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Figures

1-1

The

LQ-800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2

The LQ-1000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2

1-3

Installing

the

paper feed knob . . . . . . . . . . . . . . . .

1-3

1-4

Tightening

the

ribbon . . . . . . . . . . . . . . . . . . . . . . .

1-5

Loading the LQ-800 ribbon cartridge . . . . . . . . . .

1-6

the

LQ-1000 ribbon cartridge . . . . . . . . .

1-6

1-7

Positioning the ribbon . . . . . . . . . . . . . . . . . . . . . .

1-7

1-8

Installing the single-sheet guide . . . . . . . . . . . . . . .

1-9

Loading single-sheet paper . . . . . . . . . . . . . . . . . . .

1-10

Paper thickness lever . . . . . . . . . . . . . . . . . . . . . . .

1-12

1-11

Turning on

the

power switch . . . . . . . . . . . . . . . . .

1-13

1-12

The LQ control panel . . . . . . . . . . . . . . . . . . . . . . .

1-14

1-13

LQ self test in draft and Letter Quality modes . . .

1-17

1-14

Connecting a parallel interface cable . . . . . . . . . . .

1-18

2-1

Preparing the printer for installation . . . . . . . . . . .

2-1

2-2

Installing the cut sheet feeder . . . . . . . . . . . . . . . . .

2-2

2-3

Installing the small brackets . . . . . . . . . . . . . . . . . .

2-3

2-4

Installing the large bracket . . . . . . . . . . . . . . . . . . .

2-4

2-5

The LQ-1000 model . . . . . . . . . . . . . . . . . . . . . . . .

2-5

2-6

Paper support and paper loading lever . . . . . . . . .

2-6

2-7

Loading paper; adjusting the right paper guide . .

2-7

2-8

Turning the power on . . . . . . . . . . . . . . . . . . . . . . .

2-9

Removing the cut sheet feeder . . . . . . . . . . . . . . . .

2-11

3-1

Continuous-feed paper with printer stand . . . . . .

3-1

3-2

Continuous-feed paper without stand . . . . . . . . . .

3-2

3-3

Installing the tractor unit . . . . . . . . . . . . . . . . . . . .

3-2

3-4

Preparing for paper loading . . . . . . . . . . . . . . . . . .

3-3

3-5

Moving the pin-feed holders . . . . . . . . . . . . . . . . .

3-4

3-6

Opening

the

pin-feed covers . . . . . . . . . . . . . . . . . .

3-5

3-7

Installing the paper shelf . . . . . . . . . . . . . . . . . . . . .

3-5

3-8

Loading paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6

3-9

Fitting the paper over the pin feeds . . . . . . . . . . . .

3-7

3-10

Top-of-page position . . . . . . . . . . . . . . . . . . . . . . . .

3-8

3-11

Installing

the

paper separator . . . . . . . . . . . . . . . . .

3-9

3-12

Installing the tractor cover . . . . . . . . . . . . . . . . . . .

3-10

3-13

Removing

the

optional tractor unit . . . . . . . . . . . .

3-11

vii

Содержание LQ-1000 - Impact Printer

Страница 1: ......

Страница 2: ...EPSON LQ 800 and LQ 1000 Printers User s Manual ...

Страница 3: ...ems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 WARNING The connection of a non shielded printer interface cable to this printer will invali date the FCC Certification of this device and may cause interference levels which exceed the limits established by the FCC for this equipment If this equipment has more than one interface conn...

Страница 4: ...QUALITY LINE FEED DRAFT Selecting the Letter Quality or Draft Mode Running the Self Test Connecting Your Printer to Your Computer The parallel interface The serial interface Printing Your First Document 1 1 1 1 1 3 1 4 1 5 1 8 1 8 1 8 1 9 1 12 1 12 1 14 1 14 1 15 1 15 1 16 1 16 1 17 1 18 1 18 1 19 The Cut Sheet Feeder Installing the Cut Sheet Feeder Preparing the Paper for Loading Loading Paper Se...

Страница 5: ...inter 5 4 Basic Widths 5 5 Pica printing 5 5 Elite printing 5 5 Fifteen mode printing 5 5 Letter Quality and Draft 5 6 Cancelling Modes 5 6 Resetting the Printer 5 6 Disabling a program s reset code 5 7 Print Quality Command 5 8 Other Widths 5 8 Double width printing 5 8 Condensed printing 5 9 Print Enhancements 5 10 Emphasized mode 5 10 Double strike 5 11 Underline mode 5 12 Proportional mode 5 1...

Страница 6: ...6 Using hand calculated data to print graphics 6 7 Individual graphics options commands 6 10 Reassigning command 6 10 User Defined Characters 6 11 Design grids 6 11 Defining Your Own Characters 6 13 Data numbers 6 13 Sending information to the LQ 6 14 Printing User Defined Characters 6 16 Copying ROM to RAM 6 17 Letter Quality characters 6 18 Proportional mode characters 6 18 Superscripts and subs...

Страница 7: ...sing the Problem Beeper Error Warnings Hex Dump Mode IBM PC BASIC Solutions Applesoft BASIC Solutions QX 10 and QX 16 Solutions Maintenance Changing the print head Widths of the Proportional Characters The Parallel and Serial Interfaces Choosing and Setting Up Optional Interfaces Technical Specifications Command Summary A 1 B 1 C 1 C 2 C 3 C 3 D 1 D 1 D 4 D 4 D 6 D 7 D 8 D 8 D 8 E 1 F 1 G 1 H 1 I ...

Страница 8: ... cut sheet feeder 2 2 2 3 Installing the small brackets 2 3 2 4 Installing the large bracket 2 4 2 5 The LQ 1000 model 2 5 2 6 Paper support and paper loading lever 2 6 2 7 Loading paper adjusting the right paper guide 2 7 2 8 Turning the power on 2 9 2 9 Removing the cut sheet feeder 2 11 3 1 Continuous feed paper with printer stand 3 1 3 2 Continuous feed paper without stand 3 2 3 3 Installing t...

Страница 9: ...Grids for super subscript characters 6 19 A 1 The DIP switch panels A 1 C 1 C 2 D 1 Print head replacement D 9 D 2 Removing the ribbon cables D 10 F 1 Parallel interface timing F 3 G 1 Removing the upper case G 3 G 2 Removing the control panel G 4 G 3 Main circuit board G 5 G 4 Interface board mounted on main circuit board G 6 Plugging the identity and font modules together Installing an option ca...

Страница 10: ...ths 6 19 A 1 DIP switch panel 1 A 3 A 2 DIP switch panel 2 A 4 A 3 International DIP switch settings A 5 A 4 Interface selection A 5 A 5 Baud rate selection A 5 C 1 E 1 Proportional character widths E 1 F 1 F 2 F 3 G 1 Baud rate settings for 8143 G 7 G 2 Baud rate settings for 8148 G 7 G 3 Baud rate settings for 8149 G 8 G 4 Parity check settings for 8143 G 8 G 5 Parity check settings for 8148 G 8...

Страница 11: ...ersatility and reliability of Epson products with a wide range of exciting new features l You can select either the Letter Quality or draft typestyle with a touch of a front panel button there are no codes to learn l The 24 pin print head produces sharp crisp draft characters and Letter Quality characters that look like they came from a type writer l The LQ has built in connectors for both paralle...

Страница 12: ... steps take you from unpacking through ribbon and paper loading to printing your first document Easy to read tabs make it simple for beginners or experienced users to find information Additional sections describe how to use your new printer with word processors create graphics define your own char acters and more If you are familiar with earlier Epson manuals you ll find two terms changed to make ...

Страница 13: ...of the illustrations in this manual show only the LQ 800 If there is a difference that you need to know about a separate illustration shows the LQ 1000 1 Unpacking Your Printer First remove the printer from the box and take off all outside plastic covering and foam supports See that you have received all the parts shown in the illustrations on the next page You ll find the paper feed knob inserted...

Страница 14: ...Figure 1 1 The LQ 800 Figure 1 2 The LQ 1000 1 2 ...

Страница 15: ... the print head to the center of the LQ and remove the small bumper on the left side of the print head There is a clear plastic overlay on the control panel to protect it from scratching and discoloration It s up to you whether you remove the overlay or leave it on Installing the paper feed knob Next install the paper feed knob To install the knob simply push it onto the shaft on the right side of...

Страница 16: ...a grounded outlet one that has three holes to match the power plug on the printer Don t use an adapter plug l Avoid using electrical outlets that are controlled by wall switches if you accidentally turn off a switch you could wipe out valuable information and stop your printing l Keep your printer and computer away from base units for cordless telephones l Avoid using an outlet on the same circuit...

