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ii Copy right N otic e All rights reserved. No part of t his publicatio n m a y be reproduced, stored in a retr ieval system, or transmitted i n a ny form or by any means, electronic, mech ani c al , phot ocop ying, recor ding , or ot herw ise, withou t th e pr ior writte n permission of SEIKO EPSON Corporation.
ii i Conten t s I ntr od ucti on Sy stem Re quir eme nts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Int ro- 3 How to Use Thi s M anu al. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Int ro-4 Cau tio ns, T ips , an d No tes .
iv Chap ter 4 Using Specia l Effects Mo difyi ng t he TWA IN C on figu ratio n . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -2 Us ing the Ima ge C ontr ols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 3 Ad just ing the Tone Co rrect ion .
v Sca nner Se ttin g G uid eline s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B- 12 Ju dgin g Im age Q ua lity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 8 Eq uipm ent . . . . . . . . . .
vi.
In tro duc tion 1 Introd uction The EP SON ® Sc anning Utilities let you perform th e fol lowing func tion s with y our E PSO N sca nne r: ❏ Read images in c olor, g ray scale, or black -and-w hite.
2 In tro duc ti on The Sc anning Util ities include two integr ated programs: ❏ EPSON Scan! II32 a nd EPSON TWAIN32 ( for 32- bit scanni ng wit h Microsoft ® Wi ndo ws ® 95 or Windows NT ® ) ❏ EPSON Scan ! II an d EPSO N TWAIN (for 16-bit scan ning with Wind ows 3.
In tro duc tion 3 Sy stem R equir ements For th e EPSO N Scan ning U tilit ies to wo rk prop erly , y our sy stem must have at l east the followi n g configur ation : ❏ One of t he foll ow i ng EPSO.
4 In troduc tion ❏ If you do n ot have Windows 95 o r Win dows NT a nd you a r e using a n Adaptec SC SI adapt er , you need t o inst al l the Adaptec E Z-S CSI software, as described in y our A daptec docume nta tion.
In tro duc tion 5 Cautio ns, Tips , and Note s This manual disp lays importan t infor m ation as follows: c Caution s should b e fo llowed c arefully to ensu re your scanner o p erates correctly. r Tip s contain helpful idea s for using these u tilities.
6 In troduc tion You ca n purchase ma nuals, accessor ies, or parts f rom EPSON Acc ess ori es at (800) 87 3-7766 ( U.S. s a les on l y ). In Canada, please call (800) 463-7766 for de aler ref erral . If you need help u sing so ftware w ith an EPS ON prod uct, se e the doc umenta tion f or t hat pro gram f or tec hnica l sup port in for ma ti on .
In tro duc tion 7 EPSO N Fax- on-Deman d Servi ce You can access EPSON’s technical infor mati on library by calling (800) 442-21 10 or (80 0) 922-8911 and select ing the appr opriat e phon e op tion. You must pro v id e a return fax numb er t o use Fax - on-De mand.
8 In troduc tion.
Install ing Your Software 1-1 Chapter 1 Installin g Your S o ftwar e The EPSON Scan ning Utilit ies come with install er software t hat makes them easy t o install wi th Windows 95 or Windows 3.
1-2 Installing Yo ur Sof t ware Installing the Scanning U tilit ie s Foll ow the steps below t o install t h e EPSON Scanning Uti lities for Windows 95, W indows NT, Window s 3. 1, or Window s for Wor kgrou ps 3.1. T he insta ller pro gram a utoma ticall y detec ts your o peratin g system and i nstalls 3 2-bit or 16-bit file s as nec essa ry.
Install ing Your Software 1-3 Choose Do not in stall a dr ive r an d cl ick OK . You do not need t o install EZ -SCSI, ev en if you are usin g an Ada p tec SCS I card, if t he card is already set u p. See your Adaptec d o cum entation for instruct ions on how to set u p t his card.
1-4 Installing Yo ur Sof t ware 9. After a f ew m oments, you see the EP SON Scanner Setup dialog box. From the In t erfac e pull -down menu , choose SCSI if your s can ner i s c onne ct ed to a SCSI in terf ace or BiD Parallel i f it is con nected to a bidire ctional paralle l in terface.
Install ing Your Software 1-5 12. Click the Test button . If the scan n er , inte r f ac e, and EPSON Sca nning U tili ties a re set u p corre ctl y, the scanne r sc a ns t he image. After a few moments, y ou see the image in t h e EPSON Scanner Set up dialog b ox, as s h own bel ow .
