Instruction/ maintenance manual of the product SE450 Epson
Go to page of 76
Technical Reference ® DYMO LabelWriter SE450 Label P rint er ®.
Cop y right © 2 0 10 S a nfor d, L. P. Al l rig ht s res erved . Rev ised 7/ 2 6/ 20 1 0. N o p ar t o f th i s d ocu ment o r th e softw ar e may be reprod uc ed o r t r an sm i tt ed in an y f o r m or by an y m e ans o r transla ted i nt o a no th er l an gu ag e w it ho u t t he p rior w rit ten co nsen t o f S a nfor d, L.
Cont ent s Int roduc t ion 1 Co nf i gu r ing the Host C ompu t e r for R S-23 2 Se ria l I n t er face 3 RS- 23 2 Sett in gs 3 RS- 23 2 Cab l in g 4 RS- 23 2 Sig nal Lev el s 4 P rogra mm i ng O ver .
CR Ca r r ia ge Re tu r n 1 9 D C4 Ca nce l D ou b le W i de Mo d e 19 ES C A Re tu r n Pr in t er S t at us 20 ES C a Re tu r n H ar d w ar e Stat u s 20 ES C B Set D ot Tab 20 ES C c Set Pr in t Tem.
P D F41 7 2D B ar co d e 39 G S l D r a w Li ne i n Lan d scape M od e 41 G S L Set Feed Len gt h 43 G S q Pr in t UPC/ EAN Ch eck sum 44 G S RS S e t Inv er se P r i n t Mo d e 44 G S S Ret urn Pr in.
vi Thi s p ag e in t ent i on al ly le f t bl an k for d ou b le-sid ed p r i n ti ng ..
Int rod uc t io n The Lab el W r i ter SE45 0 p r i nt er i s a c ompac t, t he r mal-tr an sf er l abe l p r i nt er. F eat u r i ng b ot h RS- 23 2 ser i al an d U S B co nn ect io n s an d i ncl u di ng b o th an A SCI I co mm an d set as w el l as r a s te r prin ti ng mod es, th i s p r i nt er can fit a wi d e va r i ety o f uses.
2 Thi s p ag e in t ent i on al ly le f t bl an k for d ou b le-sid ed p r i n ti ng ..
Config uri n g t he H ost Com p ut er for RS-23 2 S er ial I nt erf ace Thi s c hap t er d escr i bes ho w to c on f i g ure th e host co m p ut er t o comm u n ica te wi t h th e Labe lW r i t er S E4 50 p r i nt er o ve r an R S -23 2 ser ia l i nt erf ace.
Con fig urin g th e Host Co mpu t er fo r RS -23 2 Serial In terf ace R S-232 Cabli ng RS- 23 2 cab l e pi n ou ts ar e sho wn i n th e tab l e be lo w. F o r d eta il s o n RS- 2 32 sig n al na m es, co nsu lt th e RS- 2 32 S ta nd ar d d o cumen tat io n .
P rog ra m m ing Ov er v i ew Thi s chap te r in cl ud es th e in f o r mati on n eed ed t o co n trol t h e Label W r i te r S E4 50 p r i nt er co r rectl y u sin g ASCI I Es cap e c omm an d s ( ref err ed to as ES C c omm an d s th r o u gh ou t th is r e f erence gu i de).
P rog rammin g O v erv iew PRI NT #1 , “ HE L L O WO RLD ” I n a n ut shel l, th at ’ s al l th er e i s t o co nt r o ll i ng t he Labe lW r it er p r in t er .
P rog rammin g t he L abelW riter Prin t er To all o w f o r l on ge r d i stan ces to b e s p eci f i ed , t wo 8 -bit c haract er s ar e used to sp eci f y t he va lu e, b y co mbi ni ng t he m in to o ne 1 6 - b it ch aracter.
P rog rammin g O v erv iew 710 bas e 10 = 0000001011000110 n1 b i nary = 0 0 00 00 1 0 o r " 2 " d eci m al n2 b i nary = 1 1 00 01 1 0 o r " 1 9 8" d eci m a l F on t Specifica ti on s The t ab le b el ow l ists th e spec ificat io n s for t h e f i ve i nt ernal f o n ts th e Labe lW r i t er p r i nt er sup po r ts.
