Epson LQ-950 Bedienungsanleitung

lA micro-adjustment feature that allows you to feed the paperforward or backward in 1/180-inch increments to finely adjustthe loading and short tear-o

WARNING: Never use short tear-off with labels.Otherwise, labels may come off their backing and jam theprinter.When you have finished printing, and if

Adjusting the Tear-off PositionIf the paper’s perforation does not meet the tear-off edge, you canadjust the tear-off position using the micro-adjustm

2.To make fine adjustments to the tear-off position, press theFORM FEED button to feed the paper forward or the LINE FEEDbutton to feed it backward.Yo

Selecting TypestylesYou can produce a wide range of typestyles by selecting differentcharacter fonts, widths, and other enhancements from the SelecTyp

To select a font, press the FONT button until the font’s orangeindicator light comes on. Note that font selection skips over SLOT Aor SLOT B if no opt

DRAFT (normal draft)We’ve just seen your excellent ad forminiature zebras in a recent back issue of!:.r.ade.r,I.s ,... Tmes. -What is the price sched

The DRAFT mode uses fewer dots per character for high-speedprinting, which makes it ideal for rough drafts and editing work.ROMAN and SANS SERIF are L

The following printout compares the three pitches with proportionalspacing.This is 10 cpi printing.This is 12 cpi printing.Thia is 15 cpi printing.Thi

Selecting an International Character SetInternational character sets provide you with the characters andsymbols used in other languages. You can selec

In addition to the eight character sets shown above, the seveninternational character sets that follow can be selected with asoftware command: ESC R.

lPull Tractor Unit (#7311/#7312/#7313)This option improves the performance of continuous paperhandling. It is especially useful with continuous multi-

Selecting a Graphics Character SetTo obtain the desired graphics character set, set DIP switches l-l,1-2, and l-3 according to the DIP switch table f

Canada-French0 123456789ABCDEF0 C P ' p C ti I I:i Lr a E$4DTdtftk!"§%5EUeuhf.(8HXhxSttf)SIYiySBr*:JZjz&u-+;Ktk(9 cL\lliS)> N * nNorw

Choosing a Character TableDIP switch 1-4 selects either the italic character table or the EpsonExtended Graphics character table. The Epson Extended G

ItalicsCODE0123456789ABCDEF0O@P’pO@P’P1!lAQaq!IAQa!?2fl 2 B R b r" 2 B R b r3#3CScs#3CSCS484DTdt$4DTdt5%SEUeu%SElJeu6&GFVfv&GFVfV7‘7GWgw&

Epson Extended Graphics:ODE0 123456789ABCDEF0123456789ABCDEFUsing the Printer3-33

To select a character table, set DIP switch 1-4 according to the tablebelow.CAUTION To change the setting of a DIP switch, first turnoff the printer,

Using the Data Dump ModeThe data dump mode is a special feature that makes it easy forexperienced users to identify the cause of communication problem

3.Run any program that causes the printer to print (either anapplication program or one in any programming language).Your printer prints out all the c

By comparing the characters printed in the text field on the rightside of the data dump printout (see step 3) with the printout of hexcodes, you can c

l Interface BoardsOptional interface boards are available to supplement theprinter’s built-m parallel and serial interfaces. Guidelines forchoosing th

Software and GraphicsEnhancing Your Printing...4-2Print Quality and Fonts... 4-2Character Spacing...

Enhancing Your PrintingYou can obtain a wide variety of printing effects with the LQ-850,LQ-950, and LQ-1050 printers, from changing the number ofchar

Note: High-speed draft is available only with 10 cpi printing.Underlining and double-width printing can be combined withhigh-speed draft. If other enh

The following printout compares 10 cpi spacing with proportionalspacing:This is 10 cpi printing.This is proportional spacing.Note: Proportional spacin

Both 10 and 12 cpi printing and proportional spacing can bereduced to about 60 percent of their normal width using thecondensed mode. This mode is par

Emphasized and double-strike printingEmphasized and double-strike printing can give words and phrasesadded prominence. In emphasized mode, the printer

Underlining, strike-through, and overliningThe underline, strike-through, and overline modes are useful forhighlighting selected text. This feature ca

Selecting Typestyles With Master SelectYour printer has a special ESCape code called Master Select thatallows you to choose many combinations of these

For example, to print a title you may want to use double-wide 12 cpicharacters printed in the double-strike mode. You would add threenumbers together

GraphicsThe dot graphics mode allows your printer to produce pictures,graphs, charts, or almost any other pictorial image you can create.Because many

Chapter 4 shows you how to get the most from your printer. Itincludes advice on the use of software commands and graphics,and creating your own user-d

Income BreakdownMarketing aAdvertisingSalaries anProductionrofittureveIopmentThe Print HeadTo understand dot graphics you need to know a little about

closely at a newspaper photograph, you will find that it is made upof thousands of small dots. Your printer also forms its images withpatterns of dots

Pin labelsTo tell the printer which pins to fire in each column, you first divideeach of the vertical columns into three sections of eight pins eachan

With this numbering system, any combination of the eight pins addsup to a decimal number between 0 and 255, and no numbers areduplicated.Because there

In this command, m selects the graphics option and nl and n2specify the number of columns to reserve for graphics. The availablegraphics options are l

For example, if you wish to send 1632 columns of graphics data, nlshould be 96 and n2 should be 6 because 1632 = 96 + (6 x 256).The printer interprets

Designing Your Own GraphicsWith what you know now, you can use the simplest application ofgraphics-calculating by hand the data to print the graphic i

Write the assigned values of the pins next to your design, then totalthe values for each column of dots. These totals are the values thatyou send to t

Below is the BASIC program that prints the design shown on theprevious pages. Note that the data numbers in lines 80 through 140are the same numbers t

Notice that the dots overlap quite a bit. This design was printedusing the triple-density, 24-pin graphics option because the densityis the same (180

Application NotesAlso included in the box with your printer is a booklet calledApplication Notes. It contains information on using specific softwareap

The reassigning commandThe LQ-850, LQ-950, and LQ-1050 have a command that allows youto change the graphics option assigned to any of the four individ

User-defined CharactersWith this printer, it is possible to define and print characters of yourown design. You can design an entirely new alphabet or