1-6 Installing Yo ur Sof t ware.
Calibra t ing You r S ystem 2-1 Chapter 2 Calib rating Your Syst em Some tim es the co lors o f yo ur or iginal i ma ge do not ma tch the colo rs you s e e on your scr een and in the fina l prin ted outpu t. Thi s is b ecaus e of the differ e nt c olor p rocesse s your s canne r, mon i to r, and pri nter us e to produc e col or.
2-2 Calibr ating Your Syst em Performing Screen Calibration Foll ow these steps to perform a screen cali b rat ion: 1. From Windows 95, click the Start button , po i n t to Pro grams , point t o EPSON Scann e r , and then clic k EPSON Screen Cali bratio n .
Calibra t ing You r S ystem 2-3 4. Click OK . Y ou r se tti n g is a u tom at ic all y s ave d as a n ew s cr een calibr ation profile. If you use a diff erent mon itor or ch ange you r video d isplay res o lu tion, ca libra te you r scree n agai n.
2-4 Calibr ating Your Syst em Calibrating Y o ur Printer t o Your Scanne r If y ou pr int color im ages, you must choose o r create a calibr ation pr of ile fo r ea ch c o lor pr int er yo u u se. Us in g pr in ter ca lib rat io n prof iles ens ures tha t print ed colo rs close ly ma tch the colors o f the ori g i n al im age.
Calibra t ing You r S ystem 2-5 You s ee the P rint Ch art dialo g box. 2. Se lec t th e p rin te r yo u w ant to c ali br at e fro m t he dr op-d ow n men u.
2-6 Calibr ating Your Syst em 4. You see a mes sage box. Cl ick OK when th e chart i s printe d. 5. Plac e the printe d calibr ation chart on your s c an n er, as s h own by the illustrat ion on the scre en. Alig n the gui de mark on the upper lef t corner o f the cha rt with the tria ngular origin mark on y our scanner’s document table.
Calibra t ing You r S ystem 2-7 7. Click t h e Sc an bu tton . Th e sc a n ner scan s the ch art and the calibr ation uti lity sends the profile to E P SON TWAIN. W hen ca lib rat io n is fin is hed , t he mes sa ge Cal ibra tio n profile completed ap p ears on the scre en .
2-8 Calibr ating Your Syst em 4. Click Dest i na tion to displa y the D estin a tion dialo g box. 5. In t he Destin ation Name fi eld, se lect th e name of your output de vi ce. If you h av e one of the EPSO N Stylus printers li sted on p age 2-4, select the pr in t er fr om the Des t i n at ion Name menu.
C a pturing I mages From Wit h i n Applications 3- 1 Chapter 3 Cap turing Imag es From Wit hin App lications When you scan an im age f r om within an appli cation usin g EPSON TWAIN, you f o llo w t hese basic steps: 1. Tur n on you r scann er. 2. Acces s TWAIN fr om your appli catio n ’ s Fil e m en u .
3-2 Cap t u ring Im a ges Fro m Within Appli c a tions Note : If your applic ation does n o t supp ort TWAIN, y o u can use EPS ON Scan! II to sc a n an ima ge and export it in a format you r i mage edit ing software can u se. See Chapter 5 for more i nformation.
C a pturing I mages From Wit h i n Applications 3- 3 The easy screen all o ws you to selec t the document source (if availab l e), ty pe, and d estin ation of your i m age.
3-4 Cap t u ring Im a ges Fro m Within Appli c a tions Note : To close an active TW AIN window, click the Clo se bu tt on. Us ing the Easy Screen The f ollowing basic settings ar e available on t h e TWAIN easy screen: ❏ Do cument sour ce ❏ Image t ype ❏ D esti n atio n .
C a pturing I mages From Wit h i n Applications 3- 5 Selecting the Document Source If y ou have t h e opti onal au tomati c doc ument fee der (ADF) or tran sparency unit i nstall ed on your scanne r, you ca n sele ct the option y o u want t o use from the Documen t Sourc e pull -down men u.
3-6 Cap t u ring Im a ges Fro m Within Appli c a tions If you have n’t chan ged an y of the s etting s for the se opti ons, th e image type you select uses the default set tings listed in Appendi x A. To add a new Image Type op tion or m odi fy any existin g settin g s, see “Using the Adva nced Screen” on page 3- 7.