Страница 17: ...e middle of the platen WARNING The power must be OFF when moving the print head Moving the print head when the power is ON may damage your printer If you ve been using your printer just before changing the ribbon cartridge be careful not to touch the print head because it becomes hot during use 2 Before loading the cartridge into the printer turn the small knob on top in the direction of the arrow...

Страница 18: ...ower the cartridge into the printer guiding the two square pins on each end of the cartridge into the slots in the printer frame as shown in Figures 1 5 and 1 6 Press firmly on each end of the cartridge to make sure the pins are firmly seated in the slots Figure 1 5 Loading the LQ 800 ribbon cartridge Figure 1 6 Loading the LQ 1000 ribbon cartridge 1 6 ...

Страница 19: ...the print head as shown in Figure 1 7 There is also a diagram on the top of the ribbon cartridge itself Figure 1 7 Positioning the ribbon 5 With the cartridge in place again turn the ribbon knob in the direc tion of the arrow to tighten the ribbon And that s it the ribbon is now installed 1 7 ...

Страница 20: ...t of the printer To install a new ribbon follow the preced ing steps 4 Loading Single Sheet Paper When you receive your LQ it is set up to print on single sheets of paper Even if you have purchased one of the optional paper feed ing systems the cut sheet feeder or the tractor unit you should first complete the remaining setup steps before installing either of the optional systems It is much easier...

Страница 21: ...pin into the other notch as shown in Figure 1 8 Figure 1 8 Installing the single sheet guide The edge tab on the left side of the guide is movable with a click stop for its middle position For standard sized 8 inch wide paper see that the tab is in the click stop position Loading the paper Loading single sheet paper in the LQ is simple it s just like loading paper in a typewriter 1 9 ...

Страница 22: ...aten Figure 1 9 Loading single sheet paper 3 Insert a single sheet of paper behind the platen as shown in Figure 1 9 Put the left edge of the paper against the edge tab on the single sheet guide 4 With the power OFF use the paper feed knob to roll the paper into the printer far enough to be held by the paper bail If the power is ON use the LINE FEED button as described in Step 6 5 Push the paper b...

Страница 23: ...t 55 lines but the LQ only prints 53 lines before ejecting the page there is a difference of two lines 2 You now have three choices a Compensate for the two line difference when rolling the paper into the printer b Use the installation procedure on your word processor to change the default page length c Use commands in your word processing program to alter the page or margin lengths in each file t...

Страница 24: ...ive your LQ the lever is set for standard paper thick ness about 1 500th of an inch with the small arm on the paper thick ness lever set in the notch shown in Figure 1 10 For thicker paper or multiple copies pull the lever toward the front of the printer To return the lever to the standard position push it back until it clicks into the standard setting 5 Turning On the Power With the ribbon and pa...

Страница 25: ...er is turned ON l The print head moves back and forth and stops at the left side of the printer l The printer is initialized any previous settings are erased and the printer is reset to its default or preset values See Appendix I for a list of default values l The three green lights on the control panel POWER READY and ON LINE go on The red PAPER OUT light does not go on unless the printer is out ...

Страница 26: ...e active when the printer is off line The printer is on line when the ON LINE light is on it is off line when the ON LINE light is off Figure 1 12 The LQ control panel OFF LINE ON LINE OFF LINE If you press this button when the green light beside it is on the ON LINE and READY lights go off the print head moves to the center of the platen and the printer is set off line the power is still on but t...

Страница 27: ...er Quality see Step 7 The printer beeps twice to acknowledge the Letter Quality selection You can select the Letter Quality typestyle with this button only when the printer is on line LINE FEED DRAFT LINE FEED Pressing this button advances the paper one line at a time either while you re loading paper or when you re adjusting where you want printing to begin If you hold this button down the paper ...

Страница 28: ...s the default typestyle the style in effect when you turn the power on See Appendix A for details l Software command You can also switch between the Letter Qual ity and draft modes by sending a command to the printer as explained in Chapter 5 These three choices allow you to tailor the LQ to your printing needs If you find you use the Letter Quality mode most of the time you can leave the settings...

Страница 29: ... all of the characters in the selected character set The self test continues until you turn the printer off or until it runs out of paper Draft Letter Quality Figure 1 13 LQ self test in draft and Letter Quality modes 9 Connecting Your Printer to Your Computer Your LQ printer comes equipped with separate connections for both serial and parallel interfaces so be sure to use the type your computer r...

Страница 30: ... ready to print The parallel interface does not require any additional settings The serial interface If your computer is equipped with a serial interface you should use an Epson serial interface cable 8239 for the Apple IIc 8293 for the Apple IIe or Epson QX 16 and 8294 for the IBM PC Plug the cable into the connector to the right of the parallel connector When using the serial interface you need ...

Страница 31: ...perly installed Make sure the ribbon is in front of the print head not riding above it q Have you loaded the paper correctly Read Chapter 2 or 3 if you are using the optional cut sheet feeder or tractor unit q Are the green POWER ON LINE and READY lights on the con trol panel ON If not press the ON LINE button to place the LQ on line If the red PAPER OUT light is ON check that you ve loaded the pa...

Страница 32: ...tion and DIP switch 1 7 to the OFF position to select the cut sheet feeder See Appendix A for information on resetting the DIP switches 3 Remove the front cover that came installed on your LQ by tilting it up and lifting it off the printer Replace it with the new cover included with the cut sheet feeder as shown in Figure 2 1 Leave the new cover in an upright position so you can see inside the pri...

Страница 33: ... 5 Pull the paper bail away from the platen the black roller as shown in Figure 2 1 The paper bail should remain in this position when ever the cut sheet feeder is installed 6 Now locate the rear mounting pins on the LQ as shown in Figure 2 2 The rear notches on the cut sheet feeder unit rest on these mounting pins Figure 2 2 Installing the cut sheet feeder 2 2 ...

Страница 34: ... place Note When the cut sheet feeder is properly installed it is possible to tilt it forward slightly but you cannot remove it from the printer without pressing the release levers If you can remove the cut sheet feeder by simply lifting it off the LQ reread the installation instructions paying special attention to setting the rear notches of the feeder on the rear mounting pins of the printer 10 ...

Страница 35: ...e metal slots on the bottom of the cut sheet feeder and make sure the bracket fits into the retaining clips on the upper part of the stacker Figure 2 4 Installing the large bracket For the LQ 1000 model there are two large brackets Install them both as described above and also install the paper stand shown in Figure 2 5 2 4 ...

Страница 36: ...ly 2 The cut sheet feeder holds a maximum of 60 sheets of standard weight 20 lb paper If you use a lighter or heavier weight of paper compensate accordingly If more than one sheet of paper is being loaded at a time remove some of the paper from the paper bin 3 Loosen the paper stack by rifling through it a couple of times then tap it on a flat surface to make it even 2 5 ...

Страница 37: ... paper guide with the arrow stamped into the metal lip of the stacker as shown in Figure 2 6 Figure 2 6 Paper support and paper loading lever 2 Pull the paper loading lever forward until it locks in the open posi tion as shown in Figure 2 6 2 6 ...

Страница 38: ...edge of the stack of paper but leave a little room so the paper doesn t bind Make sure the paper is behind the angled metal tabs at the bottom of the left and right paper guides Figure 2 7 Loading paper adjusting the right paper guide 4 Push the paper loading lever back and the stack of paper is pushed forward against the two feeder rollers 2 7 ...

Страница 39: ... to find these settings and how to change them The following is an example of a typical conversion To maintain 55 printed lines per page Continuous feed Cut sheet settings feeder settings Change Page Length from 66 to 6 1 Change Top Margin from 3 default to 0 Change Bottom Margin from 8 default to 6 Many word processors give you two choices in changing these set tings 1 You can change the settings...

Страница 40: ...s on The PAPER OUT light remains on until paper is fed into the printer 3 Now print a document with your word processor as you normally would When you print a document l The print head moves to the center of the platen to facilitate paper loading l The feeder rollers feed one sheet of paper into the printer and position the page with a one inch margin at the top See the previous note Setting up yo...

Страница 41: ...used paper from the bin take the printer off line then use the FORM FEED button to eject the last sheet of paper If you press FORM FEED without removing the remaining paper from the bin another sheet is loaded You can also shut the power OFF then use the manual paper feed knob to roll the remaining sheet out of the printer Caution When the power is ON you should use only the FORM FEED or LINE FEED...