Design gridsTo design a character you use a grid that is 24 dots high-one dotfor each pin on the printer’s print head. The width of the charactermatri

There is one restriction in designing characters. Dots in the samerow may not print in adjacent columns. This means that there mustbe an empty dot pos

Data numbersThe 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 mosts

You have seen how to design a character by placing dots on a gridand translating the dots to decimal equivalents. The last step indefining a character

:II ,, “,; L ‘,.i’,Following the specification of the range of characters to be definedin this command are three data bytes, d0, dl, and d2, that spec

This example of a character definition program should make thisclear:10 LPRINT CHR$(27)"xO"20 LZRINI' CHR$(27)"6XHR$(O);30 LPRIm

Printing User-defined CharactersIf you entered the previous program example, you defined an arrowand placed it in the RAM location for ASCII code 64 (

Copying ROM Characters to RAMAfter running the program, if you select the user-defined characterset and try to print other characters, the only one th

Chapter 1Setting Up the PrinterUnpacking the Printer...1-2Checking the Parts...1-2Removing th

Letter Quality CharactersIf you select Letter Quality printing with the ESC xl command, youcan design user-defined characters using up to 29 columns o

Since superscript and subscript characters are smaller, when youdefine them you only need two bytes of data for each vertical row ofdots. Design grids

If you define characters in one mode, then switch to another modeand select the user-defined character set, the command is ignoredand nothing is print

Chapter 5Using the Printer OptionsThe Cut Sheet Feeder...5-2Installation...5-3Paper Han

The Cut Sheet FeederThe optional cut sheet feeder makes it possible to handle single-sheet paper more easily and more efficiently. Up to 150 sheets of

Installation1.Assemble the cut sheet feeder following the instructionsprovided in its accompanying manual.2.Make sure the printer is turned off. Then

: 3.Push the paper release lever back to the single-sheet position.4.Remove the paper tension unit by pressing the levers back toopen the mounting lat

Chapter 5Using the Printer OptionsThe Cut Sheet Feeder...5-2Installation...5-3Paper Han

The Cut Sheet FeederThe optional cut sheet feeder makes it possible to handle single-sheet paper more easily and more efficiently. Up to 150 sheets of

Installation1.Assemble the cut sheet feeder following the instructionsprovided in its accompanying manual.2.Make sure the printer is turned off. Then

Unpacking the PrinterChecking the PartsWhen you unpack the printer, make sure that you have all the partsshown below and that none have been damaged.\

: 3.Push the paper release lever back to the single-sheet position.4.Remove the paper tension unit by pressing the levers back toopen the mounting lat

5.Tilt the cut sheet feeder slightly forward to fit the notches at thebase of the unit over the pins on the printer. Then tilt the feederback until it

7.Raise the cut sheet feeder’s paper path guide and attach theprinter cover.5-6Using the Printer Options

8.Close the paper path guide.9.Turn on the cut sheet feeder mode by setting DIP switch 1-7 toON.Using the Printer Options

Note: Always make sure that the printer is turned off beforechanging the DIP switch settings.10. Turn on the printer.Paper Handling1.2.Make sure that

3.Slide the left paper guide to where the fin on the edge guidematches the arrow on the panel. Next, slide the right paperguide so that it roughly mat

Note: For best results, use typewriter quality paper. If youplan to use paper with a glossy or textured surface, test itbefore using it to print docum

6.Push the paper set levers back until they clamp the paperagainst the guide rollers. The levers will not close completely iftoo much paper is used. I

Testing the Printer in the Cut Sheet Feeder ModeWhen you perform the cut sheet feeder self test, the printer countsthe number of lines on the page. As

2.While holding down the LINE FEED button, turn on the printer.(For Letter Quality mode, press the FORM FEED button instead ofthe LINE FEED button.)A

WARNING: Several different versions of the printer havebeen designed for different electrical standards. The labelon the back of the printer shows the

3.The self test continues until the paper runs out or until you pressthe ON LINE button. To stop the test, press the ON LINE button.Note: To resume th

2.Push down on the two front levers on the left and right paperguides until they lock into position.Using the Printer Options5-15

3.Take a stack of envelopes and fan it; then tap the stack on a flatsurface to even the edges. Insert the envelopes into the front bin.4.Press the LOA

l When the specified paper bin is empty, the printer automaticallygoes off line and the PAPER OUT light goes on. To resumeprinting, add more paper and

Software operationThe following commands cause the printer to eject the sheet in theprinter without loading the next sheet.FF:Form FeedESC EM R:Ejects

2.Install the cut sheet feeder as described in this section, makingsure that DIP switch 1-7 is set to ON.3.If a single sheet is still in the printer,

4.To switch from the cut sheet feeder to continuous paper, pullpaper release lever forward to the continuous paper position.You do not need to change

5.Raise the paper path guide until it clicks open. This guide directsthe flow of continuous paper out of the front of the printer.6.Press the LOAD/EJE

2.Close the paper path guide and set the printer on line.3.Push the paper release lever back to the single-sheet position.5-22Using the Printer Option

Loading Single SheetsYour cut sheet feeder also has a single-sheet loading feature. Thisfeature is especially useful because it allows you to switch t

2.Remove any pieces of white packing material you find inside theprinter.3.Use the cross-head screwdriver that came with the printer tounscrew and rem

4.Press the LOAD/EJECT button to load the sheet.Note: If you want to load two or more consecutive single sheets,pull the paper set levers on the cut s

3.Tilt the back of the cut sheet feeder forward to release its notchesfrom the printer’s pins. Then lift up and remove the cut sheetfeeder.Using the P

4.Replace the paper tension unit as shown below. Tilt the unitback and position the back notches on the unit over the rearmounting pins of the printer

Removal of the cut sheet feeder is now completed. Be sure to storethe removed cut sheet feeder in its original box and packingmaterials.Using the Prin

The Pull TractorThe optional pull tractor provides optimum continuous paperhandling. The pull tractor is especially useful with continuouspreprinted f

3.Remove the paper tension unit by pressing the levers back toopen the mounting latches. At the same time, lift up the front ofthe unit.4.Hold the pul

5.Tilt the tractor unit toward you until the front latches click inplace over the front mounting pins of the printer.6.Pull the paper release lever al

