Lexmark 24XX-100 manual

24XX-100 Lexmark Form s Printer 2400 Serie s Le xmark and Le xmark with diamond design are trad emarks of Le xmark International, Inc., regis tered in t he Unite d States and/o r other coun tries. • T able of Cont ents •I n d e x • Safety an d Not ic es • T rademarks • Star t Diagnos tics[...]

Edition: November 2000 The fo llowi ng paragr a ph doe s not apply to an y country whe r e suc h pro visions a r e inco ns ist e n t wit h lo cal law : LEXMARK INTERNA TIONAL, IN C . PR O VIDES TH IS PUBLIC A TION “AS IS” WITH O U T WARRANTY O F AN Y KIN D, EITHER EXPRE SS OR IMPLIED , INCLUDING, BUT NO T LIMITED TO , THE IMP LIED W ARRANTIES O[...]

iii 24xx Tab le of Cont ents Safety In formation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Prefac e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii General Informa tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Prin ter Spec[...]

iv Ser v ice Manual 24xx Diagnostic Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 -1 Power-On Self Test (POST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Print Tes t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Hex Trac e Mode . . . . [...]

v 24xx Gears R emoval s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -31 Left Side Gears Rem oval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 1 Right Si de Gear s, Sub F rame Remo val . . . . . . . . . . . . . . . . . . . 4-34 Rollers Remov als . . . . . . . . . . . . . . . . . . . . . . . . . [...]

vi Ser v ice Manual 24xx Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 -1 Lubricati on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 -1 Lubricati on Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Lubricati on Points (Oil [...]

vii 24xx Safety Inf orma tion • This product is de signed, t ested a nd appr ov ed to m eet str ict global safety standa rds w ith the use of sp ecifi c Lexmark compon ents. The safety f eatures of so me par ts may not always be obvious. Lexmark is no t respon sible f or th e use of o ther repla cement par ts. • The ma intena nce informati on f[...]

viii Ser vice Ma nual 24xx Norme di sicurezza • Il prod otto è stato progettato, testato e ap prov a to in conform ità a sev e ri s tandard d i si curezz a e per l ’utiliz zo con comp onenti Lexmar k spec ifici. Le c aratter isti che d i sicu rezz a di alc une p ar ti non sem pre sono di im mediat a compr ensione. Lexmark non è respo nsabile[...]

ix 24xx Paut as de Segur idad • Este pro ducto se ha diseña do , verific ado y aprob ado para cumpli r lo s más es tri ctos e stándar es de seg urid ad glo bal usando los c omponente s esp ecíficos d e Lexmark. P uede q ue las carac terísticas de segu rida d de al gunas pie zas no s ean siempr e e vi dentes. Lexmark no se hac e respon sable [...]

x Ser vi ce Manual 24xx Informac ió d e Segu ret a t • Aquest produ cte està d issenyat, comprovat i aprovat per tal d'ac ompli r les estric tes no r mes de segur e tat globa ls am b l a util ilitzac ió de co mponen ts esp ecífics de Lexmar k. Les característi ques d e segur etat d'algun es peces po t ser que no sempr e siguin òbv[...]

xi 24xx[...]

xii Ser v ic e Manual 24xx Preface This manual is div ided into the following chapt ers: • “Gene ral Informa tion” co ntains a g eneral descr iption of the pr inter an d the maintenan ce ap proach used to repair it. Spe cial tools a nd test equip ment ar e listed in this chapte r , as well as general e nvironmental and safety instr u ction s.[...]

Gene ral I nf ormati on 1-1 24xx 1. General Information Printer Descr ipti on The Lexmar k TM Forms Pr inter 248 X-100 an d 249X -100 are small v ersat ile t ab l etop p rinters su itab le f or us e in th e h ome or small business. They are e special ly well -suited f or app licat ions that use continuous or multipar t f orm s. The 2481 and 2491 ar[...]

1-2 Ser vice Ma nual 24xx Setup Mode Entering Setup Mode 1. Open th e operato r panel c ov er to access layer two . 2. Press Setu p to put th e pr inter in setup mode a nd pr int the Mai n Men u. 3. Press LineFeed to pr int a list of al l the av ailable option s. 4. Selec t any option from the Mai n Menu by pressi ng the corres pondin g button. A n[...]