Страница 42: ...set DIP switch 1 8 from ON back to OFF Don t forget to turn the power OFF then ON again so the printer will record the new setting Reset DIP switch 1 7 skip over perforation if you re using continuous feed paper l Check any settings you might have changed in your word processor to compensate for the cut sheet feeder l Replace the original front cover if you re loading individual sheets of paper yo...

Страница 43: ...s pulled away from the platen Review the installation instructions Make sure the cable is properly connected to the printer and com puter Check that DIP switch 1 8 is ON and 1 7 is OFF and that the printer has been switched OFF then ON again to recognize the settings Review the paper loading instruc tions you must open the paper loading lever first then set the paper on the paper shelf If you set ...

Страница 44: ... word processor may not be set up properly Review Setting up your word processor for a cut sheet feeder Make sure the arrow on the left paper guide is aligned with the arrow stamped on the lip of the stacker Check that there s enough room in the stacker If not remove some of the printed sheets More than one sheet of paper may have been loaded which causes the paper to eject unevenly Make sure that...

Страница 45: ...t and paper lint First turn the power OFF and remove the cut sheet feeder from the printer Then use a soft brush to clean the inside areas Make sure the gray rollers are kept free of dust so that the paper feeds evenly If you have any problems contact your authorized Epson dealer 2 14 ...

Страница 46: ...ing Up the LQ for Continuous feed Paper Before installing the tractor unit you should set up your LQ so that continuous feed paper can flow freely in and out of the printer Use any arrangement that allows you to put the paper underneath or behind the printer There are many types of printer stands you can use one example is shown in Figure 3 1 If you prefer you can stack the paper behind the printe...

Страница 47: ...ded with your LQ Replace it with the front lid packaged with the tractor unit and leave it tilted up as shown in Figure 3 3 Figure 3 3 Installing the tractor unit 2 Hold the tractor with the gears to the right and fit the rear notches on the tractor unit over the rear mounting pins on the printer as shown in Figure 3 3 3 2 ...

Страница 48: ...ter Loading Paper To load continuous feed paper follow these instructions 1 Make sure that the printer is turned OFF 2 Move the print head to the center of the printer pull the paper bail away from the platen and pull the paper release lever forward as shown in Figure 3 4 Figure 3 4 Preparing for paper loading 3 3 ...

Страница 49: ... that you can move the holders to the left and right Figure 3 5 Moving the pin feed holders 4 Position the left holder all the way to the left and push the locking lever back to lock that holder in place Leave the right holder unlocked 5 Open the pin feed covers as shown in Figure 3 6 3 4 ...

Страница 50: ...vers 6 Now install the paper shelf by fitting it into the two notches on the back of the printer as shown in Figure 3 7 The paper shelf keeps the paper from getting caught on the interface cable Figure 3 7 Installing the paper shelf 3 5 ...

Страница 51: ...0 space the two paper supports evenly along the width of the paper 8 Now guide the paper behind the platen and push it through until it comes up between the ribbon guide and the platen as shown in Figure 3 8 Moving the paper with a side to side motion makes it easier to push the paper through Figure 3 8 Loading paper 3 6 ...

Страница 52: ...nd close the cover Figure 3 9 Fitting the paper over the pin feeds 10 Fit the right side of the paper into the right holder moving the holder as needed to match the width of the paper 11 Close the right cover making sure the paper has no dips or wrinkles and lock the right holder in place 12 Push the paper bail against the paper and that s it the paper is ready 3 7 ...

Страница 53: ...3 10 Now turn the printer ON This records the top of page setting The printer remembers this setting and uses it when any program tells it to move to the top of the next page or when you use the FORM FEED button to advance the paper If you are using a word processor or other applications program and the printing is too high or too low on the page adjust your top of page setting accordingly Install...

Страница 54: ...hat fit into notches located just behind the tractor unit Slide one of the separator s pins into one notch then with a gentle pressure snap the other pin into the other notch as shown in Figure 3 11 Figure 3 11 Installing the paper separator 3 9 ...

Страница 55: ...ctor cover is the finishing touch Simply place it over the tractor unit making sure the notches on the side of the cover fit into the slots on the printer as shown in Figure 3 12 Figure 3 12 Installing the tractor cover 3 10 ...

Страница 56: ...it When you want to remove the optional tractor unit from the LQ simply push back on the tractor release levers as shown in Figure 3 13 tilt the unit back and lift it off the printer Figure 3 13 Removing the optional tractor unit 3 11 ...

Страница 57: ... and graphics This chapter tells you what you need to know If you want to learn more about the features of the LQ also read Chapters 5 and 6 For programmers the important parts of the manual are the command summary and the other appendixes Using Commercial Software Commercial software programs usually need to know what type of printer you are using You normally supply this information as part of a...

Страница 58: ... dealer or the manufacturer to see if an update that includes the LQ 1500 LQ 1000 or LQ 800 is available If your program does not list any LQ printers choose a printer from the list below They are listed in order of preference FX LX Rx MX Epson printer Draft printer Once you have set up or installed your commercial software pro gram for your printer simply follow the program s printing instruc tio...

Страница 59: ... and print styles in action Below are a few of the many fea tures covered Letter Quality High Speed Draft Emphasized Double strike I t a l i c s Elite Fifteen Characters Per Inch Underlined D o u b l e w i d t h C o n d e n s e d S u p e r s c r i p t S u b s c r i p t Proportional ESCape and ASCII The details of printer computer communication are complex but for most purposes all you need to know...

Страница 60: ...s used for numerical codes l CHR 27 is the ESCape code l Quotation marks are used for printable characters such as letters of the alphabet Your word processing or business program may use other methods to send those codes such as pressing the ESC key for the ESCape code See your software manual for further information and use Appendix B of this manual to find the proper codes Appendix D also has s...

Страница 61: ... most popular ones Micro soft BASIC and IBM PC BASIC If you have another version you can run these demonstration programs by making a few changes Appendix D has instructions for using Applesoft BASIC for other versions of BASIC consult the appropriate manual When you type these programs be sure to include all spaces and punctuation marks especially semicolons Press RETURN at the end of each line O...

Страница 62: ...nformation on the line is to be sent to the printer In lines 10 and 30 the letters inside the quotation marks are printed just as they appear in the program Lines 20 25 show an alternate way of printing characters They use the CHR character string function with the decimal code for each letter to print LQ 800 Line 40 prints the characters W1 using the two different methods quotation marks and the ...

Страница 63: ...50 LPRINT CHR X 60 NEXT X LPRINT LPRINT Now run the program to print the results you see below 10 char acters per inch ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghi Elite printing To print the same line of characters in elite which is 12 characters per inch add the following line to your program Just type the new line you don t have to retype the other lines 20 LPRINT CHR 27 M Now run the program to prod...

Страница 64: ...cdefghi Cancelling Modes With only a few exceptions the LQ printing modes stay on until they are turned off In fact the modes can stay on even if you change from one type of software to another For example if you run a BASIC program that turns on elite and then use a word processing program to print a document the LQ prints that document in the elite mode There are two methods to turn off a printi...

Страница 65: ...r applications programs send a reset code or initialization signal to the printer before sending data to be printed Basically the purpose of this code or signal is to cancel any settings that might interfere with the program s print control options In most instances this is fine However if you decide you want to set up the LQ to do something your applications program won t do you have to make sure...

Страница 66: ...the numeral one to turn on the mode and a letter with the numeral zero to turn it off For these modes the one or zero can be inside the quotation marks as shown above or as a separate character string value as shown below 10 LPRINT CHR 27 x CHR 0 Other Widths The three basic widths pica elite and fifteen cannot be combined with each other If one is on the other two are off There are how ever two w...

Страница 67: ...e combined with any of the three basic widths as you can see in the program below 20 LPRINT CHR 27 W1 Double width pica 30 LPRINT CHR 27 M Double width elite 40 LPRINT CHR 27 g Double width fifteen D o u b l e w i d t h p i c a D o u b l e w i d t h e l i t e D o u b l e w i d t h f i f t e e n A later section in the chapter explains a special ESCape code Mas ter Select which allows you to control...

Страница 68: ...efgh 10 Double width condensed elite ABCDefgh 12 Elite ABCDefgh 15 Fifteen ABCDefgh 17 1 Condensed pica ABCDefgh 20 Condensed elite ABCDefgh Print Enhancements In addition to the widths covered the LQ offers many print enhancements Emphasized mode In the emphasized mode the LQ prints each dot twice with the second dot slightly to the right of the first In order to do this the print head must slow ...