Paper Handling1.With the printer cover unit removed, load continuous paper inthe push tractor as described in Chapter 2. However, positionthe left spr

CAUTION: Never use the platen knob to feed the paperwhile the printer is turned on. If you need to adjust the3.loading position, use the micro-adjustm

4.Adjust the sprocket units so that they are parallel with the pushtractor sprockets. Place the paper supports evenly between thesprocket units. (Ther

4. Remove th5.Slide the print head to the middle of the printerSetting Up the Printer1-5

6.If the paper does not fit exactly onto the tractor pins or if thepaper buckles, press in on the pull tractor knob and turn it in thedesired directio

8.See that the paper is not crooked or wrinkled and lock thesprocket units in place.0ICAUTION: Make sure that the sprocket units of the two.tractor un

10. Attach the paper guide. Then slide the edge guides together sothey meet at about the middle of the paper’s width.11. Install the pull tractor cove

Removing the Pull Tractor1.Remove the pull tractor cover and the paper guide.2.Tear off any printed sheets or extra blank sheets.Using the Printer Opt

3.Press the ON LINE button to take the printer off line and press theLOAD/EJECT button until the continuous paper feeds backwardout of the paper path

4.Remove the continuous paper from the push tractor unit. Then,push the paper release lever backward.5.Turn off the printer. Then, pressing the tabs o

6.Replace the paper tension unit as shown below. Tilt the unitback and position the back notches on the unit over the rearmounting pins of the printer

The Multi-Font ModuleThe optional Multi-Font Module (#7407) gives you an easy way tohave access to seven more fonts for your printer. After you instal

We've just seen your excellent ad forminiature zebras in a recent back issue ofTrader's Times. What is the price schedulefor quantities over

OCR-B!“#SX&‘O*+,-./0123456789:;<=>?aABCDEFGHIJKLHNOPQRSTUVWXYZC\l*-' abcdefghijklmnopqrstuvwxyzCI)C~CBBBIC9~~iCi~~~~~~~~~~~~~~f~R~~i6~f

EPSON®LQ-850/950/1050User’s Manual

6.Remove the left and right locking tabs.7.Attach the printer cover unit.1-6Setting Up the Printer

Orator-S!“#$%&‘()*+,-*/012~4~6789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]wxyz{tl u~aa6acee~rfiAA~~au~Ou~~~~~~R~6f6~f+iFi~O~f-~s~bcdefghljklmnopq

2.Dial the rotary switch on the font module to select the font youwant according to the table in the next section, Selecting a Font.3.Insert the font

4.Attach the font compartment cover.5.Turn on the printer. Then select SLOT A or SLOT B by pressing theFONT button on the SelecType panel.0 SANS SERIF

Selecting a FontThis table shows the family numbers and characters per inch of thefonts in the Multi-Font Module.Font name Family numberCourier2Presti

The Interface BoardsA number of optional interfaces are available that supplement thecapabilities of your printer’s built-in serial and parallel inter

Compatible InterfacesThe following is a list of Epson interfaces that are compatible withyour printer.Interface numberName#8143New serial interface#81

Removing the upper case1.Turn off the power to the printer and the computer. Next,unplug the power cord from the electrical outlet and disconnectthe i

3.Using a cross-head screwdriver, remove the two retainingscrews: one located at the front of the printer, the other at theback near the printer’s fan

5.Partially raise the upper case. Look under the control panel andnotice the clip that secures the control panel to the upper case.Now reach under the

7.With the control panel free of the upper case, tilt the casestraight back to detach the rear hinges, and then lift it off.Using the Printer Options5

8.Close the paper guide cover.WARNING: Be sure to remove all protective materialsbefore you turn on the printer.Setting Up the Printerl-7

8.Remove the shield plate above the parallel interface by pressingin on the plastic clips located at the back of the plate. (Thefollowing illustration

10. Remove the screw labeled CG (chassis ground) from the mainboard. The ground connector screw is located next to the powercable connector. Then set

If the FG wire is not attached, follow these steps:1.Set the DIP switches on the interface board according to themanual accompanying your interface bo

3.Reattach the power cable, making sure that the small fins on thewhite plastic clip are toward the inside of the printer. Take extracare to see that

4.Fit the interface board under the built-in tractor aligning theboard with the CN2 connector on the main board and with theinterface port of the back

5.Attach the plug end of the FG wire onto the FG pin located ontop of the interface board.If the FG wire is attached, follow these steps:1.Set the DIP

2.Carefully place the interface next to the printer as shown below.Use the CG screw to connect the round end of the FG wire to themain board.5-60Using

3.Reattach the power cable, making sure that the small fins on thewhite plastic clip are toward the inside of the printer. Take extracare to see that

4.Holding the interface board level, rotate it clockwise intoposition and attach it to the main board. Make sure theconnector pins are properly insert

Attaching the upper case1.Fit the rear hinges of the upper case into the openings in thelower case; then partially lower the upper case.0tCAUTION: Tak

Choosing a Place for the PrinterThere are several important things to consider when selecting aplace to set up your printer. Keep the following in min

2.Slide the control panel out through the upper case. Make surethe control panel cable is clear of the upper case. Then reinsertthe control panel into

4.Secure the upper case with the two retaining screws.5.Replace all parts and options you removed earlier.WARNING: Before you use the optional interfa

For all other data transfer conventions, such as word structure orcommunications protocol, use the information in the manualsupplied with your #8143 o

Chapter 6MaintenanceCleaning the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2Replacing the Ribbon . . . . . . . . . . .