P rint M od es a to p-of - form h o le be f o r e th i s maxi m u m f e ed di stan ce is r each ed , i t wi ll st op at t h at po in t , r a th er t han c on ti n ui ng . Th is comm an d i s o nl y n eed ed w hen d eal in g w it h co nt in u ou s- feed pa per.
P rog rammin g O v erv iew Certai n c omm an d s are d i sabl ed o r w ork d iff erent ly w hi l e th e p r i nt er i s i n p o r t r ai t m o d e. Exac t det ai ls can be f o u nd w it h eac h comm an d ’ s descr i p ti on .
Bar co de O bject s co m mand . W h il e a te xt o bj ect i s acti v e, co mm an ds th at al ter tex t li n e at tribu t es ( such as f o n t and d o ub l e- h ei gh t ch ar ac ter comm a nd s) a r e ig no red. C omm an d s t h at alt er t ex t ch ar ac ter at trib ut es ( suc h as d o ub le w id e and i nv ers e ) may b e sent at an y t ime.
P rog rammin g O v erv iew pa r amete r speci f i es wh et he r a f i xe d amou n t o f da ta w i ll be sent o r wh et her d el imit er s w il l be u sed .
Com m a nd Refer enc e Thi s ch ap te r describ es t he co m mand s y o u ca n u se to p r o gram y ou r Label W r i te r S E4 50 prin te r . Belo w a r e some of th e th in g s y ou ca n d o w it h t.
Com mand R eferen ce NA ME DESC RIP TIO N ES C g Se t Pr int T e m per ature to H ig h ES C J n F ee d n Li n e s ES C L Se t Fe ed L e n g th ES C M Se t Fon t to 12 cpi ES C P Se t Fon t to 16 cpi E.
Com mand s by Fu nct ion NA ME DESC RIP TIO N G S L n 1 n2 Se t Fe ed L e n g th G S l n1 n 2 l1 l2 m Dr a w L ine in L and sca p e M od e G S q n m d1 … dk Print UPC/E A N Checksu m G S RS Se t Inv.
Com mand R eferen ce NA ME DESC RIP TIO N CR Car r ia g e Re tu r n ES C J n F ee d n Su blines ES C X n1 n 2 Se t H o r iz on ta l St ar ting Po sition ES C Y n1 Set V er tic al S tar ting Po sition .
Com mand s by Fu nct ion NA ME DESC RIP TIO N S O S et Fon t to D o u ble Wid e M od e Barcodes NA ME DESC RIP TIO N G S A n1 n 2 Bar c o de Sta r t Po sition G S W Thin Th ic k Se t Bar cod e E lemen.
Com mand R eferen ce R as ter C omp a ti bi li ty NA ME DESC RIP TIO N S Y N Raste r M o de Gr aph ic s ETB R aste r Mo de Co mpre ss e d Gr a p h ic s ES C * Reset to D ef a u lts ES C @ Re set Pr in.
Com mand s These ch aracters, wh il e n ot p ar t o f an e scape (comm a nd ) sequ en ce, w i ll be prin ted u sin g th e cu r r e nt ly sele cte d fon t. Th e stan d ar d , p r i nt ab le A SCI I ch aracters are a s soci at ed w i th th ei r n orm al v alu es, w hi ch r a ng e f rom deci m al v al ue 3 2 t o d eci mal v alu e 1 27 .
Com mand R eferen ce ESC A R e tu rn Pri n ter Statu s Descr ip t ion P rov id ed f o r Lab elW rit er prin ter raster co mpat ib il i ty . ES C A i s i d ent i cal t o th e G S S co m mand d escr i b ed i n t hi s gu id e. See th e d escr i pt io n of th e GS S c omm an d for in f o r mati on o n h o w t o retu r n t he prin ter st atu s.
Com mand s ESC c Set P ri n t Te mp e ratu re to Low U s ed to ad ju st t he p r i n ti ng strob e. Thi s co mm an d i s a lso sup po r t ed by t he Lab el W r i ter SE30 0 an d th e Lab elW rit er 40 0 and 45 0 ser i es p r i nt er s.
Com mand R eferen ce AS CII E SC d De ci m a l 27 1 00 He x 1 B 64 Par ame te rs N on e ESC E F or m F e ed Descr ip t ion P rin ts th e co nt en ts o f t h e tex t b u f fer a nd ad va nce s t he p r in t med ia.