C a pturing I mages From Wit h i n Applications 3- 7 Us ing th e Advan ce d Scr een The TWAIN ad vanced screen allows y o u to select the same b as ic settin gs as the easy screen, an d al so to ad d new opt ions and modif y existi ng ones.
3-8 Cap t u ring Im a ges Fro m Within Appli c a tions You see th e Image Type di alog box: For th e defa ult setti ngs f or the p redefine d imag e types , see Append i x A.
C a pturing I mages From Wit h i n Applications 3- 9 Not all op t ions in the Image T ype dialog box are av ailable with all sc anners, im ag e types, or Pixel D ep th s et tings. See page 3-11 for m ore inf orma tion on w hen t he Pixe l D ept h setting s are availabl e.
3-10 Captu ring Images From W i thin App lications * W hen po ssible, l et your i mage editing softwa re per form ha lfton ing. ** Acti onS cann e r II, ES -1000C, ES-1 200C , an d Exp ressi on 6 36.
C a pturing Images From Within Ap p l ications 3-11 The followin g table identi fies the options av ailable with eac h Pix el Depth s etting . Sin c e bot h th e Draft & fast an d Best & de-sc reening Q uality option s ar e available with all the Pixel Depth settings, the table does not include these options.
3-12 Captu ring Images From W i thin App lications Saving an d deleting an imag e type To modify an existing image type, select it from the Image Type Name menu and c h an ge the n ec es sary settin g s . Clic k Save and then clic k O K. To add a new image type, select an existi n g type th at c losely resembles the one you want to create.
C a pturing Images From Within Ap p l ications 3-13 To modi fy t he Des tina ti on se tti ngs, c lic k th e D es tina tio n bu tt on . You see the Des tination dia log box: The Destinatio n Name menu lists th e names of the predefined and custom des tinat i on outpu t devic es.
3-14 Captu ring Images From W i thin App lications The be st resolu tion se tting fo r your i mage de pends o n the typ e of ima ge you ar e scanning an d y our final output de vice, as well as the capabil ities of yo ur scanner. The followin g table shows the best scanni ng re solu tions fo r most n eeds .
C a pturing Images From Within Ap p l ications 3-15 r Tip : As a rule o f t humb for any image exc ept line art, use scan ning resolutions th a t are one third of y o ur output resolut ion. For example, use a sc a nning resoluti o n of up to 1 10 with a 300 dpi laser printer and up t o 170 w it h a 600 dpi laser printer.
3-16 Captu ring Images From W i thin App lications In ad dition to the c alibrat ion prof iles p rovided with the Scan ning Utilit ies, you can creat e you r own cali b rat ion profile s for an y output d evice yo u use. For more i n fo rmation , s ee Chapter 2.
C a pturing Images From Within Ap p l ications 3-17 The TWAIN advanced screen pro vides two i c on s that a llow you to preview you r image: the P review icon and the Zoom Preview ic on: Click t he Preview icon to previ ew the entire document table in the preview window.
3-18 Captu ring Images From W i thin App lications To defi ne a specific area, positi on t he mouse poin ter at a corn er of th e area; the poin ter cha nges to a +. H old do wn the m ouse butto n as you d rag the po inter acro ss the im age. W hen you release the mouse button, a r ec tangle on the screen identifies the scan ar ea.
C a pturing Images From Within Ap p l ications 3-19 As yo u modify you r select ion area or ot her image sett ings, you see the f ile size of the image change in th e Target field .
3-20 Captu ring Images From W i thin App lications Note : ❏ The r ange of pos sibl e Scale se ttings v aries dependi ng o n the curr e nt Reso lu tio n setting. ❏ F or ES 600C, ES 800C, and E S 1200C scanners, th e possible Sc al e settings a re limited to this range: hal f the norma l si ze (50% ) to twi ce the normal s ize (200%).
C a pturing Images From Within Ap p l ications 3-21 Note : ❏ Y o u cannot scan an i m a ge that e xceeds av ailable memory or disk space. ❏ Befor e you start sc anning , you should c alibra te your scanne r , monit or , an d printer as d escri be d i n Cha pter 2.
3-22 Captu ring Images From W i thin App lications.
Using Sp ecial E ffects 4-1 Chapter 4 Using Sp ecial Effect s The EPSON TWAIN adv an ced screen gives you many options f or e di t in g i mag es be fo r e yo u s can the m. If you h ave ima ge edit ing software, you ca n achieve al l of the spec ial effec ts d esc ribe d in this chap ter—a nd mo re—u sin g th at soft ware .