Cleaning the PrinterTo keep your printer operating at its best, you should clean itthoroughly several times a year. Follow the steps below:1.Make sure

3.If the outer case or paper guide is dirty or dusty, clean it with asoft, clean cloth dampened with a mild detergent solution. Keepthe printer cover

Replacing the RibbonReplace the ribbon when the printout becomes too faint. Thefollowing Epson replacement ribbon cartridges are available:Printer Sta

2.To remove the ribbon cartridge, grip it by the two black handlesand lift the cartridge straight up and out of the printer. (Ribboncartridges #7753 a

4.To remove slack in the new ribbon, turn the ribbon-tighteningknob in the direction of the arrow.5.Push the new ribbon cartridge firmly into position

6.Use a pointed object, such as a ballpoint pen, to guide the ribbonbetween the print head and ribbon guide while you turn theribbon-tightening knob t

The illustration below shows a good printer arrangement.Note: Before using a printer stand, read these requirements andsuggestions.lThe stand should b

8.Reattach the6-8Maintenance

Transporting the PrinterBefore you transport your printer some distance, carefully replace itin the original box and packing materials, as described b

5.Slide the print head to the middle of the printer. While holdingthe paper bail bar open, reattach the left and right locking tabs.6.Slide the print

7.Using the cross-head screwdriver, reattach the two transportlocking brackets.8.Reattach the printer cover unit.WARNING: When you carry the printer,

9.Fit the printer back into the white packing material and thenback into its original box.6-12Maintenance

Chapter 7TroubleshootingProblems and Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2Power Supply...

Problems and SolutionsThis chapter discusses problems you may encounter whileoperating your printer and their likely solutions. If you are havingdiffi

OptionslUsing the cut sheet feeder, the paper does notfeed properly.lUsing the pull tractor with the push tractor,continuous paper does not feed prope

Power SupplyProblemSolutionPower is not beingsupplied.The POWER light doesnot go on.The POWER lightcomes on then goes off.The light stays off evenwhen

PrintingProblemSolutionThe printer does notprint.The ON LINE light ison but nothing isprinted.The ON LINE light isoff*The PAPER OUT lightis on.The sof

Assembling the PrinterAfter you’ve decided on the best place to set up your printer, thenext step is to install the platen knob.Installing the Platen

Problem SolutionThe printer does notprint (continued).The printer sounds likeit is printing, butnothing is printed.The printer makes astrange noise, t

ProblemSolutionThe print is faint oruneven (continued).The printout is faint.Dots are missingin the printedcharacters orgraphics.A line of dots ismiss

ProblemSolutionPrinted charactersare not what youexpected.The typestyle orcharacters that are setby the software cannotbe printed.The Roman, Sans Seri

ProblemSolutionPrinted charactersare not what youexpected(continued).Graphic characters orThe wrong character table is selected. Iflines are being pri

ProblemSolutionPrinted charactersare not what youexpected(continued).The wrong graphicscharacters are printed.The characters printedare smaller thanex

ProblemSolutionPrinted charactersare not what youexpected(continued).The printer prints aseries of strangecharacters.The print position isnot what you

ProblemSolutionThe print position isnot what youexpected(continued).Text is printed with anextra blank line inbetween, even aftersetting the auto line

ProblemSolutionThe print position isnot what youexpected(continued).Page length does notmatch the length of thepaper.Regular gaps occur inthe printout

ProblemSolutionThe print position isnot what youexpected(continued).Skip over perforation isset, but the perforationdoes not fall in thecenter of the

ProblemSolutionThe print position isnot what youexpected(continued).Vertical printed linesdo not align or gapsappear in lines orgraphics.The printer i

2.Push firmly on the platen knob until it fits against the printer case.01CAUTION: Do not use the platen knob to adjust the.position of the paper. Thi

Paper HandlingThe following section guides you through problems in handlingsingle sheets and continuous paper. If you are having problemsusing the opt

ProblemSolutionSingle sheets do notfeed properly(continued).The LOAD/EJECTThe paper release lever may be set in thebutton was pressed andwrong positio

ProblemSolutionSingle sheets do notfeed properly(continued).When the LOAD/EJECTThe paper may have been between thebutton is pressed, theedge guides be

ProblemSolutionContinuous paperdoes not feedproperly.When the LOAD/EJECTbutton is pressed, theplaten does not rotateand paper does notfeed.When the LO

ProblemSolutionContinuous paperdoes not feedproperly(continued).The paper feed iscrooked or the paperjams.The paper supply may be obstructed by acable

ProblemSolutionContinuous paperdoes not feedproperly(continued).The paper feed iscrooked or the paperjams (continued).Regular gaps occur inthe printou

ProblemSolutionContinuous paperdoes not feedproperly(continued).Skip over perforationdoes not function.Skip over perforation isset, but the perforatio

ProblemSolutionContinuous paperdoes not feedproperly(continued).The short tear-offYou may not have turned off the powerfunction is selectedafter setti

ProblemSolutionContinuous paperdoes not feedproperly(continued).When printing labels,the labels either do notfeed or feed incorrectly.Switching betwee

ProblemSolutionSwitching betweensingle sheets andcontinuous papercannot beperformed properly(continued).The paper release leveris correctly set forcon

3.Slide the print head to the middle of the printer.0ICAUTION: Never move the print head while the printer is.turned on because this can damage the pr

SolutionSwitching betweensingle sheets andcontinuous papercannot beperformed properly(continued).Even with the paperrelease lever setcorrectly to the

OptionsProblemSolutionUsing the cut sheetfeeder, the paperdoes not feedproperly.The LOAD/EJECTbutton is pressed, butthe platen does notmove and the pa

ProblemSolutionUsing the cut sheetfeeder, the paperdoes not feedproperly(continued).After a print commandis sent from thecomputer, the platenrotates,

ProblemSolutionUsing the cut sheetfeeder, the paperdoes not feedproperly(continued).After a print commandis sent from thecomputer, the platenrotates,

ProblemSolutionUsing the cut sheetfeeder, the paperdoes not feedproperly(continued).The paper feed isThe paper may be old or creased. Discardcrooked.i

ProblemSolutionUsing the cut sheetfeeder, the paperdoes not feedproperly(continued).One page of printinghas spread to twopages.When printingThe two fr

ProblemSolutionUsing the pulltractor with thepush tractor,continuous paperdoes not feedproperly(continued).Paper feed is crooked orthe paper jams.7-32

ProblemSolutionUsing the pulltractor with thepush tractor,continuous paperdoes not feedproperly(continued).Paper feed is crooked orthe paper jams(cont

ProblemSolutionUsing the pulltractor with thepush tractor,continuous paperdoes not feedproperly(continued).Skip over perforation isset, but the skip h

ProblemSolutionUsing the fontmodule, themodule’s fonts donot print.The font module is set,The font module may not be fullybut the fonts in theinserted

5.Hold the ribbon cartridge by its black, fin-like handles with theexposed ribbon away from you. (The LQ-850 ribbon cartridgehas only one handle.) Pus

ProblemSolutionUsing an optionalinterface, the printerdoes not operateproperly(continued).The printer does notprint or the printout isnot what you exp

ProblemSolutionUsing an optionalinterface, the printerdoes not operateproperly(continued).The printer does notprint or the printout isnot what you exp

Chapter 8Technical SpecificationsPrinter Specifications...8-2Printing...8-2Paper...