Com mand s N on e ESC F 1 n F ee d n L in e s Descr ip t ion P rov id ed f o r Lab elW rit er r ast er co m p at ib il i ty . The c omm an d is u sed t o f ee d t he n ex t " n " li ne s o n t h e lab el . Thi s c omm an d r eq u ires tw o b yt es: t he fir st b y te i s alw ay s 1 , t he seco n d b yt e is th e feed l in e va lu e.
Com mand R eferen ce AS CII E SC J n De ci m a l 2 7 74 n He x 1 B 4A n Par ame te rs n = th e d esired n umbe r of su bl in es to f eed ESC L Set F e ed L e ng th Descr ip t ion P rov id ed f o r Lab elW rit er r ast er co m p at ib il i ty . S e e th e GS L co m man d for i nfor mat io n.
Com mand s Font Height W idt h H oriz o nt a l cp i Ve rt ic a l c pi E SC P 2 4 1 2 1 6.9 8 . 4 E SC M 32 1 6 1 2 . 7 6 . 4 E SC U 3 2 2 0 1 0.2 6 . 4 E SC T 5 6 2 8 7.3 3 . 6 ESC P Set F on t to 16 cpi Descr ip t ion Ch an ges to t he 16 cp i min i f o nt .
Com mand R eferen ce ESC Q Set Top Margi n Descr ip t ion P rov id ed f o r Lab elW rit er r ast er co m p at ib il i ty . ESC S Set F ont to 20 cpi Descr ip t ion Ch an ges to t he 20 cp i micro f on t .
Com mand s F o n ts m ay on l y b e ch an ged at t he b eg in n in g o f a l in e, p r i o r to an y p r in t abl e ch aracters . Thi s f on t w i ll r e m ai n in eff ect u nt il t he p r i n ter is r eset (by th e ESC@ o r ESC* co m mand ) o r an ot he r f o nt i s sele cted .
Com mand R eferen ce Exp re ssion AS CII E SC U De ci m a l 2 7 85 He x 1 B 55 Par ame te rs N on e F o nt Height W idt h Ho r izontal cp i Ve rt ic a l c pi E SC S 1 6 1 0 2 0.3 1 2.7 E SC P 2 4 1 2 1 6.9 8 . 4 E SC M 32 16 1 2.7 6.4 E SC U 3 2 2 0 1 0.
Com mand s n2 a r e recei ved suc cessf ul l y b y t h e h o st, yo u can b e reason ab ly assur e d t ha t t he r e i s a Labe lW r i t er prin te r att ach ed co nn ect ed and y ou r p r o gram can co m mun i cat e wi t h t he prin te r .
Com mand R eferen ce Thi s c omm an d i s u sed in l an dscap e print i ng t o set a ne w off set f rom t h e to p m ar g in f rom w hi ch t o b eg in p r i nt in g tex t an d b ar c od e o bj ect s. Di stan ce i s spe cified in m il l imeters . The Labe lW r i t er S E4 50 p r i nt h ead is 5 6 mil li m e ters w id e.
Com mand s S e e Also ES C * Exp re ssion AS CII E SC @ De ci m a l 2 7 64 He x 1 B 40 Par ame te rs N on e ETB R a ste r Mod e Compres s ed G r a p h i c s Descr ip t ion P rov id ed f o r Lab elW rit er prin ter raster co mpat ib il i ty .
Com mand R eferen ce 16 w h it e pi x els 16 p rint ed p ix el s Tot al 19 2 pi xe ls = 2 4 b y tes x 8 U s in g th e ETB comm a nd , al o ng w it h t he ESC D an d ES C B co m mand s, can d r ast ica ll y r e du ce t he n umbe r o f d at a by te s requ ired t o for m a p r i n t i m ag e.
Com mand s N on e GS A Star ti ng P ositi on of Ba r Code Descr ip t ion D ef i ne s t he d i stan ce f rom th e left w here th e f i r st b arcod e wi l l p r i nt . Th e di stan ce i s r e pres en ted i n n / 20 3 in ch (do t) i n cr emen ts. Thi s comm a nd i s u sed t o cent er a b ar co d e on a t ex t l in e.