Страница 69: ...nd prints the line again Each dot is printed twice with the second one slightly below the first as you can see if you run this program which uses ESCape G to turn on double strike 10 LPRINT This is standard printing 20 LPRINT CHR 27 G 30 LPRINT This is double strike printing 100 LPRINT CHR 27 This is standard printing This is double strike printing Since each line in this mode is printed twice the...

Страница 70: ...s text is underlined This is not underlined This text is underlined Proportional mode In the standard draft and Letter Quality modes on the LQ each character is given the same amount of space whether it is a narrow letter like i or a wide letter like a capital W In the proportional mode however the space allowed for each letter is proportional to its size The proportional mode is always Letter Qua...

Страница 71: ...ouble strike dou ble width italic and underline The format of the Master Select code is ESCape followed by a number that is calculated by adding together the values of the modes listed below underline italic double width double strike emphasized condensed proportional elite pica 128 64 32 16 8 4 2 1 0 For many combinations just add up the values of each of the modes you want and use the total as t...

Страница 72: ...S e l e c t n u m b e r 9 6 Master Select is a powerful code that gives you an easy way to produce multiple combinations with a single command To produce double strike emphasized underlined printing for example you need only one ESCape code instead of three Indeed Master Select is such a powerful feature that it may occa sionally be more powerful than you want it to be Because it controls nine dif...

Страница 73: ...w to use the ESCape sequences for superscript and subscript you can devise your own examples International characters As you know languages other than English require a few extra characters The LQ has provided for printing in many languages by having 13 sets of international characters in its ROM Read Only Memory In order to print any of these characters you first select one of the following chara...

Страница 74: ...ts quite a bit see Appendix A for instructions on using the DIP switches Once you have selected a character set whether you do it with the ESCape code or the DIP switches you will be able to print several new characters The character sets are shown in Tables 5 2 5 3 and 5 4 The number at the top of each column in the tables is the ASCII code that prints the characters in that column Table 5 2 Inte...

Страница 75: ...e you can use the tables to see which keys on your standard keyboard can produce the international char acters you want Simply type the character from the top row of one of the figures in order to print the corresponding character in the row of the set you have chosen For example if you have reset the DIP switches for the UK charac ter set and you press the key the symbol will be generated Even th...

Страница 76: ...n you choose for the left margin The right margin command is ESCape Q followed by the column number of the right margin you want For the left margin command be sure to use a lowercase letter 1 not the numeral one If your word processing program does not allow you to change the margins you can send margin commands to your LQ with BASIC or another programming language before you print your documents...

Страница 77: ...1 inch page is 66 lines this will give you one inch of blank space at the bottom of each page If you prefer to have half of the blank space at the top of the page and half at the bottom simply set the top of page approximately three lines of an inch below the perforation See Chapter 3 if you need to refresh your memory on setting the top of page Line spacing Ordinarily you don t have to worry abou...

Страница 78: ...eful changes in line spacing can be for dot graphics Half speed Mode When quiet is more important than speed you can use ESCape s to cut the printing speed in half ESCape s1 turns the half speed mode on and ESCape s0 turns it off Note that you use a lowercase s not a capital S for this code Printing to the End of the Page In order to protect the print head and platen the LQ stops printing three li...

Страница 79: ...r defined character feature allows you or a commercial software program to put special characters in the LQ s memory so that they can be printed just as if they were ordinary letters Graphics Because many commercial software programs 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 6 1 ...

Страница 80: ...ad has 24 pins As it moves across the page elec trical 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 in draft or Letter Quality mode the pins fire time after time in different patterns to produce letters numbers or symbols Because the dots overlap each other both horizonta...

Страница 81: ...hics mode that takes full advantage of the LQ s print head is 24 pin graphics It has five densities but for simplicity this explana tion will begin with only one of them triple density Triple density prints up to 180 dots per inch horizontally As the print head moves across the paper every 1 180th of an inch it must receive instructions about which of its 24 pins to fire At each position it can fi...

Страница 82: ...abel numbers together you can fire any combination of pins Figure 6 2 shows three examples of how to calcu late the number that will fire a particular pattern of pins Figure 6 2 Calculations for pin patterns 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 Since there are 24 pins in each column you must make a ...

Страница 83: ...e turns the mode on and another turns it off For graphics the command is more complicated because the code that turns on a graphics mode also specifies how many columns it will use After the LQ receives this code it interprets the next numbers as pin patterns and prints them on the paper The LQ has one command that allows you to use any of the 11 graphics options The format of the command is ESCap...

Страница 84: ...ns of graphics data n1 should be 96 and n2 should be 6 because 1632 96 6 x 256 The LQ will interpret the number of bytes determined by n1 and n2 as graphics data no matter what codes they are This means that you must be sure to supply enough bytes of graphics data or the LQ will stop and wait for more data and will seem to be locked If on the other hand you supply too much graphics data the excess...

Страница 85: ...ny times Figure 6 3 shows how you can use a grid to plan where you want dots to be printed This grid is for a single line of graphics 42 columns long Since each line of 24 pin graphics is approximately 1 8th of an inch high and since triple density graphics prints 180 dots per inch horizontally a design planned on this figure will be about 1 8th of an inch high and less than 1 4th of an inch wide ...

Страница 86: ...rinter as graphics data to print the design Figure 6 4 shows the same grid divided into three sections to make the data calculation easier At the the bottom of each section of each column is the total of the pin numbers for that section This gives you a total of 126 data numbers necessary to print this small figure Figure 6 4 Data layout for 24 pin graphics 6 8 ...

Страница 87: ... 31 240 0 31 224 0 31 128 0 31 240 0 120 DATA 31 255 192 28 255 224 28 127 240 28 15 248 30 0 252 31 0 126 130 DATA 15 128 15 7 192 7 3 240 7 1 254 7 0 255 7 0 127 135 140 DATA 0 31 199 0 7 231 0 1 247 0 0 255 0 0 127 0 0 63 In this program line 20 assigns the graphics option 24 pin triple density with code 39 Code 42 sets the number of pin columns at 42 Lines 80 140 contain 126 bytes of data 42 p...

Страница 88: ...tions com mands The command looks like this ESCape s m The letter s represents the command that you wish to change the assignment for K L Y or Z and m is the number of the graphics option from Table 6 1 that you want to assign to it For example to change the ESCape K command to use the CRT I screen graphics option the command in BASIC is LPRINT CHR 27 K CHR 4 This is a quick way to change the aspe...

Страница 89: ...load characters in some programs The standard characters are stored in the LQ s Read Only Memory ROM and the user defined characters are stored in the LQ s Ran dom Access Memory RAM In order to free the LQ s RAM for use in storing user defined characters be sure that DIP switch 1 4 is OFF The switch is set to OFF at the factory but if you have turned it ON to use the 7K buffer turn it OFF before y...

Страница 90: ...s j and y The bottom row is usually left blank because it is used for underlining Draft pica Letter Quality Proportional Figure 6 5 Design grids The grid on the right side of Figure 6 5 can be used for either Letter Quality or proportional characters For Letter Quality you do not use all the columns See Table 6 3 for further information There is one restriction in designing characters Dots in the ...

Страница 91: ...s Each group of eight dots is represented by one byte which consists of eight bits Hence one bit represents each dot Data numbers The bits within each byte have values of 1 2 4 8 16 32 64 and 128 In the vertical column of dots the bits are arranged so that the most significant bit which has a value of 128 is at the top and the least significant bit which has a value of 1 is at the bottom Figure 6 ...

Страница 92: ...placing dots on a grid and translated the dots to decimal equivalents The last step in defining a character is to send this information to the printer Sending information to the LQ The printer loads characters in the print style Letter Quality draft or proportional that the printer is currently using It also records whether italic or script either superscript or subscript is turned on This means t...

Страница 93: ...and n2 If for instance you wanted to redefine the characters A through Z n1 would be A or ASCII code 65 and n2 would be Z or ASCII code 90 So the command ESCape 0 AZ followed by the appropriate data would replace the entire alphabet of capital letters Following the specification of the range of characters to be defined in this command are three data bytes d0 d2 that specify the width of the charac...

Страница 94: ...n starts in line 20 The two at signs in line 30 represent nl and n2 the range of characters being defined in this case a range of one Line 40 contains d0 dl and d2 The information about the actual character design which is con tained in the data statements at the end of the program is sent to the printer in the loop between lines 50 and 70 Note When defining Letter Quality or proportional characte...