Printer SpecificationsPrintingPrint method:Print speed:24-pin impact dot matrixQualityCharacters per inchCharacters/second/lineHigh-speed draft10300No

Printable columns:Character spacingMaximum printed charactersLQ-850ILQ-950LQ-105010 cpi8011013610 cpi condensed137 18823312cpi96 13216412cpicondensed1

PaperPaper feeding methods: FrictionBuilt-in push feed tractor with papertension unitPull tractor (optional)Single-bin or double-bin cut sheet feeder(

Printable area:Single sheet0.33 inch (8.5 mm) minimumI1-J*Printable area1’0.12 inch (3.0 mm)minimumt0.53 inch (13.5 mm) minimumNote: For the LQ-850, p

Continuous paper0.35 inch (9 mm)minimum 0.47 inch (12mm) minimumNote: The minimum for the right and left margins increases to0.98 inch (25.0 mm) when

Paper weight:Paper thickness:Single Sheet 14 lb to 24 lbContinuous14 lb to 22 lbMulti-part12 lb to 15 lb per sheet.formsMaximum number sheets = 4Envel

MechanicalRibbon:MCBF:MTBF:Black ribbon cartridge #7753/#7767/#7754:Life expectancy (in Letter Qualitycharacters, at 48 dots/character)2 million chara

6.Use a pointed object, such as a ballpoint pen, to guide the ribbonbetween the print head and ribbon guide while you turn theribbon-tightening knob t

ElectricalVoltage:120 VAC f 10%Power consumption:(self test printing: draft mode)LQ-850: 55 WLQ-950: 60 WLQ-1050: 60 WFrequency:49.5 f 0.5 HzInsulatio

Interface SpecificationsYour printer is equipped with both a parallel and a serial interface.For specifications on optional interfaces, see the manual

19-30 -GND -3116INITINTwisted-pair return signal ground level.When this level becomes LOW, theprinter controller is reset to its power-upstate and the

b0l.The column heading “Direction” refers to the direction of signalflow as viewed from the printer.“Return” denotes the twisted-pair return, to be co

Printing enabled/disabled signals and control conditionsThe table below shows the relationship between printing beingenabled or disabled, the on line/

Signal levelMark (1) -3 V to -27 VSpace (0) +3 V to +27 VHandshakingHandshaking by DTR signal or X-on/X-off. The DTR signal changesto mark-meaning the

Option SpecificationsCut Sheet FeederDimensions and weight:#734814.45 inches 23.82 inches 20.20 inches 9.9 Ibs(367 mm) (605 mm) (513 mm)(4.5 kg)

Reliability (total cycle of bin 1 and bin 2)MCBF:100,000 cyclesPaper:Paper storagecondition:EnvironmentalTemperature: 64°F to 72°F (18’C to 22°C)Humid

InitializationThere are three ways that the printer can be initialized (returned to afixed set of conditions).Hardware initializationl The power is tu

Default SettingsThe following table shows the default conditions that become validwhen the printer is initialized.ItemReset to:Top of form positionCur

CAUTION: Film ribbon cartridges must be used andstored within the following temperature ranges:Operation: 41°F to 95°F (5°C to 35°C)Storage: -22°F to

Chapter 9Command SummaryUsing the Command Summary... 9-2Examples ...9-3Control Key Chart...

Using the Command SummaryThis chapter lists and describes all the commands available on theprinter.The first part of this chapter lists all commands i

All three formats are equivalent, so you can pick the one best suitedto your purpose. Variables are represented by italicized letters suchas n, nl, an

For the following commands that use only 0 or 1 for the variable,either the decimal or hexadecimal values 1 and 0 or the ASCIIch.u~acte~s 1 and 0 can

Commands in Numerical OrderThe following list shows control codes and ESC sequences withtheir decimal and hexadecimal values, and the page where thede

ASCIIDec.Hex.DescriptionPageESC *422AESC +432BESC -452DESC /47 2FESC 048 30ESC 25032ESC 35133ESC 452 34ESC 553 35ESC 654 36ESC 755 37ESC :583AESC <

ASCIIDec.Hex.DescriptionPageESC N784EESC O794FESC I’8050ESC Q8151ESC R82 52ESC S08353ESC S 18353ESC T84 54ESC U8555ESC W8757ESC Y8959ESC Z905AESC \925

Commands Arranged by TopicThis following section lists and describes all the commands by topic.See the Quick Reference card at the back of this book f

DC3Format:ASCII code:DC3Decimal:19Hexadecimal: 13Deselect PrinterComments:Puts the printer into the deselected state until the select printercode (DC1

ESC UTurn Unidirectional Mode On/OffFormat:ASCII code:ESC U nDecimal: 27 85 nHexadecimal: 1B 55 nComments:The following values can be used for n:1: Tu

FCC COMPLIANCE STATEMENT FOR AMERICAN USERSThis equipment has been tested and found to comply with the limits for a class B digitaldevice, pursuant to

2.Raise the paper guide until it locks into place.Note: To lower the paper guide, lift up slightly to release it fromits locked position; then gently

MSB ControlMSB means the Most Significant Bit. MSB control (ESC =, ESC >,and ESC #) does not work for graphics or user-defined characters.ESC =Form

BELBeeuerFormat:ASCII code:BELDecimal:7Hexadecimal: 07Comments:Sounds the printer’s beeperData ControlCRCarriage ReturnFormat:ASCII code:CRDecimal:13H

Vertical MotionForm feedingFFFormat:ASCII code:FFDecimal:12Hexadecimal: 0CForm FeedComments:Prints the data in the print buffer and advances the paper

ESC C0Set Page Length in InchesFormat:ASCII code:ESC C 0 nDecimal:27 67 0 nHexadecimal: 1B 43 00 nComments:Sets the page length to n inches. The value