4-2 Usi ng Special Effec ts Modifying the TW AIN Configuration Whe n you cli ck th e Co n fig ura tio n butt on o n th e TWA IN advanced sc reen, you see the following dia log box: If you ha ve p erf or med a s cre en ca lib rat io n (a s de s crib ed in Chapter 2) , you can enable it by selec t i n g the Enable Scr een Calib rati on option .
Using Sp ecial E ffects 4-3 Us ing th e Imag e Con t r ols The i m age c on t rols availab le whe n you clic k t he Im age Controls icon, , let you adjust the following op t ions: ❏ Exposure changes.
4-4 Usi ng Special Effec ts 2. Click t h e I m age Con t rol s icon. You see t he follo wing dial og box: Comparison icons Color buttons Slide bars.
Using Sp ecial E ffects 4-5 3. A djus t the sett ings unt il you a re satis f ied w ith the appear ance of the im ag e in t he prev iew window. See the followin g t able for guidelines on chang ing these s ettings.
4-6 Usi ng Special Effec ts Adju sting t h e Tone Co rrect ion Adjustin g the tone levels let s you change the pixel bri ghtness in the mid tones, high ligh t s, and shadows of an image wit hout dramatica lly c h ang i n g it. This m odi fies t he contrast i n image tones so th ey rep roduce w ith gr eater d etail.
Using Sp ecial E ffects 4-7 Eac h Outpu t check box c orresp onds t o the point nex t to it on th e tone c u rve. W h en you clic k the c heckb ox for a specific point, you can m ove that po i nt, but it is not a ffecte d by the movemen t of other points .
4-8 Usi ng Special Effec ts Adjusting Colors After y ou ha v e previewed the i m age, cl i ck the Col or Adju stment icon, . You see the follow ing dialo g box: Note : If the I m age Ty p e is set for gr ayscale or bl ack-and-white images, the Color Adjustmen t icon is dim med and canno t be selected.
Using Sp ecial E ffects 4-9 Setting the Gray Balance Intensity Neutral shades of gra y are produced by mixing the three colors in the im age in app r oxima tely equal p roportion s. Sometimes , how ever, t he resul ting gra y shad es are n ot tru ly neu tral.
4-10 Usin g Special Effec ts Using Color Filters Color filters can hel p eliminate c olor tinges (or an undes irable overa ll color t one) that ex ist in t he original. Y ou c an also use filt ers to give y ou r image a sp ecific co lor eff ect. Click an y p o in t i n the Color Filter wh eel to increas e that c olor in the im age.
Using S pecial Effec t s 4-11 Using Au tomatic Features The TWAIN advanced screen of fers two au tomatic featu res: ❏ Auto Exposu re, whi ch autom atical ly ad justs the exposure of an image an d sets the Highlig ht and Sha do w se tti ngs ❏ Auto Loca te, w hich loc ates a nd se lects the targ et im a ge i n the previ ew window.
4-12 Usin g Special Effec ts.
Usin g EPSON Scan! II 5-1 Chapter 5 Using EPSON S can! II You c a n always scan an imag e usin g your TWA IN-com pliant image editin g applicatio n. However, if your applica tion i s not TWAIN-com pliant , you can u s e EPSON Scan ! II to scan the image and expor t it in a forma t you r appli cation c an open.
5-2 Usi ng EPSON S can! II 5. Choose Save As f r om the File menu. You see the following dialog box: 6. Choose the dr ive and direc t ory w her e you want to save the im ag e. 7. Type a filename for yo ur image in the File Nam e fie ld . M ake su re to use the file e xtens ion .
Usin g EPSON Scan! II 5-3 Foll ow these steps to export a scanned image fr om EPSON Scan ! II: 1. Choose Exp o rt from t he F i le menu. You s ee the foll ow ing dialog box: 2. Choose the drive and direc tory where yo u want t o save the im ag e. 3. Type a f ilename for your image in th e Fi le Name fiel d.
5-4 Usi ng EPSON S can! II 5. If y ou selec ted the T IFF 6. 0 or JPEG for mat, EPSO N Scan! I I allow s you to choose th e image qualit y. Sin ce JPEG uses a L oss y co mpr essio n sc heme , sel ect in g hi gh er qu ali ty gives you less compression.
