use the control keys for other purposes Dec 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Hex 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B Control Key A B C D E F...

Page 75: ...ex Description Page A 10 A 17 A 18 A 13 A 15 A 11 A 10 A 22 A 21 A 7 A 21 A 7 A 22 A 10 A 11 A 22 A 21 A 9 A 20 A 29 A 29 A 3 1 A 25 A 16 A 13 A 13 A 14 A 14 Beeper Backspace Tab horizontally Line feed Tab vertically Form feed Carriage return Select double wide 1 line Select condensed mode Select printer Cancel condensed mode Deselect printer Cancel double wide 1 line Cancel line Delete character ...

Page 76: ...e spacing Set vertical tabs Set page length in lines Set page length in inches Set horizontal tabs Select emphasized mode Cancel emphasized mode Select double strike mode Cancel double strike mode Perform n 216 inch line feed Select single density graphics Select double density graphics Select elite pitch Set skip over perforation Cancel skip over perforation Select pica pitch Set right margin Int...

Page 77: ...II Dec Hex Description Page ESC 1 108 6C Set left margin A 16 ESC s 115 73 Turn half speed mode on off A 8 ESC t 116 74 Select character table A 26 ESC x 120 78 Select NLQ or draft A 19 A 6 Command Summary ...

Page 78: ...ecimal 17 Hexadecimal 1 1 Comments Returns the printer to the selected state if it has been deselected by the printer deselect code DC3 Does not select the printer if it has been switched off line by pressing the ON OFF LINE button DC3 Deselect Printer Format ASCII code DC3 Decimal 19 Hexadecimal 1 3 Comments Puts the printer into the deselected state until select printer code DCl is received The ...

Page 79: ... bidirectional This command selects unidirectional printing for one line only It is cancelled by a carriage return The print head moves to the extreme left home position and printing takes place from left to right ESCU Turn Unidirectional Mode On Off Format ASCII code ESC U n Decimal 27 85 n Hexadecimal 1 B 55 n Comments The following values can be used for n 1 Mode is turned ON The characters 0 a...

Page 80: ...proximately 3 4 of an inch from the end of the paper ESC EM Turn Cut Sheet Feeder Mode On Off Format ASCII code ESC EM n Decimal 27 25 n Hexadecimal 1 B 19 n Comments The following values can be used for n 4 Mode is turned ON 0 Mode is turned OFF The variables are the characters 0 48 decimal or 30 hex and 4 52 decimal or 34 hex Do not use 1 decimal 01 hex 4 decimal or 04 hex The command should not...

Page 81: ...ts Carriage Return Prints the data in the buffer and returns the print position to the left margin A line feed may be added if DIP switch 2 4 is ON or the AUTO PEED XT line on the parallel interface is held LOW CAN Cancel Line Format ASCII code CAN Decimal 24 Hexadecimal 18 Comments Removes all text on the print line but does not affect control codes A 10 Command Summary ...

Page 82: ...e FF Decimal 12 Hexadecimal 0 C Comments Prints the data in the print buffer and advances the paper to the top of the next form according to the current page length ESC C Set Page Length in Lines Format ASCII code ESC C n Decimal 27 67 n Hexadecimal 1B 43 n Comments Sets the page length to n lines in the current line spacing The value of n must be from 1 127 The top of form position is set to the ...

Page 83: ...ed between the last line printed on one page and the first line on the next page For example with the standard settings for line spacing l 6 inch and page length 66 lines ESC N 6 causes the Apex80 to print 60 lines and then skip 6 DIP switch 2 3 performs the same function This setting is cancelled by ESC O and also by ESC C or ESC C NUL The value of n must be from 1 127 ESC O Cancel Skipover perfo...

Page 84: ...ormat ASCII code E S C 0 Decimal 27 48 Hexadecimal 1B 30 Comments Sets the line spacing to l 8 of an inch for subsequent line feed commands The 0 is the character zero and not ASCII code 0 ESC l Format ASCII code ESC 1 Decimal 27 4 9 Hexadecimal 1 B 31 Comments Select 7 72 inch Line Spacing Sets the line spacing to 7 72 of an inch for subsequent line feed commands The 1 is the character one and no...