Line feedingLFFormat:ASCII code:LFDecimal:10Hexadecimal: 0ALine FeedComments:When this command is received, the data in the print buffer isprinted and

ESC 2Select l/6-inch Line SpacingFormat:ASCII code:ESC 2Decimal:27 50Hexadecimal: 18 32Comments:Sets the line spacing to l/6 of an inch for subsequent

ESC JPerform nll804nch Line FeedFormat:ASCII code:ESC J nDecimal:27 74 nHexadecimal: 1B 4A nComments:Advances the paper n/180 of an inch. The value o

ESC bSet Vertical Tabs in ChannelsFormat:ASCII code:ESC b c nl n2 . . . 0Decimal:27 98 c nl n2 . . 0Hexadecimal: 1B 62 c nl n2 . . . 00Comments:Functi

Horizontal MotionMarginsESC 1Format:ASCII code:ESC 1 nDecimal:27108 nHexadecimal: 1B 6C nSet Left MarginComments:Sets the left margin to n columns in

BSBackspaceFormat:ASCII code:BSDecimal:8Hexadecimal: 08Comments:Prints out data in the print buffer, then moves the print positionone space to the lef

3.Attach the printer cover by fitting the hooks on the cover intothe notches at the front of the printer and tilting the cover backinto place.4.Close

ESC \Set Relative Print PositionFormat:ASCII code:ESC \ nl n2Decimal:27 92 nl n2Hexadecimal: 1B SC nl n2Comments:Determines the position (relative to

ESC D Set Horizontal TabsFormat:ASCII code:ESC D nl . n2 . . . 0Decimal:27 68 nl n2 . . . 0Hexadecimal: 1B 44 nl n2 . . . 00Comments:This command allo

ESC kFormat:ASCII code:ESC k nDecimal:27107 nHexadecimal: 1B 6B nSelect Typestyle FamilyComments:This command affects only the Letter Quality typestyl

Print Size and Character WidthESC PFormat:ASCII code:ESC PDecimal:27 80Hexadecimal: 1B 50Select 10 CPIComments:Selects 10 character per inch printing

ESC pTurn Proportional Mode On/OffFormat:ASCII code:ESCnDecimal:271E nHexadecimal: 1B 70 nComments:Turns proportional mode on and off.The following va

ESC SISelect Condensed ModeFormat:ASCII code:ESC SIDecimal: 27 15Hexadecimal: 1B 0FComments:Duplicates the SI command and the function of the CONDENSE

ESC SOSelect Double-wide Mode (one line)Format:ASCII code:ESC SODecimal:27 14Hexadecimal: 1B 0EComments:Duplicates the SO command.ESC WTurn Double-wid

,Turn Double-high Mode On/OffFormat:ASCII code:ESCnDecimal:271: nHexadecimal: 1B 77 nComments:Doubles the height of all characters.The following value

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

ESC S0Format:ASCII code:ESC S 0Decimal: 27 83 0Hexadecimal: 1B 53 00Select Superscript ModeComments:Prints characters about two-thirds of the normal c

Testing the PrinterNow that your printer is fully assembled, you can use its built-in self test function to see that the printer is working correctly

ESC(-Select ScoreFormat:ASCII code:ESC ( - nl n2 mdl d2Decimal:27 40 45 nl n2 mdl d2Hexadecimal: 1B28 2D nl n2 mdl d2Comments:Use decimal or hexadecim

ESC-Turn Underline Mode On/OffFormat:ASCII code:ESC - nDecimal:27 45 nHexadecimal: 1B 2D nComments:This mode provides continuous underlining including

Word ProcessingESC aSelect JustificationFormat:ASCII code:ESCnDecimal:27 9”7 nHexadecimal: 1B 61 nComments:Sets the type of justification.The followin

Character TablesESC tSelect Character TableFormat:ASCII code:ESC t nDecimal:27116 nHexadecimal: 1B 74 nComments:Selects the character table used by co

ESC 5Cancel Italic ModeFormat:ASCII code:ESC 5Decimal:2753Hexadecimal:1B35Comments:Cancels the mode selected by ESC 4.ESC RSelect an International Cha

User-defined CharactersSee Chapter 4 for sample programs and full information on thistopic.ESC &Define User-defined CharactersFormat:ASCII code: E

ESC %Select User-defined SetFormat:ASCII code:ESC % nDecimal:27 37 nHexadecimal: 1B 25 nComments:This sequence is used to print the user-defined (down

GraphicsSee Chapter 4 for sample graphics programs. See the table underESC * for graphics modes.ESC KSelect Single-density Graphics ModeFormat:ASCII c

ESC ZSelect Quadruple-density Graphics ModeFormat:ASCII code:ESC Z nl n2Decimal:27 90 nl n2Hexadecimal: 1B 5A nl n2Comments:Turns on 8-pin, quadruple-

ESC ?Reassign Graphics ModeFormat:ASCII code:ESC ? s mDecimal:27 63 s mHexadecimal: 1B 3F s mComments:Changes from one graphics mode to another. The v

Running the Self TestThe self test prints out the settings of the printer’s DIP switches andthe characters in the printer’s memory. The test can be ru

AppendixProportional Width Table...A-2Character Tables...A-6A-l

Proportional Width TableThis table lists the widths of your printer’s proportional characters.The values given are in 360ths of an inch. (For example,

CodeCHRWidthCode404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F60616263eABCDEFGHIJKLMN0iRSTUVWXYZ:1A361243612436124361243612436124361

CodeWidth3012030/2018112181121811236124361243612442/284212830120301203012036124361243612436124421283012030120361244212830/2030120181123012036124361243

Code03D4D5D6D7D8D9DADBDCDDDEDFEOElE2E3E4E5E6E7E8E9EAEBECEDEEEFFOFlF2F3F4F5F6F7Wldth303030303030303030303030303C!l2030120301203012030120301203012030120

-.“-Character TablesThese character tables are selected by DIP switch 1-4 or the ESC tsoftware command. For the Epson Extended Graphics charactertable

Epson Extended Graphics Character TableA-7

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

byteA unit of information consisting of eight bits.carriage return (CR)The control code that returns the print position to the left margin.When issued

data dumpSometimes called hex dump. A troubleshooting feature. When theprinter is in the data dump mode, each code that it receives isprinted in hexad