Страница 95: ...een character sets at any time even in the middle of a line To try it place semicolons at the end of lines 80 and 100 in the program above Copying ROM to RAM After running the program above if you select the user defined character set and try to print other characters the only one that will print is the arrow Since no other characters are in the user defined RAM area nothing else prints Other char...

Страница 96: ... opposed to 1 120th of an inch for draft characters Proportional mode characters Selecting the proportional character mode will yield user defined characters of the highest resolution Characters can be designed using all 37 columns of the Letter Quality Proportional grid Remember that in Letter Quality and proportional as in draft you cannot place dots in adjacent columns There must be an empty do...

Страница 97: ...m When you define super subscript characters you need only two bytes of data for each vertical row of dots Design grids for these characters are shown in Figure 6 8 Draft pica Letter Quality and Proportional Figure 6 8 Grids for super subscript characters Mixing print styles Each of the three user defined character modes draft Letter Qual ity and proportional can be used in combination with most o...

Страница 98: ...set the command will be ignored and nothing will print The user defined character definitions how ever remain unaffected If you switch back to the mode in which they were defined you can then select and print them Keep in mind that user defined characters are stored in RAM which is not permanent Whenever the printer power is turned off or the printer is initialized with the ESCape command all of t...

Страница 99: ...ckage switches that allow you to change many of the printer s settings to suit your printing needs The DIP switches are located on two panels on the back of the printer as shown in Figure A 1 and can be easily changed with a thin pointed object Figure A 1 The DIP switch panels A 1 ...

Страница 100: ...your computer Remember Each time you change a DIP switch setting you should turn the power OFF reset the switch or switches then turn the power ON again The LQ only recognizes a new setting at the time the power is turned ON The following tables describe the switches and their functions The shaded gray boxes indicate the factory settings A 2 ...

Страница 101: ...rn the power on You car still select either mode using the control panel buttons 1 5 Select Letter Quality or draft print style draft 6 1 7 ON OFF Condensed characters are useful when you re printing spreadsheets and other documents where you need to print as much on a page as possible If you set this switch to ON everything you print will be in condensed mode unless a software command overrides i...

Страница 102: ...ct the baud If you re using a serial interface use rate if you re using these switches to set the baud a serial interface rate the rate at which the printer receives data from the computer See Table You should check your computer A 5 manual or commercial software program for baud rate setting requirements and set these switches according to Table A 5 2 7 Printer select signal ON OFF When this swit...

Страница 103: ...er sets available through software commands Japan Norway Denmark II Spain II and Latin America See Chapter 5 for additional information Table A 4 Interface selection Function 2 3 2 4 8 bit parallel interface O F F O F F Serial interface Even parity O N O F F Serial interface Odd parity O F F O N Serial interface Non parity O N ON Table A 5 Baud rate selection Baud rate 2 5 2 6 3 0 0 O F F OFF 1200...

Страница 104: ... these values are also listed Appendix I contains complete descriptions of each control code Dee Hex Abbrev Control key 0 0 0 NUL Cntl 1 0 1 SOH Cntl A 2 02 STX Cntl B 3 03 ETX Cntl C 4 04 EOT Cntl D 5 05 ENQ Cntl E 6 06 ACK Cntl F 7 07 BEL Cntl G 8 08 BS Cntl H 9 09 HT Cntl I 10 0A LF Cntl J 11 0B VT Cntl K 12 0c FF Cntl L 13 0D CR Cntl M 14 0E s o Cntl N 15 0F SI Cntl 0 16 10 DLE Cntl P Dec Hex ...

Страница 105: ... 4A J J I 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J Dec 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 H e x D r a f t L Q P r o p 4B 4c 4D 4E 4F 50 51 52 53 54 55 56 57 58 59 5A 5B 5c 5D 5E 5F 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 74 K K K L L L M M M N N N 0 0 0 P P P Q Q Q R R R s...

Страница 106: ... ACK 151 97 ETB 135 87 BEL 152 98 CAN 136 88 BS 153 99 EM 137 89 HT 154 9A SUB 138 8A LF 155 9B ESC 139 8B VT 156 9c FS 140 8C FF 157 9D GS 141 8D CR 158 9E RS 142 8E s o 159 9F u s 143 8F SI 160 A0 SP Dec 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 Hex Draft L Q P r o p Al A2 A3 A4 A5 A6 A7 A8 A 9 AA AB AC AD AE AF BO 0 0 0 Dec H e x D r a f t L Q 177 Bl 1 1 178 B2 2 2 179 B3 ...

Страница 107: ... D2 R R R D3 s s s D4 T T T D5 U U U D6 v v v D7 W W W D8 x x x D9 Y Y Y DA Z Z Z DB DC DD DE D F _ _ _ Dec 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 H e x D r a f t L Q P r o p E0 E1 a a E2 b b E3 c c E4 d d E5 e e E6 f E7 g g f E8 h h E9 i i EA j j EB k k EC l l ED m m EE n n EF O O FO p p Fl q q F2 r r F3 s S F4 t...

Страница 108: ...rs Full instructions on their use come with each module The cartridge is made up of two modules the identity module and the font module These two modules are plugged together to form an option cartridge as shown in Figure C 1 The cartridge can then be plugged into the LQ s option cartridge compartment as shown in Fig ure C 2 Figure C 1 Plugging the identity and font modules together C 1 ...

Страница 109: ...onal typestyles with font modules and greater flexibility for setting default values l IBM PC 7695 This module lets you use commands and pro grams designed for the IBM 5152 Graphics Printer l Diablo 630 7694 This module lets you use commands and pro grams designed for the Diablo 630 printer Note Many programs support the Epson LQ printer series If your software programs are set up for the IBM 5152...

Страница 110: ...ule plugged in If you use a font module unplug the blank module and replace it with the font module The Font Module The font modules are available in a number of different typestyles including A font module must be connected to an identity module in order to work The ESC P Expansion Identity Module maintains and extends the LQ s Epson identity and allows you to add any of the optional fonts C 3 ...

Страница 111: ...information on com mands see the instructions packaged with the identity module To return to the LQ s built in command set turn the power OFF remove the cartridge and turn the power ON again For typestyle selection the identity module may have a DIP switch that allows you to choose which typestyle will be in effect when you turn on the printer either the LQ s built in typestyle or the font module ...

Страница 112: ... numbers punctuation marks symbols carriage returns and upper and lower case letters Now print the document First check page B 4 to see whether the LQ is printing the correct character set When delivered the LQ is set to print the USA character set If it s not printing the USA character set determine which character set it is printing Then consult Appen dix A on DIP switches to find how to select ...

Страница 113: ...system you use READY light flickers when you try to print All the text is printed on the same line If you are using the parallel inter face either you have changed switch 2 7 to OFF by mistake or you have an incorrect printer cable If you are using the serial interface the setting of the LQ s baud rate parity number of bits per character and number of stop bits may not match the computer s setting...

Страница 114: ...This might happen if you are using a serial interface It probably means that the settings of the baud rate parity number of bits per word and number of stop bits are not the same on the computer and the printer Change the settings of the DIP switches to match the configu ration of the serial socket of the computer See Tables A 4 and A 5 in Appendix A Printer suddenly stops or slows down Only the p...

Страница 115: ...e it to a qualified service person Hex Dump Mode The LQ has a special feature that makes it easy for experienced printer users to find the causes of problems The hexadecimal hex dump mode gives a printout of exactly what codes reach the printer Enter this mode by turning on the power switch on the left side of the printer while holding down the FORM FEED and LINE FEED but tons at the same time The...

Страница 116: ... the code for F therefore F is printed in the first position in the guide section Then because there is no semicolon in line 20 BASIC sends a carriage return and a line feed hex codes 0D and 0A Each of these is represented by a dot in the guide section The program then sends the hex codes 47 48 and 49 with each followed by a carriage return and line feed When the program gets to line 30 it sends E...

Страница 117: ... is the code for line feed after hex 0D the code for a carriage return You will also notice that the program does not send hex 1A decimal 26 Both of these characteristics are discussed in the next section 00 01 02 03 04 05 06 07 08 09 0 A 0B 0C 0 D 0 A 0 E 0F 10 11 12 13 14 15 16 17 18 19 1B 1C 1D 1E 1F The hex dumping capability can help you debug a program quickly Appendix B will help you transl...

Страница 118: ...rint more than 80 columns per line in a graphics program you must therefore change your opening statement to include the appropriate WIDTH statement OPEN LPTl AS l WIDTH l 255 There is no easy solution to the problem with CHR 26 It is best to change any instance of decimal 26 hex 1A in your programs to another number Applesoft BASIC Solutions Applesoft BASIC does not use PRINT to send data to the ...