Page 85: ...Line Spacing Format ASCII code ESC 3 n Decimal 27 5 1 n Hexadecimal 1 B 33 n Comments Sets the line spacing to n 216 of an inch for subsequent line feed commands The 3 is the character three and not ASCII code 3 The value of n must be from O 255 ESC A Select n 72 inch Line Spacing Format ASCII code ESC A n Decimal 27 65 n Hexadecimal 1 B 41 n Comments Sets the line spacing to n 72 of an inch for s...

Page 86: ... tab setting in the channel selected by ESC If no channel has been selected channel 0 is used If no vertical tabs have been selected the paper advances one line ESC B Set Vertical Tabs Format ASCII code ESC B n1 n2 NUL Decimal 2 7 6 6 n 1 n 2 0 Hexadecimal 1B 42 n1 n2 00 Comments Sets up to 16 vertical tabs in the current line spacing Tab settings are not affected by subsequent changes in line spa...

Page 87: ...b Channel Format ASCII code ESC c Decimal 27 47 c Hexadecimal 1B 2F c Comments This command is used to select the vertical tab channel with the value of c from O 7 All subsequent VT commands use the channel selected by this command Margins ESC l Set Left Margin Format ASCII code ESC I n Decimal 27 108 n Hexadecimal 1B 6C n Comments Sets the left margin to n columns in the current pitch This comman...

Page 88: ...print position one space to the left Backspacing can be performed up to but not beyond the left margin setting The BS code is also ignored if ESC a 1 2 or 3 has been sent If this code is received immediately after graphics printing the print position of subsequent data cannot be assured ESC e Set Tab Increments Format ASCII code ESC e n S Decimal 27 101 n s Hexadecimal 1 B 65 n s Comments This com...

Page 89: ...ttings are at intervals of eight characters in the default pitch and tab positions are not affected by subsequent changes in character pitch ESC D Set Horizontal Tabs Format ASCII code E S C D n 1 n 2 N U L Decimal 2 7 6 8 n 1 n 2 0 Hexadecimal 1 B 4 4 n 1 n 2 0 0 Comments This command allows setting of up to 32 horizontal tabs which are entered as nl n2 n3 etc from 1 137 with the NUL character or...

Page 90: ...or n 0 Selects the draft mode The characters 0 and 1 1 Selects the Near Letter can also be used Quality NLQ mode ESC k Select NLQ Font Format ASCII code ESC k n Decimal 27 107 n Hexadecimal 1B 6B n Comments This command affects only the Near Letter Quality NLQ mode not draft The following values can be used for n 0 Roman 1 Sans Serif Command Summary A 1 9 ...

Page 91: ...0 1 Condensed 4 0 4 Emphasized 8 0 8 Double strike 1 6 1 0 Double wide 3 2 2 0 Italic 64 4 0 Underline 1 2 8 8 0 Pica cannot be combined with elite and emphasized cannot be condensed If both emphasized and condensed are selected emphasized overrides condensed Print Size and Character Width ESC P Select Pica Pitch Format ASCII code ESC P Decimal 27 80 Hexadecimal 1B 50 Comments Selects pica pitch 1...

Page 92: ...ints characters at about 60 percent of their normal width For example the condensed pica mode has 17 characters per inch ESC SI Format ASCII code ESC SI Decimal 27 15 Hexadecimal 1 B 0F Comments Duplicates the SI command Select Condensed Mode DC2 Cancel Condensed Mode Format ASCII code DC2 Decimal 18 Hexadecimal 12 Comments Cancels condensed printing set by SI ESC SI SelecType or DIP switch 1 1 Co...

Page 93: ...age return or DC4 Esc so Select Double wide Mode one line Format ASCII code ESC SO Decimal 27 14 Hexadecimal 1B 0E Comments Duplicates the SO command DC4 Format Cancel Double wide Mode one line ASCII code D C 4 Decimal 20 Hexadecimal 14 Comments Cancels one line double wide printing selected by SO or ESC SO but not double wide printing selected by ESC W or ESC A 22 Command Summary ...

Page 94: ...used Double wide mode doubles the width of all characters Print Enhancement E X E Select Emphasized Mode Format ASCII code ESC E Decimal 27 69 Hexadecimal 1B 45 Comments Makes text bolder by printing each dot twice with the second dot slightly to the right of the first ESC F Cancel Emphasized Mode Format ASCII code ESC F Decimal 27 70 Hexadecimal 1B 46 Comments Cancels emphasized the mode selected...