Com mand R eferen ce G S DC3 Exp re ssion AS CII G S DC2 De ci m a l 2 9 18 He x 1 D 12 Par ame te rs N on e GS DC3 Ca n c el Doub le Heig ht Descr ip t ion Can cel s th e do ub l e- h ei gh t ch aracte r s and r et urns th e f o nt t o n orm al siz e.
Com mand s GS h Set Barcode Heig h t Descr ip t ion D ef i ne s t he h ei gh t o f t he b ars ( in d ot s) f o r b ar c od es. The h ei gh t i s defin ed i n n / 2 03 i nc h in crem en t s. F o r exa m p le , speci f y 20 3 as t he va lu e f o r n t o p r i nt a 1 - i nc h h ig h b arcod e.
Com mand R eferen ce Ch a r a c t er V alue Ba r code Symbo l o gy n = 2 E A N/ UPC Auto m = 6 U P C - E m = 7 EAN -8 m = 8 inva li d m = 9 U P C-E + 2 m = 10 U PC A ut o (U PC- E /UP C-A ) m = 11 U P.
Com mand s F o r D ata Mat r i x enc od in g , th e Lab el Writ er S E4 50 p r i nt er sup p orts on l y b asic A SCI I ch ar a cters 0x 00 -0x 7F. D ata M atrix ba r co d es a r e o nl y su pp orted for 2 03 x 20 3 dp i mod es. Th ey are no t sup p orted f o r 2 03 x 1 3 6 dp i m o d es.
Com mand R eferen ce Rows C olumns Nu mber of Encoda ble A SCII byte s Encoda ble n umer ic b y t e s wit h "N umbe rs- o nl y " c o m pre ss ion 1 0 10 3 6 1 4 14 8 1 6 1 8 18 1 8 3 6 2 2 2.
Com mand s GS 0x6B 0x0F 0xC0 0x00 0x00 0x00 0x05 0x3132333435 P rin ts t h e foll o wi n g i m a ge: H er e, 5 ch ar act er s are also sen t: A BCD E. H ow ev er , s in ce t he y are no t al l n umbe r s, co m p r e ss i on i s n o t used . Rec tan g les ar e no t ex cl ud ed , so an 8 x1 8 symbo l sho ul d be au to - selec ted .
Com mand R eferen ce l N umer i c C ompact i on mod e: 2 5 28 ch ar a cters ( at 2 . 9 3 dat a ch aracters per co de wo r d ) . n S y mbo l size: l N umber o f r o w s: 3 to 9 0. l N umber o f Co lu mns: 1 to 3 0 l Max i m u m co dew o r d s cap aci t y: 9 28 co de wo r d s.
Com mand s e = u ser defin ed e r ror co r recti o n l ev el (0 t o 8 ) , if i t i s 0 w h ich means t he err o r co r r ect io n le vel w il l b e set ac cordi ng t o PDF41 7 spec ificat io n .
Com mand R eferen ce Par ame te rs n 1 mo st s i g nif ica n t b yte o f the o f f set fr om the lef t (in do ts) n 2 le ast s ign if ica nt by te of the o f f set f rom the lef t (i n d ots ) L1 mo s.
Com mand s GS L Set F e ed Leng th Descr ip t ion S e ts th e di stan ce t he p r in t m e di a w il l ad va nce u p on r ecei p t o f a f o r m f eed ( FF or ESC E ) co m mand . Th e di stan ce i s d efin ed a s n / 20 3 i n che s. The n umber o f d ot s = n 1 * 2 56 + n2 .
Com mand R eferen ce GS q P r i nt UP C / EAN Chec ks u m Descr ip t ion P rin ts t he c hec ksum d i gi t for t he sp eci f i ed b arcod e. The che cksu m di g it is p r i nt ed in t he cu r rent f o n t, at t he cu r rent t ext p osi ti on . C urr en tl y t h e on ly sup p orted symbo lo g ies ar e th e U P C /EA N b ar c od es.
Com mand s GS S R e tu rn Pri nt e r Statu s Descr ip t ion Ret urns a si ng le stat us b y te. The prin ter stat u s is d et er min ed by t esti ng th e i nd i vi du al bi t s wi th i n t he r et u r n ed stat us b y te. O nl y bi ts t h at h av e d efine d v al ues sh ou l d b e t ested .