Страница 119: ...om the electrical outlet Then remove the dust cover Use a small vacuum cleaner and soft brush to clean inside the printer Be careful not to bend or damage any of the parts inside the printer With the power OFF you can move the print head back and forth to clean under it Once in a great while your LQ should be lubricated by an autho rized Epson dealer Changing the print head The expected life of an...

Страница 120: ...ed by the arrows in Figure D 1 Figure D 1 Print head replacement Slide the print head over to the left side of the printer and lift the print head off the carriage as shown in Figure D 2 Disconnect the two copper colored ribbon cables by gently pulling them out of the black connector blocks on the floor of the printer Now lift the print head assembly out of the printer The connector blocks stay at...

Страница 121: ...on cables to the black connector blocks by gently pushing the ends of the cables into the blocks Place the new print head on the carriage making sure the guide holes on the print head fit over the guide pins on the carriage Snap the black locking levers back in place and that s it D 10 ...

Страница 122: ...h You may need to enter these widths into a special table for your word processing program so it can calculate the number of proportional characters that will fit on each line The characters with no code indicated are international characters See Chapter 5 for information on their use The table shows the char acter its ASCII code decimal and its width Table E 1 Proportiona character widths E 1 ...

Страница 123: ...Table E 1 Proportional character widths continued E 2 ...

Страница 124: ...Table E 1 Proportional character widths continued E 3 ...

Страница 125: ...Table E 1 Proportional character widths continued E 4 ...

Страница 126: ...7 DATA 8 ACKNLG BUSY 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 IN of the 1st to 8th bits of parallel IN data respectively Each signal is at HIGH level when data is logical IN 1 and LOW when it is logical 0 IN IN OUT Approximately 12 microsecond pulse LOW indicates that data ...

Страница 127: ... power up state and the print buffer is cleared This level is usually HIGH its pulse width must be more than 50 microseconds at the receiving terminal This level becomes LOW when the printer is in 1 Paper end state 2 Off Line 3 Error state Same as for Pins 19 30 Unused Pulled up to 5V through 3 3k ohm resistance The DC1 DC3 code is valid only when this signal is HIGH Internal fixing can be carried...

Страница 128: ...econds 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 Interface timing Figure F 1 shows the timing for the parallel interface Figure F 1 Parallel interface timing F 3 ...

Страница 129: ...the DC1 code is input again In other words in the deselected status the input data is ignored until DC1 code is received 3 DC1 and DC3 codes are enabled only when SW 2 7 is OFF And SLCT IN signal Input Connector Pin No 36 in case of parallel interface unit is used is HIGH when the printer power is initial ized 4 SW 2 7 is ON or SLCT IN is LOW when the printer is initialized DC1 DC3 printer select ...

Страница 130: ...cates printer is ready to receive channel data or not MARK level indicates printer is not ready to receive data 3 RXD I N Receives data RS 232C level 4 Not used Reserved 5 Signal GND Signal Logic ground level 6 Chassis GND Printer chassis ground 1 DIR refers to the direction of signal flow as viewed from the printer Word Length Start bit Data bits Stop bit Parity 1 bit 8 bits 1 bit or more Odd Eve...

Страница 131: ...88 and other special interfaces which allow connection to computers with other interface requirements in some cases these are installed on the computer rather than the printer l Buffer interfaces which provide a larger data buffer to release the computer for other tasks when printing large amounts of text The following Epson interfaces are compatible with the LQ 800 and LQ 1000 printers although s...

Страница 132: ...AC power cord is unplugged from its outlet Also beware of touching contacts on the circuit board of the printer many of the components are sensitive to static electricity and can be destroyed by the charge that may build up on your body Removing and replacing the printer case 1 Turn OFF the power to both the printer and the computer and disconnect the interface cable from the printer 2 Remove the ...

Страница 133: ...the printer case There are two screws on the LQ 800 as shown in the diagram On the LQ 1000 there are three screws Figure G 1 Removing the upper case 5 With the printer facing you slowly lift the upper case Don t lift the case too high because the control panel is still attached G 3 ...

Страница 134: ...ugh the case and set the case to one side To replace the case reverse the previous steps Make sure that the control panel connector has not been disconnected from the main cir cuit board If it needs to be reconnected the connector can only be connected one way so make sure that the arrangement of the holes in the connector matches the pattern of pins on the circuit board When replacing the paper f...

Страница 135: ...on which the interface board will rest and the screw at the rear of the circuit board labelled FG The screw marked FG is the connection for the frame ground wire Remove the frame ground screw and the screw in the support next to the parallel connector Figure G 3 Main circuit board 4 Plug the connector of the interface board into the female connector on the main circuit board of the printer This co...

Страница 136: ... printer or the computer in order to allow them to communicate properly The protocol used by the printer is decided by one or two groups of DIP switches located on the serial interface board the protocol used by the computer can probably be altered by a software command It is essential that the printer and computer use compatible protocols If you can adjust the settings on the computer rather than...

Страница 137: ...you need to adjust any of the other settings consult the manual supplied with the interface and if necessary your Epson dealer For interfaces 8143 8148 and 8149 the baud rates are set by these switches Table G 1 Baud rate settings for 8143 baud rate switch 1 1 switch 1 3 switch 1 4 switch 1 7 300 OFF OFF ON ON 600 OFF ON OFF ON 1200 OFF OFF OFF ON 2400 ON OFF ON OFF 4800 ON ON OFF OFF 9600 ON OFF ...

Страница 138: ... 8143 switch 1 2 switch 1 6 switch 1 5 ON 7 bits parity enabled parity disabled OFF 8 bits parity disabled parity enabled Table G 5 Parity check settings for 8148 switch 1 1 switch 1 2 switch 1 3 O N 7 b i t s parity enabled parity disabled OFF 8 bits parity disabled parity enabled Table G 6 Parity check settings for 8149 switch 2 1 switch 2 2 switch 2 3 O N OFF 7 bits 8 bits panty enabled parity ...

Страница 139: ...r second per line in draft pica 60 characters per second per line in Letter Quality pica Approximately 100 ms line at l 6 inch line and approximately 2 2 inches per second during continuous line feed Bidirectional logic seeking Unidirectional left to right in graphics mode Epson Letter Quality Roman Epson Letter Quality proportional Roman Epson Sans Serif draft 1K or 7K bytes Default is l 6 inch P...

Страница 140: ...48 81 120 204 137 233 160 272 68 116 Paper Number of copies One original plus one copy total thick ness is 004 inches LQ 800 Paper width Paper feed Continuous feed paper 4 to 10 Tractor feed with optional tractor unit Cut sheet 7 2 to 10 0 Friction feed LQ 1000 Paper width Paper feed Continuous feed paper 4 to 16 Tractor feed with optional tractor unit Cut sheet 7 2 to 14 3 Friction feed H 2 ...

Страница 141: ... 23 5 in 13 2 in 17 6 lbs Power 120 VAC 10 Power usage Frequency Environment Temperature Humidity Shock Vibration Insulation resistance 70 volt amperes maximum 49 5 to 60 5 Hz Operating 41 F to 95 F 5 C to 35 C Storage 31 F to 149 F 35 C to 65 C Operating 10 to 80 no condensation Storage 5 to 85 no condensation Operating 1 G less than 1 millisecond Storage 2 G less than 1 millisecond Operating 0 2...

Страница 142: ...compatible g bit parallel Synchronization By externally supplied STROBE pulses Handshaking By ACKNLG and BUSY signals Logic level Input data and all interface control signals are TTL levels Serial Interface Interface RS 232C serial Synchronization Handshaking Signal level Connector Asynchronous By REV signal RS 232C MARK 1 3v to 27v SPACE 0 3v 27v 6 pin DIN connector H 4 ...

Страница 143: ...e index to find out where they are discussed in the text Default Settings When your LQ comes from the factory it is set to the following defaults Defaults are the settings in effect each time the printer is turned on A dot means that you can change the default for this setting by changing a DIP switch l Pica width Margins set at maximums left margin at 0 and right margin at 80 on the LQ 800 and 13...

Страница 144: ... Double Width Mode one line I 6 Select Condensed Mode I 5 Select Printer I 28 Cancel Condensed Mode I 6 Deselect Printer I 28 Cancel Double Width Mode one line I 7 Cancel Line I 28 Delete Character I 30 Select Double Width Mode one line I 6 Select Condensed Mode I 5 Cut Sheet Feeder Control I 29 Select Character Space I 20 Master Select I 10 MSB Control Sequence Cancel I 26 Select Absolute Horizon...