Page 95: ...ancel Double strike Mode Format ASCII code ESC H Decimal 27 72 Hexadecimal 1 B 48 Comments Turns off the double strike mode selected by ESC G ESC S O Select Superscript Mode Format ASCII code ESC S NUL Decimal 27 83 0 Hexadecimal 1B 53 00 Comments Prints characters about two thirds of the normal height in the upper part of the character space The ASCII code 0 or the character 0 can be used in this...

Page 96: ...It is cancelled with ESC T ESC T Cancel Superscript Subscript Format ASCII code ESC T Decimal 27 84 Hexadecimal 1B 54 Comments Cancels either superscript or subscript ESC Turn Underlining Mode On Off Format ASCII code ESC n Decimal 27 45 n Hexadecimal 1B 2D n Comments The following values can be used for n 1 Mode is turned ON The characters 0 and 1 0 Mode is turned OFF can also be used This mode p...

Page 97: ...or n 3 there must be no carriage returns within a paragraph Justification can be used in NLQ only not draft Character Sets ESC t Select Character Table Format ASCII code ESC t n Decimal 27 116 n Hexadecimal 1 B 74 n Comments The following values can be used for n 0 Selects italic character set 1 Selects Epson Character Graphics Selects which character table is to be used by codes 128 255 Selecting...

Page 98: ...character set to be printed This command is valid even if the Epson Character Graphics set has been selected by ESC t or DIP switch 1 3 but character graphics cannot be italicized ESC 5 Format ASCII code ESC 5 Decimal 2 7 5 3 Hexadecimal 1B 35 Comments Cancels the mode selected by ESC 4 Cancel Italic Mode Command Summary A 27 ...

Page 99: ... II 3 UK 8 Japan 12 Latin America 4 Denmark I ESC 6 Printable Code Area Expansion Format ASCII code ESC 6 Decimal 27 5 4 Hexadecimal 1 B 36 Comments Enables the printing of codes 128 through 159 decimal as characters not control codes See Appendix B for the characters that are printed when this command is used ESC 7 Cancel ESC 6 Format ASCII code ESC 7 Decimal 27 5 5 Hexadecimal 1B 37 Comments Thi...

Page 100: ...st be between 58 and 63 3A through 3F hex Esc Copy ROM into RAM Format ASCII code ESC NUL NUL NUL Decimal 27 58 0 0 0 Hexadecimal 1B 3A 00 00 00 Comments This code copies the characters in the ROM into RAM so that specific characters can be redefined ESC Select User defined Set Format ASCII code ESC n Decimal 27 37 n Hexadecimal 1B 25 n Comments ESC is required to define the character set before E...

Page 101: ...Double density Graphics Mode Format ASCII code ESC L n1 n2 Decimal 27 76 n1 n2 Hexadecimal 1B 4C n1 n2 Comments Turns on eight pin low speed double density graphics mode 120 dots per inch The total number of columns nl n2 x 256 ESC Y Select High speed Double density Graphics Mode Format ASCII code ESC Y n1 n2 Decimal 27 89 n1 n2 Hexadecimal 1B 59 n1 n2 Comments Turns on eight pin high speed double...

Page 102: ...aphics Mode Format ASCII code ESC m n1 n2 Decimal 27 42 m n1 n2 Hexadecimal 1B 2A m n1 n2 Comments Turns on graphics mode m See Chapter 6 for details on the available modes The total number of columns n1 n2 x 256 ESC Reassign Graphics Mode Format ASCII code ESC s n Decimal 27 6 3 S n Hexadecimal 1 B 3F s n Comments Changes one graphics mode to another The variable s is a character K L Y or Z which...

Page 103: ...m n1 n2 Hexadecimal 1B 5 E m n1 n2 Comments Turns on 9 pin Graphics Mode For this command the variable m defines density of print 0 for single and 1 for double The total number of columns nl n2 x 256 This mode requires two data items for each column of print A 32 Command Summary ...