Gene ral I nf ormati on 1-3 24xx Setup Menu Options Interface Me nu Options Menus Fun ction F orms Macro opti ons Customiz e macros to print a v ariety of f or ms. Data op tions Defines how i nfo r mation i s proces sed. Control optio ns Defines ho w the printer perf orms bas ic task s . Emula tion optio ns Determines h ow the p rinter intera cts w[...]

1-4 Ser vice Ma nual 24xx Printer Set tings Setting The T ear O ff P osition When Auto T ear Off is on, o r se t to One S econd, it moves the top perforation of a continuous form to the tear off p osition, when al l of the f oll owi ng are true : • The pr inter h as fin ished pr inting. • The pa per has a dvanced to the T op-Of- Form on the nex[...]

Gene ral I nf ormati on 1-5 24xx Setting T op-Of-Form (Cont inuous - Pull Mode) 1. T urn the print er on. The P aper O ut li ght b links if no p aper is loaded. 2. M ov e the pap er sele ct lev er down to th e cont inuous forms position. 3. Load conti nuous form p aper on th e pull tractor feed pins. 4. Ope n the op erator pan el cover to acce ss l[...]

1-6 Ser vice Ma nual 24xx Options The 24x x pr inters suppo r t the following options: • A uto S heet Feeder (ASF ) • Inte rnal serial inte rf ace (RS 232) • OKI emul ation (9 w ire only) • T ractor 2 Sh eet Feeder T ools The bas ic tool s nec essar y to ser v ice the 24xx-10 0 pr inter s are: • Basic C E tool ki t • #1 P hillips screwd[...]

Diagno stic Inform atio n 2-1 24xx 2. Diagnostic Information Start Make a quick visu al che ck f or defects (loose or broken par t s, unplugge d conn ectors, paper jams, and so on). V oltage, Gr ound, And Continuity Readings V olt age Readin gs All DC voltages must be within + 5% through -10% of the v alu es to be co nsider ed correc t. Unles s sta[...]

2-2 Ser vice Ma nual 24xx Error Indica tion T a ble The following table descr ibes the ser vice check entr ies for the pr inter error in dicat ion co des. When an e rror indi cation c hange s after you have entered a s er vice check, you hav e an int er mittent pr oblem. If this o ccurs, leave the ser vic e che ck and go to “Symptom Check T able?[...]

Diagno stic Inform atio n 2-3 24xx Po w e r Ready Pa p e r O u t P anel Loc k Fo n t L oc k ON Blinkin g Blinkin g Blinkin g Blinkin g Beeps 10 times Home P osition Error Go to “Ca rrier Service Chec k” on page 2-16 . T rac tor 2 Home P osi tion Error If T ractor 2 is installed, re mov e it to determine whe ther the prob lem is with the carrier[...]

2-4 Ser vice Ma nual 24xx All LEDs O FF None P ow er F ailure Check the c onti nuit y of t he power cord and th e vo lta ge of the user’ s outlet. If they are correct, g o to “P ower Service Chec k” on page 2-27 . Pow e r Tr a c t o r 2 P aper Out P anel Lock Fon t L o ck ON OFF OFF OFF OFF None Operator P anel F ailure Go to “Operator P an[...]

Diagno stic Inform atio n 2-5 24xx Sympto m Chec k T able 1. Sele ct th e sympto m that best describes the pr ob lem. 2. P erform th e appr opri ate actio n before you go to the in dica ted service chec k. Abnormal Indications Abnormal Noise Prob lems Symptom Action 7 or mo re lights tur n on b ut do no t turn off. The Pow e r light is on, but P OS[...]

2-6 Ser vice Ma nual 24xx Abnormal Print O peration Pr oblems A uto Sh eet Feeder Problems Symptom Actio n Printer will not p rint, or be com e re ady . Abnormal operati on, incorrect char acters , or in corr ect li ne widt h. Printer is ready but will not pr int from th e computer cor r ec tly . Undefine d or incorrect character(s ). Be sure the i[...]

Diagno stic Inform atio n 2-7 24xx Erro r Indications Operator P anel Prob lems P aper Feed Prob lems Symptom Action Ready an d Pa p e r Out li ghts blink. T ur n the printer off and then on. Go to “ Abnormal Indi cations” on page 2-5 . Pa p e r O u t and Font lights blin k. T urn the printer off and then on. Go to “ Irreco verabl e Operator [...]