2.3.Push the paper release lever back to the single-sheet position.While holding down the LINE FEED button (draft mode) orFORM FEED button (Letter Qua

draft modeOne of three print qualities available on your printer. Draft usesfewer dots per character for high-speed printing. See also high-speeddraft

high-speed draftOne of three print qualities available on your printer. High-speeddraft uses a minimum number of dots per character for high-speedprin

memoryThe printer, like a computer, has a memory. When you print a filefrom a computer, the contents of the file are transferred quicklyfrom the compu

paper-out sensorA small switch behind the platen that sends a signal when it is notin contact with paper, informing the printer and remote computertha

push tractorA built-in device that feeds continuous paper through the printer.RAMAcronym for Random Access Memory. The portion of the printer’smemory

tractorThe part of the printer that moves continuous paper through theprinter by its sprockets gripping the holes in continuous paper.unidirectional p

IndexCommand descriptions are not indexed here. To locate the page number ofa specific command, see Chapter 9 or the Quick Reference card.AAccessories

Control panelbuttons, 3-3features, 3-5lights, 3-2operating, 3-2-5SelecType, 3-4Courier font, 5-41, 5-47Cross-head screwdriver, 1-4Cut sheet feeder, 1-

HHandshaking timing #8143 serialinterface, 5-66Hex dump, see Data dump modeHigh-speed draft, 4-2-3font, 3-21-22mode, 1-19, 1-26, 3-7, 3-10Horizontalmo

OOCR-A font, 5-42, 5-47OCR-B font, 5-43, 5-47ON LINEbutton, 3-3light, 3-2Operation, checking l-27-29Optionsproblems, 7-27-37see Cut Sheet Feedersee In

4.Move the left edge guide to the right or left until it rests againstthe triangular guide mark on the paper guide.5.Adjust the right edge guide to ma

Printerassembling, 1-10-17cleaning, 6-2-3connecting to computer,1-30-33location for, 1-8-9maintaining 6-2-12options, using 5-2-66plugging in, 1-18sett

Specifications, 8-2-18cut sheet feeder, 8-15-16electrical, 8-9environmental, 8-9initialization, 8-17-18interface, 8-10-14mechanical, 8-8options, 8-15-

EPSON®LQ-850/950/1050Quick Reference

Commands Arranged by TopicThis section lists all the commands. The numbers in the columns on the right are thepage numbers in Chapter 9 where a comple

Horizontal MotionOverall Printing StyleCodeDeeESCx120ESC k107ESC!33Hex FunctionPage78Select Letter Qualityor Draft9-226B Select Type-style Family9-232

Character TablesCode1 Dee ) Hex 1 Function) PageFSC ti1161741Select Character TableI9-34---ESC 4ESC5ESC R5234Select_-. .-..- ..-- fItdic MO&5335ca

EPSON®Printed in Japan 90.01-40.0

6. Next, slide a sheet of paper down between the edge guides untilit meets resistance. After about two seconds, the printer loadsthe paper automatical

7. If the test results are satisfactory and you wish to stop the test,press the ON LINE button.If the test results are not satisfactory, see Checking

8.To end the self test, press the FORM FEED button to eject anypaper that is still loaded. Then turn off the printer.WARNING: After turning the power

Here are parts of typical self tests.Normal draft modeABCDEFGHIJKLMNOPQRSTUVWXYZC\l^_'abcdefghijklm~BCDEFGHIJKLMNOPQRSTUVWXYZC\I^ abcdefghijklmn

IMPORTANT SAFETY INSTRUCTIONS1.2.3.4.5.6.7.8.9.Do not locate this product where the cord will be walked on.Read all of these instructions and save the

High-speed draft modeI"#$%&'()*+,-./01234567S9:;(=>?@ABCDEFGHIJ~L~!"#$%&'(py-./0123456787:,<->?@ABCDEFGHXJKLM~&qu

Checking the OperationIf the self test does not print properly, check the control panel andthe print head area. If paper is jammed, turn off the print

ProblemSolutionThe print is faint oruneven.Printed charactershave part missing atthe bottom as shownhere.ABCDThe printout is faint.Dots are missing in

Problem SolutionDots are missing inthe printedcharacters orgraphics.(continued)Dots are missing inrandom positions.There is either too much slack in t

Connecting the Printer to Your ComputerYour printer has two separate interface connections: a parallelinterface and an RS-232C compatible serial inter

The Parallel InterfaceConnect the parallel interface cable as described below:1.Make sure that both your printer and computer are turned off.2.Plug th

4.If your cable has a ground wire, connect it to the ground screwbeneath the interface connector.5.Plug the other end of the cable into the computer.

2.Plug the connector securely into the printer.WARNING: Do not plug more than one interface cable intothe printer at once. This may damage the printer

Setting Up Your Application SoftwareNow that you have set up and tested the printer, you should makesure that it works with your application programs.

Chapter 2Paper HandlingUsing Single Sheets...2-2Loading Paper...2-2Reloading During Prin

10. If an extension cord is used with this product, make sure that thetotal of the ampere ratings on the products plugged into theextension cord do no

Using Single SheetsYour printer can accommodate single sheets up to a maximumwidth of 10.1 inches (257 mm) on the LQ-850,13.0 inches (330 mm)on the LQ

3.Turn on the printer. The POWER and PAPER OUT lights come on.Note: Do not insert paper in the printer before turning on the printer.4.Move the left e

5.Adjust the right edge guide to match the width of your paper.6.Slide the paper down between the edge guides until it meetsresistance and the PAPER O

WARNING: Never advance the paper using the platenknob except in the case of a paper jam or other paper feedproblem. Using the platen knob while the pr

Using Continuous PaperThe tractor built into your printer is remarkably easy to load andoperate. Its low-profile design takes up little space and can

Be sure to align the paper supply with the paper loaded in thetractor so that the paper feeds smoothly into the printer.Loading Continuous Paper1.Be s

uide cover and remove the paper guide.3.Open the paper g4.Attach the paper rest2-8Paper Handling

5.6.Release the sprocket units by pulling the sprocket lock leversforward as shown below.Slide the left sprocket unit all the way to the left and pres

Note: The first printable column position is indicated by the markshown in the illustration below.7.Slide the right sprocket unit so that it roughly m

8.Move the paper support midway between the two sprocketunits.9.Open both sprocket covers.01CAUTION: Make sure that the first sheet of paper has a.cle

ContentsIntroduction1Features...1Options...2About This Manual...