Com mand R eferen ce GS T Select Li ne Wrap/ Tru ncate Mod e s Descr ip t ion D eterm i n es h o w to h an dl e a tex t w r ap co n di ti o n. A tex t w r ap c on d it io n o ccu r s wh en te xt ex ten d s b ey on d t h e en d o f a l in e o r a pa ge.
Com mand s GS US C ance l I nv e r s e P r in t Mode Descr ip t ion Can cel s t he in v er se p r i nt mod e ( w h it e o n b la ck) a nd r e tu r n s t ex t b ack t o i ts n orm al at trib ut es f o r t h e r emain d er o f th e cu r rent l in e.
Com mand R eferen ce GS V Set P r in t Or ien tati on Descr ip t ion Cau ses t h e Label W r i ter print er to p r i n t t he d at a s to r ed in t he p r i n t b uff er a nd th en ch ang e t o t he sel ect ed o r i en ta ti on .
Com mand s AS CII G SW T h in Thick De ci m a l 2 9 87 Th in Thick He x 1 D 57 Th in Thick Par ame te rs Thin th ic k ness o f thin b a rs Thick thickn e ss o f thick bar s GS w Se t Barcode Modu l e Wid th Descr ip t ion S e lec ts th e ho r iz on ta l size o f a b ar c od e m o du le .
Com mand R eferen ce GS * Lan ds ca pe Mode Graph ics Descr ip t ion P rin ts a graph ic image ( i n l an dscap e mod e o n ly ) . Exp re ssion AS CII G S * n1 n 2 t h w d1 …d m De ci m a l 2 9 42 n.
Com mand s HT Hor i z on ta l Tab Descr ip t ion Mo ve s cu r so r po sit io n t o ne xt m u lt ip le of e ig ht sin g le-wi dt h cha r act ers . No t e th at do u bl e-wi dt h ch ar ac ters co u nt as tw o sing l e- w i dt h ch ar ac ters .
Com mand R eferen ce Cau ses a ll th e t ext t hat foll o ws th e co m m an d o n t he same li ne t o b e p r i nt ed a s d o ub le - w id e ch ar ac ters . Do u bl e- w id e ch ar ac ters are canc ele d b y a l in e f e ed ( CR or LF ) o r th e DC4 co m mand .
The Car et Feat ure r e qu ired b ecau se t hi s amou n t ex ceed s th e l on ge st p ossib le st r i ng o f bi tmap dat a b yt es th at t he Lab el Writ er p r i nt er ex pe cts.
Com mand R eferen ce W hen u sin g th e car e t f eat u r e, th r e e- d ig i t cha r act ers must alw ay s fol lo w t he caret ( ^) . Al so, w hi le t h e car e t f e atu r e is en ab led , t he p r in t er w il l n o t w ork co r rectl y w i th th e Lab elW rite r W in do w s o r Mac r ast er prin t d r i v er s.
The Car et Feat ure Chara c t er Cod es Bel ow i s a l i st sho wi n g t he ASCI I c od es fr o m 1 t o 25 5 . The l i s t sh ow s t h e A S CII charact er s an d names, an d th e corr espo n di n g dec imal, hex ad eci m a l, a nd b in ary val ue s .
Ch ar act er Cod es C har Na me De c ima l He x B inary ^[ ESC 2 7 1 B 0 00 1 10 11 ^ FS 2 8 1C 00 01 1 10 0 ^] GS 2 9 1D 0 00 1 11 0 1 ^^ R S 30 1 E 0 00 1 10 00 ^ US 31 1 F 00 01 1 11 1 Space s p a c e 32 2 0 00 10 0 00 0 ! e xclam at i o n p t.
The Car et Feat ure C har Na me De c ima l He x B inary ; s e mic o lon 5 9 3B 0 01 1 10 11 < less than si gn 6 0 3C 0 01 1 11 00 = e q ual sig n 6 1 3 D 0 01 1 11 01 > g rea ter tha n s ig n 6 .
Ch ar act er Cod es C har Na me De c ima l He x B inary [ o p en br a c ke t 91 5B 01 01 1 01 1 b a c k s la s h 9 2 5C 0 10 1 11 00 ] c lo s e b r a c ke t 9 3 5 D 0 10 1 11 01 ^ c a r et 9 4 5E 01 .