2-8 Ser vice Ma nual 24xx Load/Unload does not f unction when the push trac tor is inst all ed. F orm fee d length is not correct. Load/Unload functions with cut sheets in use. Be sure the paper sel ect le v er is in the c orrect position . Go to “P aper Select Se nsor Service Chec k” on page 2- 25 . Contin uo us f orm s fee d, bu t cut sheets [...]

Diagno stic Inform atio n 2-9 24xx Po w e r P ro b l e m s Lower feed rol l s haf t rotat es, b ut paper does no t feed. Pressing FormFeed does n ot f eed paper . Abnor mal no ise created while fe e d i ng . Pa p e r j a m s , s k e w s or cr eases. Incorrec t or no li ne spaci ng: wider , narro wer , or overlapp ing li nes. Push/Pul l T ra ctor do[...]

2-10 Se r vice M anu al 24xx Print Quality Prob lems Symptom Actio n No print, bu t carrier mov es as if printi ng. Adj ust the f or m thic kness le ver to a low er num ber . Be sure the printhead ca bles are not loos e or damaged . Be sure the interf ace cable is conne cted prop erly . Chec k the ribbon cartr idge f or binds or d amage. Go to “P[...]

Diagno stic Informa tion 2-11 24xx Ribbon Feed Pr oblems Symptom Action Ribbon co mes o ff, become s lo os e or f olded, or jams . Ribbon feeds correct ly b ut is noisy . Chec k the ribbon cartr idge f or binds or d amage. Go to “ Carrier Service Chec k” on page 2-16 .[...]

2-12 Se r vice M anu al 24xx Irreco verable Oper ator Err ors Pa p e r O u t and Fo nt lights blink. If this indicat ion oc curs, the problem may be with the pa per p resent sens or or the paper select sensor . Chec k the f ollowing in the or der listed and if the print er does not work corr ectly , go to the i ndicated ser vice check. P aper Prese[...]

Diagno stic Informa tion 2-13 24xx Service Chec ks Abnormal Noise Se rvice Check Check the enti re pr inter for loose p ar ts. FR U Action 1 Rib bon Cartr idge Remo ve and reinstal l the ribbon cartr idge . 2 Printhead Discon nect the print head cab le(s). Run the p rint test (do n ot f old or damag e the cabl es during the test). Go to “Print T [...]

2-14 Se r vice M anu al 24xx A uto Sheet Fe eder (ASF ) S erv ic e Check Note: Be sur e the sheet feeder is enabled in the Setu p Mode. Go to “Setup Mode” on pa ge 1-2 . A uto S heet Fee der Princi ples of Op eration The Auto Sheet Feeder (ASF) feeds into th e cut she et pape r entr y throat. T o use the ASF: • The pa per sele ct lever must b[...]

Diagno stic Informa tion 2-15 24xx FR U Action 1 P aper Select Sensor With the paper se lect le ver in th e cut sheet position, do the f ollow ing: • T ry to load a c ut sheet with Load/Unlo ad . (This bu tton should not wo rk) • If paper lo ads, g o to “P aper Select S ensor Service Chec k” on pa ge 2-25 . 2 P aper Fee d If the pape r does[...]

2-16 Se r vice M anu al 24xx Carrier Servic e Chec k Note: The C arrier Ser vic e Chec k incl udes t he carrie r driv e, home positio n sensor an d r ibbon feed. FRU Ac tio n 1 Carrier V erify the carrier moto r connector is conn ected to the logi c board a t CN2. If the carrier m otor connecto r is conn ected prop erly , chec k the carrier belt an[...]

Diagno stic Informa tion 2-17 24xx 3 Carrier Mot or If the home positio n sensor i s oka y , verify t he the resista nce of the carrier motor wind ings are appro ximately 2 ohms f or all printers . Chec k the resis tance at the f ollo wing pin locations : CN2 - 1 and CN2 - 3 CN2 - 2 and CN2 -4 4 Logic Bo ard If all parts appear ok a y but the home [...]

2-18 Se r vice M anu al 24xx Intermittent Problem Service Check FRU/S ymp tom A ct ion 1 The print er somet imes fails bef ore POST is comple te. Chec k fo r the f ollowing: 1. Loose conn ectors. Re connect a ll connect ors to the logic board. 2. Elec tr ical noi se or st at ic di sc har ge. Chec k the f ollow ing: • P owe r supp ly grou nd. • [...]