Usin g EPSON Scan! II 5-5 3. Click Scan . Y ou see t he following dialo g box: 4. Choose the dire ctory an d drive where yo u want to save the exported image. 5. Type a f ilename for your image in th e Fi le Name fiel d. 6. You can choo s e on e of th ese for mats from the Fil e F o r m at pull- dow n men u: D IB , EPS F , TIFF5 .
5-6 Usi ng EPSON S can! II 8. Click OK . The image is s canned and ex ported in the selec ted f i le format. You can now import th is file in t o your appli c ation s o ftw ar e; see your softwa re ma nual fo r instru ctions . Cop y i ng an Image You ca n copy all or part of an image t o the clipboard.
Usin g EPSON Scan! II 5-7 Exiting EPSON Scan! II To exit EPSO N Scan! II, make s ure you h a ve saved or ex p or ted your image fi le. T h en choose Exit from th e F i le menu.
5-8 Usi ng EPSON S can! II.
Troubl eshooting 6-1 Chapter 6 Troub leshooting If y ou have problems usin g the EPSON Scanning Uti lities , or with th e quali ty of your p rinted or scanned images, chec k th e tw o s ect i o ns in th is cha pter fo r poss i ble s oluti o n s.
6-2 T roublesho o ting The EPSON T W AIN data s o u rce file, or the SCSI support sof tware may no t be insta lled corr ectly. R einsta ll the E PSO N Scan ning Utili ties from your inst all ation diskettes ; see Chapter 1 for in stru ctio ns. You m ay have s elect ed the wr ong p o r t numb er or SC SI ID duri ng setu p.
Troubl eshooting 6-3 The sy stem fai ls or an erro r message appear s when y o u choose Acqu i re from your a p plication soft ware. You may have more tha n one TWAIN screen open at on ce. Reset your compute r and use only o ne active T WAIN s creen. Your sc anned imag e may be t oo big.
6-4 T roublesho o ting The scanner does n o t start s canni ng. See that the s canner’s REA D Y l i ght is on . Reinstall the E P SON Scanning Utilit ies and be sure to selec t the corr ect inter face por t and se ttings ; see Ch apte r 1 for instr uct i o ns.
Troubl eshooting 6-5 The si ze of your i m ag e in creases after sc anni ng it into your i mage edit ing applic ation. Your im age editin g software m ay b e con verting t he image to full 24-bit data, which requ ires more disk s p ac e. See your ap pli c at ion soft w a r e man u al for more i n fo r m ation.
6-6 T roublesho o ting Auto Loc ate does not wo rk when scanni ng two or mor e originals. Make sure none of the doc um en t s are t ouching one anoth er on the do cumen t table. If y ou have multip le images on a p age, Auto Locate sel ects the who l e page.
Troubl eshooting 6-7 The appl icati on softw are display s an error messa g e, freezes , or fails aft er s canning . Make su re you clos e the T WAIN sc reen befo re switchin g to your applic ation software. (D o n ot use th e Windows Minimize button.
6-8 T roublesho o ting The rows i n the sc reen calibration di alog box never s eem to match close ly enou gh. Try a djusti ng your m onito r’s br i ghtn ess a nd con trast se ttings . The TWAI N scree n c h anged its col or sett ings afte r a preview s c an .
Troubl eshooting 6-9 Aft er clos ing the EPSO N TWAIN screen , a part ial image of an appli cation win dow appears ov er t he scan ned i mage. Use th e Up o r Down arrow or the m ouse to scro ll the applic ation ’s frame and clear the parti al imag e.
6-10 Trou bleshooting Par t of the i ma ge is dist ort ed o r bl urr ed. Part of the original may be w rin kled, warp ed , o r not in contact with the docu men t table. Be s ure the d ocum ent is fla t. c Caution : Do n ot pl ace h eavy obj ects on the docu ment ta ble.
Tr oublesh ootin g 6-11 Chec k your monit or’s bri ghtnes s and c ontras t setting s. Th e im age is to o d ark a nd wi thou t de tai ls. When the Pixel Depth setting is Blac k & White or 8 Col or, check th at the ha lfton e mode is s elect ed in the Image Type d ialog box .
6-12 Trou bleshooting A li ne o f do ts is al way s m issi ng on th e sc ann ed ima ge. If t his happens on your pr in ted im age, y our prin ter or its p rin t head m ay have a problem or need cl eaning; see y ou r prin ter man ual. If th i s hap pens on bo th your scree n and pr i n tout , the scann er’s sens or may be mal f u nctioni n g .