Page 104: ...aracters for the 13 Epson international character sets The tables give a printout of each character and the codes in decimal and hexadecimal The first two pages of the table cover the standard ASCII character codes from 0 to 127 The remainder of the table shows up to four characters for each code Character Tables B 1 ...

Page 105: ...9 13 20 14 21 15 22 16 23 17 24 l a 25 19 26 1A 27 1B 28 1C 29 1D 30 1E 31 1F NUL BEL bell BS backspace HT tab horizontally LF line feed VT tab vertically FF form feed C R carriage return s o shift out SI shift in DC1 DC2 DC3 DC4 device control 1 device control 2 device control 3 device control 4 CAN E M cancel line end of medium ESC escape null B 2 Character Tables ...

Page 106: ...45 70 46 71 47 72 48 73 49 74 4A 75 48 76 4C 77 40 78 4E 79 4F 80 50 81 51 82 52 83 53 84 54 85 55 86 56 87 57 88 58 89 59 90 5A 91 5B 92 5C 93 5D 94 5E 95 5F A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ˆ 96 60 97 61 98 62 99 63 100 64 101 65 102 66 103 67 104 68 105 69 106 6A 107 6B 108 6C 109 6D 110 6E 111 6F 112 70 113 71 114 72 115 73 116 74 117 75 118 76 119 77 120 78 121 79 122 7A 12...

Page 107: ...D 142 8E 143 8F 144 90 145 91 146 92 147 93 148 94 149 95 150 96 151 97 152 98 153 99 154 9A 155 9B 156 9C 157 9D 158 9E 159 9F N U L à è ù ò ì i Ñ ñ Å å ç ß Æ æ Ø ø Ä Ö Ü ä ö ü É é Ç ü é â ä à å ç ê ë è ï î ì Ä Å É æ Æ ô ö ò û ù C A N E M ESC DC1 DC2 DC3 DC4 BEL BS HT LF VT FF C R s o SI NUL BEL BS HT LF VT FF C R s o SI DC1 DC2 DC3 DC4 CAN ÿ E M ö Ü ESC ƒ B 4 Character Tables ...

Page 108: ...2 A2 163 A3 164 A4 165 A5 166 A6 167 A7 168 A8 169 A9 170 AA 171 AB 172 AC 173 AD 174 AE 175 AF 176 B0 177 B1 178 B2 179 B3 180 B4 181 B5 182 B6 183 B7 184 B8 185 B9 186 BA 187 BB 188 BC 189 BD 190 BE 191 BF SP SP 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 á á í í ó ó ú ú ñ ñ Ñ Ñ i i Character Tables B 5 ...

Page 109: ...197 C5 198 C6 199 C7 200 C8 201 C9 202 CA 203 CB 204 c c 205 CD 206 CE 207 CF 208 DO 209 D1 210 D2 211 D3 212 D4 213 D5 214 D6 215 D7 216 D8 217 D9 218 DA 219 DB 220 DC 221 DD 222 DE 223 DF A A B B C C D D E E F F G G H H I I J J K K L L M M N N O O P P Q Q R R S S T T U U V V W W X X Y Y Z Z ˆ ˆ B 6 Character Tables ...

Page 110: ...E4 229 E5 230 E6 231 E7 232 E8 233 E9 234 EA 235 EB 236 EC 237 ED 238 EE 239 EF 240 FO 241 F1 242 F2 243 F3 244 F4 245 F5 246 F6 247 F7 248 F8 249 F9 250 FA 251 FB 252 FC 253 FD 254 FE 255 FF a a b b c c d d e e f f g g h h i i j j k k l l m m n n o o p p q q r r s s t t u u v v w w x x y y z z DEL Ø Character Tables B 7 ...

Page 111: ...ts together with the number to use with ESC R to select each one The DIP switch combinations to select any of the first eight character sets are in Appendix D Note that once a character set has been selected italic versions of these characters can also be printed by using the ESC 4 command Table B 2 International characters 35 36 64 91 92 93 94 96 123 124 125 126 0 USA 1 France 2 Germany 3 UK 4 De...

Page 112: ...oblems are listed on the left and solutions on the right Problem Printer does not print Solution Make sure that the printer is turned on and is on line Both the POWER and ON LINE lights should be on Make sure that the printer and computer are connected Be certain you are using the correct cable If the printer still does not print try the self test procedure see Chapter 1 If the self test works cor...