Diagno stic Informa tion 2-19 24xx 2 Printer pow e r someti mes turns off. The cause of this p rob lem ma y be that the pow er circui t is f ailing, o r the wiring i s intermittently o pen. Chec k the f ollowing in sequen ce: 1. Check th e user’ s outl et vol tage and b e sure it is within tol erance . 2. Check th e contin uity of the pow er cord[...]

2-20 Se r vice M anu al 24xx 4I f t h e p r i o r sugges tions ha ve not co rrec ted the problem . The f ollowing ma y cause u ndefined o r intermittent f ailures: 1.Loose c onnector pins that f ail to cont act. Check t he followin g: • Recon nect the con nectors of all FR Us and printer interf ace cab les. • Che ck the contin uity of the line [...]

Diagno stic Informa tion 2-21 24xx No Print or Abnormal Print Service Chec k Operator P anel Service Chec k If the o perator pa nel is locked, only the Star t/Stop , FormFeed , T ear Off and Load /UnLo ad buttons ar e active. 24xx prin ters have a P a dlock LED to indica te that t he operator panel is locked. T o lock or unlock the op erator panel,[...]

2-22 Se r vice M anu al 24xx P aper Present Sensor Service Chec k FRU Ac tio n 1 P aper Present Sensor With no paper in the printer , the tr actor in the push pos it ion , a nd the p ape r s el ect le v er set to contin uous f or ms , press Load / Unload ; the gear tr ain should tur n f orw ard to loa d paper . Activ ate the p aper present sen sor [...]

Diagno stic Informa tion 2-23 24xx P aper Feed Service Chec k Note: If paper crea ses or ja ms freque ntly , verif y the pap er is nei ther too thick nor thin . If necessar y , ref er the user to the Us er’ s Gu ide for specif ications of acce ptable paper s. If the p aper does n ot stop in the correct l ocation, see “ P aper Present Senso r Se[...]

2-24 Se r vice M anu al 24xx 4 Oper ator P anel If paper do es not mo ve at a ll, ve rify the Load/Unload button is wo rking as f ollows: With the tr actor in the push posi tio n, po wer off , pow er on and then pres s Load/ Unload . The carrier should m ov e to the center of the plate n. If it does not, go to “Operator Pa nel Service Check ” o[...]

Diagno stic Informa tion 2-25 24xx P aper Sel ect Sensor Service Chec k If form feed leng th is of f by about 1 i nch (25 mm), en ter Setu p Mode and verif y that the for m le ngth setti ng is co rrect. Go to “Setup Mode” on page 1-2 . FR U Action 1 P aper Select Sensor Remo ve all pa per from th e printer and d o the followin g: • Place the [...]

2-26 Se r vice M anu al 24xx POST Se r vice Ch e ck 2 Pull T ractor Sensor A f ail ed pu ll tra cto r sens or can caus e Load/Unload to malfu nction. With the tr actor in the push position: • Pre ss Load/Unload se veral time s while alternately hol ding do wn and rel easing th e left pull tractor actuator . The pa per shoul d not park or lo ad wh[...]

Diagno stic Informa tion 2-27 24xx P ower Se rvice Check FR U Action 1 P ower Supply If the c arrier does not mov e to the left afte r turning the printer off and then o n, be sure the line cor d v oltage t o the po wer supply is corre ct and the po wer supply outputs a re +40 V dc at CN 12 -1 , +4 0 V dc at CN1 2-2 an d +5 V dc at CN1 2-6. If the [...]

2-28 Se r vice M anu al 24xx Print Spee d Service Chec k The spe ed of th e 24xx p rinte rs varies with the font, f o rm s thi ckness setting an d pri nthead te mperature. Graphics output may prin t slowly due to data throu ghput lim itations. Ther mal sensing i s built into th e pri nthead on 2 49x pr inte rs and p rotects the pr inthead fr om ov [...]

Diagno stic Informa tion 2-29 24xx Printhead S ervice Chec k FR U Action 1 Printhead Cable s Pr inth ead If the printout co ntains mis sing or e xtra dots or lines , do the f ollowin g: • Chec k the continu ity and c onnection of the printhead ca b les and the s hort fle x ib le cab le . • Be sure the vo ltages to the logic bo ard are correct. [...]