Tr oublesh ootin g 6-13 The colors on your pri ntout seem different from those of the origi n al image. Chec k that yo u have c orrect l y pe rformed the print er cali bration proc ess in EP SON Sc an! II us i ng th e corr ect prin ter profil e. Recalib rate and then try sc anning yo u r im age again.
6-14 Trou bleshooting Images c a nnot b e scann ed at all or only a f ew dots appea r in the sca nned image. Try different EPSON TW AIN settings. Be aware th a t s ome setti ngs disabl e o thers . Also, dep ending on your sca nner, s ome feat ures may not be av ailable.
Tr oublesh ootin g 6-15 The imag e appears upside down and t runcated in yo ur ap plicatio n software afte r s c ann i n g. Bef ore you scan the im age, reduc e its fi le siz e to le ss than 1MB (for li ne art) or less than 5MB ( for c olor) by adjust ing the se tting s on the TWAIN advanced screen.
6-16 Trou bleshooting You a re scannin g a transpar ency or s l i de using t he transpar ency u nit, and th e scanned i mage is all black . If th e reflec tive do cumen t mat is in pla ce, rem ove it; li ft up th e trans parenc y unit and sli d e t h e mat u p an d out of the slots on the tran s p arency unit .
Defa ult Settin g s A-1 Appendix A De fault S etting s This appendix lis ts the default s et t ing s for the Ima ge Type and Dest ination options in EPSON TWAI N.
A-2 D efault Set t ings Thermal Printer 360 dpi r e s ol uti on for l ine draw ings a n d h a lftone i m a g e s, 120 dpi re solut ion for phot os, an d c al ibratio n f or t her mal pri nt ers I nkj .
Defa ult Settin g s A-3 Styl us COLOR 500 800 dpi r e s ol uti on for l ine draw ings a n d h a lftone i m a g e s, 240 dpi re solut ion for phot os, an d c al ibratio n f or E PSON S ty lus C OLOR 50.
A-4 D efault Set t ings.
Expression 636 Scanner Settings B-1 Appendix B Expr ession 636 Scann er Settin g s This appendix contain s tec hnical in form ation a bout the v ar i ou s image processing f uncti ons built into th e Expression 636 scanner.
B-2 Expression 636 Scan ner Settings You m ay need to do som e t rial s by y o urse l f to find out your preferre d settings beca use the origin al images an d the output met hods you use can v ary g reatly. Res oluti on The output resolut ion determines how many pixels are us ed for scanni n g and r eproducin g an imag e.
Expression 636 Scanner Settings B-3 The scale f u n ction aff ec t s the number of dots s c an ned. An image scanne d at 180 dpi and 200% has th e same number of dots as an i mage scanned a t 360 dpi an d 100 %. To enlarge or r educe the image size, use t he sc anner’s scal e func tion th rough your so ftwar e at t he tim e of sca nning.
B-4 Expression 636 Scan ner Settings The s canner c an read up t o 12 bit s/pix el/ c olor. Ab ove 8 bit s/pixe l/co lor the s can ner co nverts the im age dat a to 8 bits /pix el/ col o r and send s it to th e co mpu ter. This giv es much high er qua l ity .
Expression 636 Scanner Settings B-5 Brig htnes s You ca n choose on e of seven br i g h tness levels for scanni ng. Med ium is the no rmal se tting. It is be tter to use dar ker se ttings f o r lin e art o r faint o riginal imag es, a nd to use l igh ter setti ngs f or darke r origin al im a ge s.
B-6 Expression 636 Scan ner Settings ❏ Color page sequ ence reading The scann er sca ns the d ocu ment th ree ti mes (on e eac h for green, r ed, an d b l u e) , and produces th r e e p age s of i m ag e d ata tha t com bine to giv e fu ll col o r imag e dat a.
Expression 636 Scanner Settings B-7 Photogr aph s h av e an a lmost infin ite number of tones, with an almos t inf inite number of color s for color photographs, bu t printin g uses only indiv idual sin gle-c olor dots.
B-8 Expression 636 Scan ner Settings ❏ Half t oning m ode A This is the stan dard halftonin g mode. The image is con verte d into a ha rd tone to pro duce a distinc t ima ge, an d is suit able for most p ur p os es. (1 an d 2 bits/pixe l/color) ❏ Half t oning m ode B With this mo de, th e imag e is con verted i nto a sof ter tone .
Expression 636 Scanner Settings B-9 ❏ Dither pattern A Halftone is express ed in 4 by 4 bayer dither pat tern. ❏ Dither pattern B Halfto ne is expressed in 4 by 4 spiral p at tern. ❏ Dither pattern C Halftone is express ed in 4 by 4 net screen dither patter n.