Page 113: ...his appendix This can usually be corrected by changing the setting of DIP switch 2 4 If that does not solve the problem you may need a different cable Can t get condensed print Horizontal tabs don t work Horizontal tabs are incorrect when changing pitch If they are international characters check the settings of DIP switches 1 6 to 1 8 If they are graphics characters see that your software is corre...

Page 114: ...hth pin 128 If you have a 7 bit computer and any of your graphics data numbers are larger than 127 change the design so that all numbers are less than 128 Be sure that no other commands or carriage returns come between the graphics command and its data The printer expects a certain number of pin patterns determined by n1 and n2 It does not print until the quota is full Note that 9 pin graphics mod...

Page 115: ... off and check to see that the paper is loaded correctly If the paper is loaded correctly turn the printer back on and try to print again If the printer beeps and does not print again take it to a qualified service person Data Dump Mode The Apex80 has a special feature that makes it easy for experienced printer users to find the causes of problems Called the data dump mode it gives a printout of e...

Page 116: ...A F G H I E 0001 5 3 61 6D 7 0 6C 6 5 2 0 7 4 6 5 7 8 74 OD OA 1B 4 0 OD Sample text 0 0 0 2 0 A You can consult Appendix A or the Quick Reference card to see the meaning of the hexadecimal codes Here is an explanation of the first line to put you on the right track for using the data dump mode The first code in line 0000 is hex 46 which is the same as decimal 70 which is the code for F therefore ...

Page 117: ... before it sends them to the printer For example the line below is the first line of the printout of the test program run on a system that changes hex 09 which is the code for horizontal tabbing to several 20s the code for a space Therefore you know that if you use this system you must be careful about sending a decimal 9 hex 09 0000 00 01 02 03 04 05 06 07 08 20 20 20 20 20 20 20 The data dumping...

Page 118: ...n your system A fourth approach is to change the printer driver program in your system You should take this approach only if you have a working knowledge of machine language and of the way your computer works Solutions for Specific Systems The next four subsections illustrate dealing with interface puzzles on four types of computers Applesoft BASIC solutions Applesoft BASIC does not use PRINT to s...

Page 119: ...ing line to the printer PR l PRINT CHR 9 80N Then type anything followed by RETURN The CHR 9 80N code directs all subsequent output to the printer up to 80 characters per row You can cancel this by typing PRINT CHR 9 I or PR 0 The problem is that the Apex80 uses CHR 9 to activate horizontal tabulation and can also use it in graphics programs When you send this code however your system interprets i...

Page 120: ...ad you must use a PRINT 1 command PRINT l Now I can print anything This does allow you to print anything but it ignores any previous WIDTH statement If you want to print more than 80 characters per line in a graphics program you must change your opening statement to include the appropriate WIDTH statement OPEN LPTl AS l WIDTH l 255 And for the programs in this manual don t forget to use PRINT l wh...

Page 121: ...ad should last about 200 million strokes When the print head fails one or more of the pins may fire erratically or stop firing completely making the printout patchy If this happens suddenly or long before the expected lifetime is over the problem is almost certainly connected with another component of the printer Replacing the print head As soon as the print head fails stop using the printer and o...

Page 122: ...ure C 1 Releasing the print head lock levers 6 Lift the print head from its position and carefully disconnect the flat cable from the print head as shown in Figure C 2 Problem Solving and Maintenance C 1 1 ...

Page 123: ...le 7 Connect the new print head to the flat cable and place the new print head in the head mount as shown in Figure C 3 Be sure to tuck the flat cable into the cable support as shown in the figure C 1 2 Problem Solving and Maintenance ...

Page 124: ...Figure C 3 lnstalling the new print head 8 Move the head lock levers back to their original positions Now your new print head is ready to use Problem Solving and Maintenance C 1 3 ...

Page 125: ...spacing is set to l 6 inch horizontal tabs are set at every eighth position and vertical tab channel 0 is selected l The page length and skip over perforation are set according to DIP switches 2 1 and 2 3 and the top of form position is set to the current line l The ROM characters are selected and the Epson mode character table and international character set are reset according to DIP switches 1 ...