2-30 Se r vice M anu al 24xx Printhead Impedance T ables 2480, 2490 - Appr o ximatel y 5 ohms 2481, 24 91 - Appro xima tely 8 to 16 ohms Dot Connec tor 1 CN400-1 3 & CN400-4 2 CN400-9 & CN400-6 3 CN400-1 5 & CN400- 18 4 CN400-1 & CN400-7 5 CN400-1 7 & CN400- 20 6 CN400-5 & CN400-2 7 CN400-1 9 & CN400- 16 8 CN400-8 & [...]

Diagno stic Informa tion 2-31 24xx Pull T ract or Sensor Service Chec k The pul l tractor sensor detects the tractor in the pull pos ition and disables lo ad/unload and aut o tear-o ff . A failed sens or may prev ent load/unl oad from functi oning, with the tractor i n the pu sh posi tion. FR U Action 1 Pull T ractor Sensor With the trac tor in the[...]

2-32 Se r vice M anu al 24xx T op-Of-Forms Serv ice Check FRU Ac tio n 1 T op-Of-F or m Sensor Chec k that the t op-of-f orm sensor and its flag are properly in stalled and are not damaged. 2 Logic B oard Remov e the pa per and se t the pape r select le ver to the cut sheet positi on and tu r n the printer on. Measur e the v oltage betw een logic b[...]

Diagno stic Informa tion 2-33 24xx T ractor 2 Service Chec k The T ractor 2 i n-place s ensor op ens dur ing i nstall ation, whe n its actuator touches the pr inter cover . The hom e sensor detects the posi tion of the sl ider : • When T ractor 2 is sele cted, t he moto r-dr iven T ractor 2 slid er pushes the pr inter s ub slid er cam l ev er to [...]

2-34 Se r vice M anu al 24xx 2 Logic Board Remove T rac tor 2 from the printer b ut le av e the cabl e connec ted. Be su re the slider ( the bl ack plastic piece jus t abo ve t he right co ve r) mov es after turning the p rinter off and th en on. If the sli der does not m ov e after turning th e printer off and then on: • Be sur e the slider and [...]

Diagno stic Informa tion 2-35 24xx 3 Beeps a nd T ractor 2 LED bl inks 3 times T rac tor 2 sel ected from op erator panel b ut printer does not detec t T ra ctor 2 or detect s that the T rac tor 2 mechani sm is n ot installed . FR U Action 1T r a c t o r 2 Board/Ca ble Asm. Check the T ractor 2 i n-place sens or or the cabl e connec tion. The in-pl[...]

2-36 Se r vice M anu al 24xx T ractor 2 Pape r Feed Proble ms FRU Ac tio n 1 T ractor 2 Be sure the gear on th e printer that driv es T rac tor 2 turns freely when the le ver is not pressed, but re mains st ill when th e lev er is pressed. Remov e the T rac tor 2 unit from the printer an d remove all pa per. With the pa per se lect lev er in the co[...]

Diagnost ic Aids 3-1 24xx 3. Diagnostic Aids The pr inter contain s self te sts to help find and s olve problems. Y o u do not need to co nnect the pr inter to a comp uter or ter minal to run thes e test s. T y pes of self t est s are : • P owe r-On Self T est (POST) • Print T est • Hex T race Mode (a comp uter o r ter minal is nece ssar y) T[...]

3-2 Ser vice Ma nual 24xx P o wer -On Self T est (POST) The following tests ar e auto matically performe d when th e pri nter is tur ned on. • LEDs T est - Ch ecks operation of L EDs on the operator p anel. The LEDs tur n on a nd off after the pr inter is tur ned on , then all LEDs t urn on f o r a f ew second s. • RAM T est - Checks that the C[...]

Diagnost ic Aids 3-3 24xx Print T est The pr int t est helps you test and trou bleshoot the p rinte r . T o s tar t the pri nt test: 1. Paper must be at the pr int pos ition; tes t does no t pri nt if paper is park ed. 2. Pr ess a nd hold Line Feed an d tur n the pr inter on. 3. Rele ase Line Feed when th e pri nting sta r ts. 4. T o interr upt the[...]