B-10 Expression 63 6 S canner Settin g s Gamma Correc tion Gam ma, or to ne, co rrecti on, ad justs the light i nte nsity rat io betw een the o rig i na l im age and the outpu t data . It brings out more detail i n ar eas of b oth highlig ht and s h ad ow.
Exp ression 636 Scanner S ettings B-11 ❏ CRT Display B This s et ting is s u it ed for an alog-in put CRT di splays which can dis play an image with multip le le vels of t ones of more than 1 bit/p i xel /color ( γ = 1.8). This is usually th e b est set ting .
B-12 Expression 63 6 S canner Settin g s This function processes th e image data so th at th e d ata w ill be mos t suited for the chara cteristi cs of th e colo r output d evic e used. ❏ CRT displa ys Thi s setting com pensa tes co lors fo r the cha rac teristi cs of color CRT display s .
Exp ression 636 Scanner S ettings B-13 ✔ Image Type or Mode For the best and most ef ficient sc ans, you need to know which type o f images you are scannin g: drawing s, black and white photogr aphs, or col or phot ographs. Th e correspondi ng terms used b y scanni ng soft ware are li n e a rt, graysca le, and color .
B-14 Expression 63 6 S canner Settin g s Printing or d isplay m ethods The be st resolu tion to use dep ends on what type of o utput or printing method you will be using.
Exp ression 636 Scanner S ettings B-15 ❏ Computer screens requir e lower resolu tions than most printer s . If your scanned im age will b e vi ewed only on a com pute r monit or or scre en an d will n ever b e p rinted , you can u se lo wer sc a nni ng res olution s for to p-qu ality wo rk.
B-16 Expression 63 6 S canner Settin g s The r esolution that you use t o scan an i m ag e (i nput res oluti on) does not ha ve to m atch the d ots p er inch o f your pri nter ( o utpu t res o l ution ) . In put and o utpu t resolu tion are tw o quite d iffere nt meas u rements.
Exp ression 636 Scanner S ettings B-17 Note: For color o r gra yscale images, ignore t he d pi (dots p er inch) of your printing device. Even thou g h yo ur service bureau m a y u se a n imagesetter w.
B-18 Expression 63 6 S canner Settin g s ✔ Color Correction Use t he default or CR T display. ✔ Gamma Correction Use t he default or CR T Display B. Note: Your softwa re may have differen t set t ings for B rightness, Color correction, and Gam ma correction.
Exp ression 636 Scanner S ettings B-19 Equipment Your present equipment may be sufficient for your scanning need s, bu t if you are not s atisf ied w i th th e qu a lity o f th e im ages on your monitor or with the speed of image processin g, read this section .
B-20 Expression 63 6 S canner Settin g s File comp r ession softwar e Many diff er ent pr og rams ar e avai lable to ma ke image fi les small er for stor age or t ransmission. For example, they c a n enab le you to s t ore a 3MB im age fil e on a floppy dis k .
Icon Glossary 1 Icon Glos sary This glossary descr i b es the TWAIN icon s . If you wan t to know what a specific icon does, l ocate the icon in this glossary; then read i t s description . Som e i cons open di alog boxes which co ntai n m ore ico ns.
2 Icon G lossary Lo ck and Unlock. Lo cks or unlo cks th e curre nt wid th, heigh t, or s cale se ttings for an imag e . The d ef ault se tting is unlock. Image Contr ols . Opens the Image Contro ls dialo g box , whic h conta ins th e op tions d escribe d unde r “Im age Cont rols Icon s ” on page 3 of this g l ossary.
Icon Glossary 3 Image Co ntrols I c o ns Expos ure Compa ri son . Allow s you to compa re thre e or f ive i mage samples of varying brig htness . Th e mid dle sa mple ref lects th e curr ent ex posure s etting . Gamma C omparis on. Allow s yo u to com pare th ree or five i mage samples with different gra dations between highl ights and sh adows.
4 Icon G lossary Color Adjustment Ico n s Gray Balanc e Comp arison . Allows you to compare three o r five var ying casts of gray in im age samples so you c an selec t the most neutral gray.
Term Glossary 1 Term Glo ssary Applic ation Pr o gram A soft ware prog ram de signed to pe rform a specific ta sk, such a s word processing, image ed iting, or spreads heet functio ns. Addi tive Primary Co lors Prim ary co l o rs th a t prod uce wh i te when mixe d in a c ertain proportion.