Page 126: ...e D 1 DIP switch 1 1 is the switch at the far left side and the one at the far right is DIP switch 2 4 You can easily reset the switches with a thin pointed object such as a small screwdriver or the cap of a ballpoint pen Note When you change a DIP switch setting turn off the power reset the switch or switches then turn on the power again The printer checks and recognizes new settings only at the ...

Page 127: ...le D 3 Table D 2 DIP switch group 2 Switch Action n u m b e r Function Action when ON w h e n O F F 2 1 Select page length 12 inch 11 inch 2 2 Select cut sheet feeder mode Selected Not selected 2 3 Skip over perforation 1 inch N o n e 2 4 A d d l i n e c a r r i a g e r e t u r n C R L F CR only Note The factory setting for all switches except 1 6 1 7 and 1 8 is OFF International Character Sets Th...

Page 128: ...The DIP switch settings to select the different character sets are shown in Table D 3 Table D 3 Internatinal settings D 4 Defaults and DIP Switches ...

Page 129: ...ith baud rate selectable between 75 and 9600 Intelligent serial interface Intelligent IEEE 488 interface Choosing an Interface This section describes the interfaces IEEE 488 and Apple interfaces The IEEE 488 system allows you to connect computers printers and other peripherals so that they can share data freely The Apple II II and IIe computers do not have a printer interface as a standard feature...

Page 130: ... up on your body 1 Turn off the power to both the printer and the computer and unplug the power cable and disconnect the interface cable from the printer 2 Remove the printer lid tractor unit if installed paper rest if installed and paper guide 3 Remove the cut sheet feeder if one is installed 4 Remove the ribbon 5 To remove the upper case of the printer insert a blade screwdriver into each of the...

Page 131: ... 1 Removing the cover 6 Slightly raise the upper case by its front As you do this be careful not to pull the flat cable out of the control panel in the upper case Choosing and Setting Up Optional Interfaces E 3 ...

Page 132: ...connector See Figure E 2 Figure E 2 Disconnecting the control panel cable After you remove the case follow the instructions below to insert the interface board After you have inserted the board replace the case by reversing steps 2 through 7 E 4 Choosing and Setting Up Optional Interfaces ...

Page 133: ...move the cover to allow access to the new interface connector when the case is reassembled Figure E 3 connector cover 2 The screw marked CG at the rear of the circuit board is the connection for the frame ground wire Unscrew it and then use it to connect the frame ground wire as shown in Figure E 4 Figure E 4 Connecting the frame ground wire Choosing and Setting Up Optional Interfaces E 5 ...

Page 134: ...to the connector marked CN2 on the main circuit board of the printer Secure the board to the three supports with the screws provided as shown in Figure E 5 Figure E 5 Securing the board E 6 Choosing and Setting Up Optional Interfaces ...

Page 135: ...ag on the interface board as shown in Figure E 6 Figure E 6 Connecting ground wire to FG terminal tag 6 Reassemble the printer reversing the procedure described in steps 2 through 7 in the previous section Choosing and Setting Up Optional Interfaces E 7 ...

Page 136: ...ssential that the printer and computer use compatible protocols If you can change the settings on the computer rather than the interface board because the interface is set up at the factory to give optimum performance in a wide range of conditions If your dealer has installed the interface for you he or she should also be able to adjust the computer and interface to achieve a good match If you do ...

Page 137: ...printing Unidirectional for graphics and by software command for text Character sizes All except superscript and subscript are 3 1 mm high The widths and characters per inch CPI are given below Mode Width mm CPI Mode Width mm CPI Pica 2 1 10 Condensed Pica 1 05 17 Elite 1 5 12 Condensed Elite 1 05 20 Line spacing l o inch or programmable in increments of 1 216th of an inch Paper Number of copies O...

Page 138: ...rokes per needle Dimensions and Weight Height excluding tractor 3 5 in Width with paper feed knob 15 7 in Depth 12 1 in Weight including tractor 11 2 lbs Electrical Voltage 120V AC Power consumption 70 VA maximum Frequency 49 5 Hz 60 5 Hz Insulation resistance 10 Mohms between AC power line and chassis Dielectric strength Can withstand 1 kV rms applied between AC line and chassis for 1 minute or 1...