The Car et Feat ure C har Na me De c ima l He x B inary { o p en br a c e 1 23 7 B 01 11 1 01 1 | ve r tical line 12 4 7C 01 11 1 10 0 } c lo s e b r a c e 12 5 7D 0 11 1 11 01 ~ tilde 12 6 7 E 01 11 .
Ch ar act er Cod es C har Na me De c ima l He x B inary › 15 5 9B 1 00 1 10 1 1 œ 1 56 9 C 10 01 1 10 0 1 57 9 D 10 01 1 10 1 ž 1 58 9 E 10 0 1 11 10 Ÿ 1 59 9F 10 01 1 11 1 1 60 A0 10 10 0 00 0 .
The Car et Feat ure C har Na me De c ima l He x B inary » 1 87 BB 1 01 1 1 01 1 ¼ 1 88 BC 1 0 11 1 10 0 ½ 1 89 BD 1 01 1 11 01 ¾ 1 90 BE 1 01 1 11 10 ¿ 1 91 B F 10 11 1 11 1 À 1 92 C 0 11 00 0 0.
Ch ar act er Cod es C har Na me De c ima l He x B inary Û 2 19 D B 1 10 1 10 11 Ü 2 20 D C 1 10 1 11 00 Ý 2 21 DD 1 10 1 11 01 Þ 2 22 D E 1 10 1 11 10 ß 2 23 D F 1 10 1 11 11 à 2 24 E0 11 10 0 0.
The Car et Feat ure C har Na me De c ima l He x B inary û 2 51 FB 11 11 1 01 1 ü 2 52 FC 11 11 1 10 0 ý 2 53 FD 1 11 1 11 01 þ 2 54 FE 11 11 1 11 0 ÿ 2 55 FF 11 11 1 11 1 6 3.
6 4 Thi s p ag e in t ent i on al ly le f t bl an k for d ou b le-sid ed p r i n ti ng ..
Config ura t ion M enu The Lab el W r i ter SE45 0 p r i nt er h as a P rin te r Con f i g urati on Me nu b ui lt i nt o t h e f i r mwa r e. Throu gh t hi s menu , f l ash mem o ry sett in g s such as b aud rate an d f ee d d ist anc e c an b e ch ang ed .
Con fig urat ion M en u B4 Set 14 , 4 0 0 Bau d B5 Set 19 , 2 0 0 Bau d B6 Set 28 , 8 0 0 Bau d B7 Set 38 , 4 0 0 Bau d B8 Set 57 , 6 0 0 Bau d B9 Set 11 5,20 0 Ba ud F ? D i spl ay D ef au lt F eed L.
P ri n ter S p ec i fi c ations Thi s sect io n co vers h ar d w ar e speci f i cat io n s for t he Lab el Writ er S E4 50 p r i n ter. n H ar d w ar e sp ecifica ti on s n I n t er face speci f i cat.
P rint er S pecif icat ion s Aver a g e L if e 2 m illion lin ea l inch es ( o ver 31 m i les) Pr int head is r eplac ea ble Pr intin g Meth od Di re ct ther mal Speed 4 0 la b e ls per min ute ( 11 5,20 0 Baud , Se r ial) 4 8 la b e ls per min ute ( throu gh DY M O L a b el V .
USB S et t ing s US B Sett i ngs The Lab el W r i ter SE45 0 p r i nt er co mm u ni cat es w i th t he h o s t c ompu te r usin g a f u l l-s p eed U S B 2 . 0 i nt erf ace. T h is in terf ac e also o p er at es wi th U S B V ers i o n 1 . 1 o r la ter.
7 0 Thi s p ag e in t ent i on al ly le f t bl an k for d ou b le-sid ed p r i n ti ng ..
An important point after buying a device Epson SE450 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Epson SE450 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Epson SE450 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Epson SE450 you will learn all the available features of the product, as well as information on its operation. The information that you get Epson SE450 will certainly help you make a decision on the purchase.
If you already are a holder of Epson SE450, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Epson SE450.
However, one of the most important roles played by the user manual is to help in solving problems with Epson SE450. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Epson SE450 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center