2 Term G lo ssary Br ig ht ness The amount of black or white mixed w ith a color. Byte A un i t of informat ion co nsistin g of eigh t bits. A b yte c a n represen t a c on trol code or char ac t er.
Term Glossary 3 Des t in ation A set o f res oluti o n a nd cal ibrati on setti ngs th at m atch the charac teri stic s of t he scan to t h e f inal output devi ce. EPSON TWAIN provides several p r edefined Desti n ation settin gs that allow you to adjus t your scanned image to sui t the output devic e you int end to us e.
4 Term G lo ssary EPSF Encapsulat ed PostScri pt File. An indust ry-standar d file f ormat support ed by mos t applicati ons. ESC/I Abbr eviation fo r EPSON Standard Co de for Image sc anners. A syst em of c om mands to con t r ol image scanners w i t h s of tware.
Term Glossary 5 Highlig ht An E PSO N TW AIN op tion th at le ts you a djus t the ligh test port ion s of an image. Th e range be tween hi ghlight an d shadow determines t he range and the color differentia t i on of the image. Home Positi on The positi on at the ba ck of the scan ner where its car riage r ests befor e a sca nning ope ration.
6 Term G lo ssary Line Se quence A typ e of col or scann ing th at se parates primar y colors line b y lin e . Th e ca rr iag e m ak es onl y o ne pa s s. Lossy A data compression s y s tem that int en t ionall y d iscards (or loses) some data from th e original im a g e.
Term Glossary 7 Pl a in Bi- leve l Bi-l e vel image d ata wi thout t he half toning proces s. Por t An int erfac e channe l through whic h data is tra nsm itted betw een dev ices . Res olution Indi c at ion of how fi nely an im ag e i s r es o lved into pix els.
8 Term G lo ssary Shar pness An EPSON TWAI N option t hat lets y o u ad j ust th e measure of enhanced det ail (f oc u s) in an image. Subt r active Pr imary Col ors Primary c ol ors that produ c e bl ack when mixed in a cer tain propo rtion. Th es e a re cyan, magenta, and y ell ow.
Term Glossary 9 Transparenc y Unit A scann er access ory which allow s the sc anner t o use material s su ch as tra nsp ar e ncie s and sl ide s. TWAIN A n op en in dus tr y in te rf ace all ow in g y ou t o ac qu ir e im ag e d at a direc tly fro m extern al so urces w ithou t leavi ng your c urre nt applic ation .
10 Term G lo ssary.
In dex 1 Index A Accelera t or bo ards, B-19 Acquire and Export opti o n, 5 -4 to 5 -6 Acq uire op tion, 3-2, 5 -1, 6-1 to 6 -3 Add New Har dware o pt ion, 1-2 Additive c o lor pro cess, 2-1 Advanced .
2 Index Col or adj us tme nt, 4-8 to 4-1 0, 6-8 butto ns, 4 -5 corr ection , 4- 8 to 4-1 0 corr ection, Ex pressio n 636 scanner, B-11 filter, se e Color Filter option mode, Expr ession 6 3 6 scanner,.
In dex 3 EPSO N Scan! II acquiring and exporting images , 5-4 t o 5- 6 copying images, 5-6 exiting, 5-7 expo rting imag es, 5-2 t o 5-4 fil e for mat , Intr o-2 , 5- 1 to 5-2 re sizing i mag es, 5- 6 .
4 Index Ima ge Co ntr ol icon, 4-3 sett ings, 4- 3 t o 4-5, A -3 Ima ge ed itin g s of twa re, 3- 2, 3 -20 , 4- 1 Ima ge Ty pe advanced screen o p ti ons, 3 -7 to 3 -10 defa ult settin gs, 6-6, A-1 ea.
In dex 5 Resolution colo r, 3-14 , 6-12, B-16 defi nin g, 3- 13 to 3-15 Exp ression 636 sca nner, B-2, B-13, B-15 gr aysc ale, 3 -14, B-16 limi ta t i ons, 6-4, 6-7 to 6-8 , 6-12 lin e art , 3- 14, B-.
6 Index V Variatio n between samples optio n , 4-2 VGA, Intro-4 Video car ds, B-19 Video disp lay, 3 -17, 6-8 to 6-9 , 6-12, 6- 15 W Widt h set ting, 3- 18, 6- 7 Wind ows 3.
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