10. Fit the first four holes in the paper over the pins of bothsprockets.11. Close the sprocket covers.2-12Paper Handling

12. Slide the right sprocket unit to a position where the paper isstraight and has no wrinkles. Then lock it in place.13. Reattach the paper guide on

Note: For normal use, the paper thickness lever is s2. If you are using special paper, see The Paper Thiclater in this chapter for details. et to posi

16. Press the ON LINE button to set the printer on line so that it canaccept data.The printer remembers the loading position and advances each pageto

-Switching Between Continuous and Single SheetsEven with continuous paper loaded in the printer, the SmartParkfeature allows you to easily switch to

2.Tear off any outgoing sheets. If the paper has advanced past theprint head, you need to press the FORM FEED button to advanceyour document to a poin

Press the LOAD/EJECT button to feed the continuous paperbackward out of the printer and into the standby position. Thepaper is still attached to the t

4.Push the paper release lever back to the single-sheet position.5.Lift the paperPaper Handling2-19

6.Move the left edge guide until it rests against the guide mark.Adjust the right edge guide to match the width of your paper.7.Close the paper guide

8.Slide a sheet of paper down between the edge guides until itmeets resistance and the PAPER OUT light goes off. After abouttwo seconds, the printer l

Selecting an International Character Set...3-26Selecting a Graphics Character Set...3-28Choosing a Character Table...

1.Open the paper guide cover.2.Lift up slightly on the paper guide and then lower it onto theback of the printer.2-22Paper Handling

3.Slide the left and right edge guides together so that they meet atabout the middle of the continuous paper's width.4.Pull the paper release lev

5.Press the LOAD/EJECT button to feed the continuous paper to theloading position. Then, press the ON LINE button to set theprinter on line so that it

Printing on Special PaperIn addition to printing on single sheets and continuous paper, yourprinter can also print on a wide variety of paper types, i

Note: For normal use, set the paper thickness lever to position 2on the scale.If you have installed the optional film ribbon cartridge, and youwant to

To change the paper thickness setting, follow these steps.1.Make sure that the printer is turned off. Then remove the printercover.WARNING: If the pri

2.Select the paper thickness you want according to the tablebelow. For normal use, the lever should always be set toposition 2 on the scale.3.Reattach

To help you check the position of the paper thickness lever, theorange MULTI-PART light on the control panel comes on if thelever is set to position 4

When you set the paper thickness lever to position 4 or above, theMULTI-PART light comes on and the printer reduces its printingspeed.0ICAUTION: Do no

To eject labels from the printer, follow these steps:1.Open the paper guide cover and remove the paper guide.2.Tear off the sheet of labels at the per

Chapter 9 Command Summary9-1Using the Command Summary...9-2Commands in Numerical Order... 9-5Commands Arranged

3.Press the ON LINE button to set the printer off line. Then press theFORM FEED button to eject the labels.EnvelopesYou can feed envelopes individuall

When manually feeding an envelope, you may have to push it downslightly to get it to feed properly. After about two seconds, theenvelope loads automat

0.33 inch(8.5 mm) or more0.87 inch(22 mm) or more0ICAUTION: Envelope printing is available only at normal.temperature (41°F to 95°F or 5°C to 35°C).To

Chapter 3Using the PrinterOperating the Control Panel . . . . . . . . . . . . . . . . . . . . . . . . .3-2Setting the DIP Switches...

The indicator lights give you the current status of the printer. Thebuttons and paper handling functions let you control many of theprinter settings.L

Buttons0 POWER0 READY0 MULTI-PART 0 PAPER OUTSelecType0 SANS SERIFOCGNDENSEDEl,-OAD/ EJECTcl1))BIN ’0) 11BIN;BIN 1/BIN 2When the printer is on-line,pr

SelecType0 POWER0 READY0 MULTtPART0 PAPER OUTSelecType 1FONTnON LINE0 DRAFT0 ROMAN0 SANS SERIFcl0 SLOT AI[FORM FEEI0 SLOT BFONTPress this button to se

Other control panel featuresThe control panel of your printer also gives you access to severalspecial functions.Self test:Micro-adjustment:Data dump:B

Setting the DIP SwitchesThe printer has two sets of DIP (Dual Mine Package) switcheslocated on the back panel. By changing the settings of theseswitc

The DIP Switch TablesThe tables below describe the DIP switch settings. The shadedsettings are the preset factory settings.DIP Switch 1SW Description1

IntroductionThe Epson® LQ-850, LQ-950, and LQ-1050 are advanced 24-pinimpact dot matrix printers, combining high performance andreliability with a wid

Table 1 International character setsSee Selecting an International Character Set later in this chapter forother character sets.International character

Table 3 Baud rate selectionf%gpJ300 bpsON ONTable 4 Graphics character setsGraphics character sets are selectable only when the DIP switch 1-4is ON.Ta

The DIP Switch FunctionsAuto line feedWhen auto line feed is on (DIP switch 2-8 on), each carriage returncode (CR) is automatically followed by a line

Page LengthTo obtain one of the four page lengths, set DIP switches 2-l and 2-2according to the Page length selection table. The page lengths are:8.5

._._,,‘.Skip Over PerforationBy changing the setting of DIP switch l-8, you can set skip overperforation to on or off. If this feature is on when usin

Note: Most application programs take care of top and bottommargins. Use skip over perforation only if your program does notprovide these margins.The s

Adjusting the Loading PositionThe Loading PositionThe loading position is the position of the paper when it has beenautomatically loaded by the print

Using Micro-adjustment1.2.3.Make sure that the printer is turned on and that either a singlesheet or continuous paper is ready to be loaded.Press the

Note: When the paper reaches the factory-set loadingposition, the printer beeps and micro-adjustment feedingpauses for a moment before continuing. You

Using Short Tear-offWhen you are finished printing, the short tear-off featureautomatically feeds the perforation of the continuous paper to thetear-