Страница 145: ...17 Select Emphasized Mode I 8 Cancel Emphasized Mode I 8 Select Double Strike Mode I 9 Cancel Double Strike Mode I 9 Immediate n 180 inch Line Feed I 15 Single Density Graphics Mode I 22 Double Density Graphics Mode I 22 Select Elite Width I 7 Select Skip Over Perforation I 13 Cancel Skip Over Perforation I 13 Select Pica Width I 7 Set Right Margin I 12 International Character Set I 11 Select Supe...

Страница 146: ...s which are explained in the comments sections In BASIC you can use either decimal or hexadecimal numbers and if there is a single letter in the second ASCII code column you can use that letter in quotation marks instead of the number below it For example the format section for the right margin command is as fol lows ASCII code ESC Q n Decimal 27 81 n Hexadecimal 1B 51 n In BASIC you can send the ...

Страница 147: ... draft mode n 1 selects Letter Quality mode Character Width SI Select Condensed Mode Format ASCII code SI Decimal 15 Hexadecimal OF Control CTRL O Comments Condensed pica has 17 16 characters per inch ESC SI Select Condensed Mode Format ASCII code ESC SI Decimal 27 15 Hexadecimal 1B 0F Comments Duplicates the SI command I 5 ...

Страница 148: ... SI so Format Select Double Width Mode one line ASCII code SO Decimal 14 Hexadecimal 0E Control CTRL N Comments Doubles the width of all characters It can be cancelled by a carriage return DC4 ESC W or ESC ESC SO Select Double Width Mode one line Format ASCII code ESC SO Decimal 27 14 Hexadecimal 1 B 0E Comments Duplicates the SO command I 6 ...

Страница 149: ...C W n Decimal 27 87 n Hexadecimal 1B 57 n Comments Double Width mode doubles the width of all characters n 1 selects the mode n 0 cancels it ESC M Select Elite Width Format ASCII code ESC M Decimal 27 77 Hexadecimal 1B 4D Comments Elite width has 12 characters per inch and cancels pica 10 cpi or fifteen 15 cpi ESC P Select Pica Width Format ASCII code ESC P Decimal 27 80 Hexadecimal 1B 50 Comments...

Страница 150: ...ned with condensed Print Enhancement ESC E Format ASCII code ESC Decimal 27 Hexadecimal 1B E 69 45 Select Emphasized Mode Comments In emphasized mode each dot is printed twice with the second dot slightly to the right of the first Reduces printing speed ESC F Cancel Emphasized Mode Format ASCII code ESC F Decimal 27 70 Hexadecimal 1B 46 Comments Turns off the mode selected by ESC E I 8 ...

Страница 151: ...first ESC H Cancel Double Strike Mode Format ASCII code ESC H Decimal 27 72 Hexadecimal 1 B 48 Comments Turns off the mode selected by ESC G ESC S 0 Select Superscript Format ASCII code ESC S 0 Decimal 27 83 0 Hexadecimal 1B 53 0 Comments Selects superscript mode ESC S 1 Select Subscript Format ASCII code ESC S 1 Decimal 27 83 1 Hexadecimal 1 B 53 1 Comments Selects subscript mode I 9 ...

Страница 152: ... code ESC n Decimal 27 45 n Hexadecimal 1B 2D n Comments n 1 selects underlining n 0 cancels it ESC Master Select Format ASCII code ESC n Decimal 27 33 n Hexadecimal 1B 21 n Comments Selects any valid combination of the following modes pica elite proportional condensed emphasized double strike double width italic underline See Chapter 5 for more information I 10 ...

Страница 153: ...nted in the italic character set ESC 5 Cancel Italic Mode Format ASCII code ESC 5 Decimal 27 53 Hexadecimal 1B 35 Comments Cancels the mode selected by ESC 4 ESC R Select an International Character Set Format ASCII code Decimal ESC R n 27 82 n Hexadecimal 1B Comments 52 n See Chapter 5 for details on this command I 11 ...

Страница 154: ...ll text in the print buffer The range of n is 1 to 255 ESC I Format ASCII code ESC Decimal 27 Hexadecimal 1B Comments Sets the left margin I n 108 n 6C n Set Left Margin n first printing column in the current width The value of n is 0 to 255 Clears previous tab settings therefore should be set before tabs are set Use lowercase 1 not the numeral one I 12 ...

Страница 155: ...e inch margin as the printer default setting by moving DIP switch 1 7 to the OFF position ESC O Cancel Skip Over Perforation Format ASCII code ESC O Decimal 27 79 Hexadecimal 1 B 4F Comments Cancels the mode selected by ESC N Use the letter O not the number 0 Line spacing LF Line Feed Format ASCII code L F Decimal 10 Hexadecimal 0 A Control CTRL J Comments Advances the paper one line The paper is ...

Страница 156: ... 2 Decimal 27 50 Hexadecimal 1B 32 Comments Sets the line spacing to l 6 of an inch for subsequent line feed com mands The 2 is the digit two and not ASCII code 2 This is the default at power on ESC 3 Select n 180 inch Line Spacing Format ASCII code ESC 3 n Decimal 27 51 n Hexadecimal 1B 33 n Comments Sets the line spacing to n 180 of an inch for subsequent line feed commands The 3 is the digit th...

Страница 157: ...uent line spacing and does not produce a carriage return ESC A Select n 60 inch Line Spacing Format ASCII code ESC A n Decimal 27 65 n Hexadecimal 1B 41 n Comments Sets the line spacing to n 60 of an inch for subsequent line feed commands The value of n should be in the range 0 to 85 Form feed and page length FF Form Feed Format ASCII code F F Decimal 12 Hexadecimal 0C Control CTRL L Comments Adva...

Страница 158: ... Select Page Length in Inches Format ASCII code ESC C 0 n Decimal 27 67 0 n Hexadecimal 1B 43 00 n Comments Sets the page length to n inches where n has a value of 1 to 22 inches Tabs HT Tab Horizontally Format ASCII code H T Decimal 9 Hexadecimal 09 Control CTRL I Comments Advances the print position to the next horizontal tab setting Default tabs are every eight spaces I 16 ...

Страница 159: ...With proportional printing tab set tings are based on the character width of pica print ESC e Set Relative Tabs Format ASCII code ESC e n m Decimal 27 101 n m Hexadecimal 1B 65 n m Comments The value of m is 0 to 127 If the variable n equals 0 the format is horizontal If the variable n equals 1 the format is vertical VT Format ASCII code VT Decimal 11 Hexadecimal 0B Control CTRL K Comments Tab Ver...

Страница 160: ...anges in line spacing ESC b Set Vertical Tabs in Channels Format ASCII code ESC b c n1 n2 0 Decimal 27 98 c n 1 n 2 0 Hexadecimal 1B 62 c n1 n2 00 Comments c 0 to 7 Sets up to 16 vertical tabs for channel c The tab settings can be cleared by giving a value of zero to nl The range of n given in lines is 0 to 254 Tab settings are not affected by subsequent changes in line spacing ESC I Select Vertic...

Страница 161: ...l width tables This command overrides pica 10 cpi elite 12 cpi and fifteen 15 cpi commands Turn off the proportional mode before using these commands Proportional printing is used with ESCape by most word processing programs that perform true microjustification ESC k Select Family of Typestyles Format ASCII code ESC k n Decimal 27 107 n Hexadecimal 1B 6B n Comments Selects family of typestyles The...

Страница 162: ... n1 n2 24 n1 n2 Moves the print head to an absolute horizontal position The posi tion in inches is determined by the formula nl n2 X 256 60 If you attempt to position the print head beyond the right margin the command is ignored ESC Move Print Head Format ASCII code ESC Decimal 27 Hexadecimal 1B Comments n1 n2 92 n1 n2 5C n1 n2 Moves the print head a specified distance from the last character prin...

Страница 163: ...lt setting is n 0 Full justification n 3 is performed when the buffer becomes full For n 3 a WIDTH statement may be required For n 3 there should be no carriage returns within a paragraph ESC f Set Print Position Format ASCII code ESC f n m Decimal 27 102 Hexadecimal 1B n m 66 n m Comments Prints spaces or line feeds without carriage returns The value of m is 0 to 127 If the variable n equals 0 th...

Страница 164: ...s n1 and n2 specify the number of dot columns of graphics data to print by the formula n1 n2 X 256 8 pin graphics ESC L Select Double Density Graphics Mode Format ASCII code ESC Decimal 27 Hexadecimal 1B Comments L n1 n2 76 n1 n2 4C n1 n2 Turns on low speed double density graphics mode with 960 possi ble dots per 8 inch line and 1632 per 13 6 inch line The values n1 and n2 specify the number of do...