Page 139: ... 1 Pins and signals Signal Return Pin Pin 1 19 2 20 3 2 1 4 2 2 5 2 3 6 2 4 7 25 8 26 9 27 1 0 2 8 Signal STROBE DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 I N DATA 8 IN Direc tion Description IN STROBE pulse to read data in Pulse width must be more than 0 5 microseconds at the receiving terminal IN These signals represent information of IN the 1st to 8th bits of parallel data IN respectivel...

Page 140: ...Table F 1 Pins and signals continual Notes 1 The column heading Direction refers to the direction of signal flow as viewed from the printer F 4 Technical Specifications ...

Page 141: ... 2 microseconds 4 Data transfer must be carried out by observing the ACKNLG or BUSY signal Data transfer to this printer can be carried out only after receipt of the ACKNLG signal or when the level of the BUSY signal is LOW Data Transfer Sequence Interface timing Figure F 1 shows the timing for the parallel interface Printing enabled disabled signals and control conditions Table F 2 on the next pa...

Page 142: ...N LINE HIGH DC1 RECV D HIGH HIGH LOW PULSED EA CHAR ON LINE HIGH DC3 RECV D HIGH HIGH LOW PULSED EA CHAR OFF LINE HIGH LOW DC1 DC3 no effect no effect LOW HIGH NOT GENERATED Printing Disabled enabled ENABLED normal cond ENABLED DISABLED DISABLED Even though printing is disabled data characters are received and acknowledged since the printer is looking for another DC1 character which would allow it...

Page 143: ...s B 1 8 Commands 2 2 7 4 1 5 A 1 32 Commands by function A 7 32 in numerical order A 4 6 Computer printer communication 2 2 3 connection 1 23 24 Condensed 3 2 4 2 3 Connecting printer to computer 1 23 24 Continuous feed paper 1 2 1 7 15 Control codes 2 2 See also Commands Control keys A 3 Control panel 1 19 22 D Data dump C 4 6 Defaults D 1 DIP switches 4 1 2 4 4 D 2 4 Dot graphics 2 6 6 1 12 Doub...

Page 144: ...s 1 19 N Near Letter Quality NLQ mode 1 20 22 4 1 NLQ Form Feed button 1 21 O ON LINE light 1 20 ON OFF LINE button 1 21 P Panel See Control panel Paper See Continuous feed paper or Single sheet paper Paper feed knob 1 1 1 3 Paper guide 1 7 1 12 14 1 15 17 PAPER OUT light 1 20 Paper release lever 1 9 1 17 Paper rest 1 7 8 Paper thickness lever 1 19 Parallel interface See Interface parallel Pica 4 ...

Page 145: ...mands See Commands Specifications F 1 6 Spreadsheets 2 4 6 Subscripts 4 3 Superscripts 4 3 T Technical specifications F 1 6 Toll free number 2 C 1 C 10 Top of form 1 14 15 Tractor unit 1 7 10 1 15 See also Continuous feed paper Tractor unit slot cover 1 7 8 Troubleshooting C 1 9 U Underlining 4 3 User defined characters 5 1 12 W Word processors 2 3 4 Index Index 3 ...

Page 146: ......

Page 147: ...ackspace Set tab increments Horizontal vertical skip Tab horizontally Set horizontal tabs Overall printing style ESC x 120 78 Select NLQ or draft ESC k 107 6B Select NLQ font ESC 33 21 Master select Print size ESC P 80 50 ESC M 77 4D SI 15 0F ESC SI 15 0F DC2 18 12 s o 14 0E ESC SO 14 0E DC4 20 14 ESC W 87 57 Select pica pitch Select elite pitch Select condensed mode Select condensed mode Cancel c...

Page 148: ...ect print quality NLQ Draft 1 6 Select international character set 1 7 See Table 3 1 8 Table 2 DIP switch group 2 Switch Action number Function Action when ON when OFF 2 1 Select page length 12 inch 11 inch 2 2 Select cut sheet feeder mode Selected Not selected 2 3 Skip over perforation 1 inch None 2 4 Add line feed after carriage return CR LF CR only Character set USA French German U K Danish Swe...

Page 149: ...Setting up Printer Features Graphics User defined Characters EPSON AMERICA INC 2780 Lomita Boulevard Torrance California 90505 Printed in Japan 87 08 20 ...

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