Страница 165: ...d n2 specify the number of dot columns of graphics data to print by the formula n1 n2 X 256 B pin graphics ESC Z Select Quadruple Density Graphics Mode Format ASCII code ESC Z n1 n2 Decimal 27 90 n1 n2 Hexadecimal 1B 5A n1 n2 Comments Turns on quadruple density graphics mode with 1920 possible dot positions per B inch line and 3264 per 13 6 inch line Will not print consecutive dots in a row The va...

Страница 166: ...s n1 and n2 specify the number of dot columns of graphics data to print by the formula n1 n2 X 256 ESC Reassign Graphics Mode Format ASCII code ESC s m Decimal 27 63 s m Hexadecimal 1B 3F s m Comments Changes one graphics mode to another The variable s is a character K L Y or Z which is reassigned to a new mode number m O 6 32 33 38 39 or 40 See Chapter 6 for details on the 11 modes available I 24...

Страница 167: ...selected mode See Chapter 6 for details ESC Copy ROM into RAM Format ASCII code ESC 0 0 0 Decimal 27 58 0 0 0 Hexadecimal 1B 3A 00 00 00 Comments This code allows the characters in the LQ ROM to be copied into RAM so that they can be used with user defined characters ESC Select User Defined Set Format ASCII code ESC n Decimal 27 37 n Hexadecimal 1B 25 n Comments This code selects the user defined ...

Страница 168: ...t by ESC or ESC ESC equal MSB 0 Setting Format ASCII code ESC Decimal 27 61 Hexadecimal 1B 3D Comments Selects MSB as 0 When this code is input the MSB of an B bit data input after this code becomes 0 ESC MSB 1 Setting Format ASCII code ESC Decimal 27 62 Hexadecimal 1B 3E Comments Selects MSB as 1 When this code is input the MSB of an 8 bit data input after this code becomes 1 I 26 ...

Страница 169: ...If this code is received immediately after graphics printing the print position of subsequent data is moved back to the point at which graphics printing started This command should not be used in proportional mode For accurate positioning use the ESCape command CR Carriage Return Format ASCII code C R Decimal 13 Hexadecimal 0D Control CTRL M Comments Returns the print position to the left margin w...

Страница 170: ...r on line if it has been switched off using the ON LINE switch on the control panel DC3 Deselect Printer Format ASCII code DC3 Decimal 19 Hexadecimal 13 Control CTRL S Comments Places the printer in off line mode until the select printer code DC1 is received CAN Cancel Line Format ASCII code CAN Decimal 24 Hexadecimal 18 Control CTRL X Comments Removes all text in the print buffer but does not aff...

Страница 171: ...al Mode one line Format ASCII code ESC Decimal 27 Hexadecimal 1B Comments 60 3C Selects unidirectional printing for more accurate positioning during multiple passes of text printing It is valid for one line only and is cancelled by a carriage return ESC Initialize Printer Format ASCII code ESC Decimal 27 64 Hexadecimal 1B 40 Comments Resets the printer to the power on state including top of page C...

Страница 172: ...n 1 selects the feature n 0 cancels it Graphics printing is always unidirectional ESC s Select Half Speed Mode Format ASCII code ESC Decimal 27 115 n s n Hexadecimal 16 73 n Comments n 1 selects the mode n 0 cancels it DEL Delete Character Format ASCII code DEL Decimal 127 Hexadecimal 7F Comments Removes the last text character in the print buffer but does not affect control codes I 30 ...

Страница 173: ...soft BASIC D 7 Applications programs See Commercial software ASCII American Standard Code for Information Interchange 5 1 5 2 codes listed for all characters B 1 B 4 Automatic test See Self test B Bail See Paper bail BASIC 5 2 5 4 See also Applesoft BASIC IBM PC BASIC Baud rate A 5 G 7 G 8 Beeper D 4 Bold printing See Double strike Emphasized Buffer 6 11 A 3 Index 1 ...

Страница 174: ...tinuous feed paper See Paper loading Control codes listed by function 1 4 I 30 listed by number I 1 1 3 See also Specific modes and functions Control panel 1 4 1 13 Cover See Dust cover Cut sheet feeder 2 1 2 14 A 3 installation 2 1 2 5 loading paper 2 6 removing 2 10 troubleshooting 2 12 D Data transfer sequence F 3 Designing graphics See Graphics Dimensions of printer H 3 DIP switches A 1 A 6 Do...

Страница 175: ...ng of pins See Pins FORM FEED button 1 14 Foreign language characters See International characters Formatting page 5 18 5 21 Friction control lever See Paper release lever Friction feed See Paper loading single sheet Function switches See DIP switches G Graphics 6 1 6 11 designing 6 5 6 10 dot patterns 6 3 8 pin 6 3 24 pin 6 3 options 6 5 6 10 pin labels 6 3 6 5 reassigning code 6 10 H Half speed ...

Страница 176: ... 14 1 15 5 6 5 8 Lever See Paper release Paper thickness Pin feed LINE FEED button 1 14 Lid See Dust cover Line feed DIP switch for A 4 Line spacing 5 17 Location of printer 1 3 LQ See Letter Quality Lubrication D 8 D 9 M Maintenance D 8 cut sheet feeder 2 13 2 14 Manual feed knob See Paper feed knob Margins 5 18 Master Select 5 13 O OFF LINE button 1 13 1 14 ON LINE light and button 1 13 1 14 Opt...

Страница 177: ...5 5 Pin feed paper See Paper loading continuous feed Pin feed holder and pin feed lever 3 14 Pins firing and numbering 6 3 6 4 Pitches See Widths See also widths by name Power switch 1 12 Print head replacement D 8 D 9 Print width summary table 5 20 See also specific widths by name Print width 5 5 5 6 Proportional mode 5 12 E 1 E 4 Protective lid See Dust cover Q QX 10 and QX 16 D 8 R READY light ...

Страница 178: ...ng Specifications See Technical specifications Subscript 5 15 Superscript 5 15 Switches See DIP switches T Tabs 1 16 1 17 Technical specifications H 1 H 4 Temperature H 3 Test See Self test Top of form See Top of page Top of page 2 8 3 8 Tractor 3 1 3 11 installation 3 2 removing 3 11 Troubleshooting D 1 D 7 cut sheet feeder 2 12 U Underline mode 5 12 Unpacking your printer 1 1 User defined charac...

Страница 179: ...Vertical tabs See Tabs V W Word processing 4 1 4 2 Index 7 ...

Страница 180: ......

Страница 181: ...SC 45 2D Select Cancel Underlining ESC 33 21 Master Select ESC 4 52 34 Select Italic Mode ESC 5 53 3 5 Cancel Italic Mode ESC R 8 2 52 Select an International Character Set Page Formatting ESC Q 81 51 Set Right Margin ESC I 108 6C Set Left Margin ESC N ESC O LF ESC 0 78 4E Select Skip Over Perforation 79 4F Cancel Skip Over Perforation 10 0A Line Feed 48 30 Select 1 8 inch Line Spacing ESC 2 ESC 3...

Страница 182: ... 4B Select Single Density Graphics Mode 76 4C Select Double Density Graphics Mode 89 59 Select High Speed Double Density Graphics Mode ESC Z 90 5A Select Quadruple Density Graphics Mode ESC l 42 2A Select Graphics Mode ESC 63 3F Reassign Graphics Mode User Defined Characters ESC ESC ESC 38 26 Define User Defined Characters 58 3A Copy ROM into RAM 37 25 Select User Defined Set Other Codes ESC 35 23...

Страница 183: ...F Table 2 DIP switch panel 2 Table 3 International DIP switch settings There are five additional international character sets available through software commands Japan Norway Denmark II Spain II and Latin America See Chapter 5 for additional information Table 4 Interface selection Table 5 Baud rate selection Function 2 3 2 4 8 bit parallel interface OFF OFF Serial interface Even parity ON OFF Seri...

Страница 184: ...oper shipping damage caused by disasters such as fire flood and lightning or service other than by an authorized Epson Service Center THE WARRANTY AND REMEDY PROVIDED ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND UNLESS STATED HEREIN ANY STATEMENTS OR REPRESENTATIONS MADE BY ANY OTHER PERSON OR FIRM ARE VOID THE DURATION OF ANY IMPLIED WARRAN TIES OF MERCHANTABILITY OR FITNES...

Страница 185: ......

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