3-4 Ser vice Ma nual 24xx Hex T race Mode The hex trace mo de helps the us er test an d troubleshoot pr ograms. Use the hex trace proce dure to g et a hexadecim al pr intout of the data str eam se nt to the pr inter. All data, inc luding b oth con trol and character d ata, pr int in hexadeci mal ins tead of ASCII. T o act iv ate he x tr ace mo de: [...]

Diagnost ic Aids 3-5 24xx Printer Default Setti ngs U .S. Defaults T o i nitiali ze or reset the pri nter to the U.S . factor y de f aul ts: (Code pa ge 437 C haracter Set 1, form len gth 11 i nch) 1. Make sure paper and the r ibbon ca r tr idge are ins talled . 2. T urn the p rin ter of f . 3. Op en the rib bon ac cess c ov er . 4. M ov e the p r [...]

3-6 Ser vice Ma nual 24xx Clearing P aper Jams Cut Sheet Jams T o clear cu t f orm paper jams: 1. T ur n the pr inter of f . 2. Set t he forms th ickness lever to position 7. 3. Push th e paper s elect lever down to the co ntinuous f or ms position. 4. Gently pull out the sh eet of p aper fro m the fron t of the p rint er . 5. Remove the ribbon ac [...]

Repair Informatio n 4-1 24xx 4. Repair Information This cha pter con tains adjus tments an d removal procedures. Whenev er par ts are rep laced, ma ke sure that all adjustme nts are correct by runni ng diagnos tics proc edures and checking adjustm ents as n eeded. Handling ESD-Sensitive P ar ts Many electro nic prod ucts us e par ts that ar e known[...]

4-2 Ser vice Ma nual 24xx Adjustments CA UTION: Be s ure to unp lug the power cord whe ne v er you are working o n the pr inte r with one of the covers removed. Printhead-to-Platen Gap Adjustment P erfor m the pr in thea d- to- plate n ga p adju stm ent afte r repla cing the carr ier , platen, l ower pinch ro ller , r ibbon dr ive rac k gea r , lef[...]

Repair Informatio n 4-3 24xx 8. Usi ng a feeler gauge [ 1 ], sl owly adjust t he left gap adjus t bushing [ 2 ] counterc lockwise, until a gap of ( within 0.33 an d 0.37 mm) exists between the pri nthead [ 3 ] and the plat en. 9. Move the printhe ad to the r ight edge of the rubber on the platen and usi ng a feeler gauge [ 1 ], slowly adju st the r[...]

4-4 Ser vice Ma nual 24xx Note: F o r maximum pri nt quality , adjust th e head gap on both the left and r ight sides of the pr inter to wit hin +/ - 0.01mm. If the ga p v alu e exceeds the sp ecified range, retur n to s tep 4 a nd re-ad just both left a nd ri ght gap adjust bushi ngs. 11. After confir ming th e head gap is w ithin the spec ified r[...]

Repair Informatio n 4-5 24xx Remo val Pr o c edures CA UTION: Be s ure to un plug the power cor d whenev er you are worki ng on the p r inter with one of the covers remov ed. Co vers, Remo v al s[...]

4-6 Ser vice Ma nual 24xx Covers, Fr ont Remov al 1. Rotate the front cover out an d up about th ree inc hes from the bottom of the pr in ter. 2. Push th e front cover up and out o f the pr inter . Co vers, Ribbon Access Remo val 1. Pull b oth gra y spr ing loa ded r ibbon ac cess c ov er rele ase latches [ A ], on ei ther side of the ribbon acc es[...]

Repair Informatio n 4-7 24xx Co vers, Option Remo val 1. From the bottom , pull the option cov er [ A ] out ward and up, removing it from the p r inter .[...]

4-8 Ser vice Ma nual 24xx Cover s, T op Remov al 1. T ur n the pr inter o ff and disc onnect the p ower cord at the pr inter. 2. Remove the tractor assem bly , if it i s installe d in the pu ll tractor positi on, by pressing the lo cking lev ers and pull ing th e tractor asse mb ly out of th e p rinter . 3. Remove the ribbon acc ess cover . Go to ?[...]

Repair Informatio n 4-9 24xx 8. T urn the pr inter u pside down. 9. I nser t a flat blade scr ewdriver into ea ch of th e four holes [ A ] in the bott om cov er , releasing th e top cov er from the bottom cover .[...]

4-10 Se r vice M anu al 24xx 10. T ur n the prin ter r ight si de up a nd inser t a flat blade sc rewdriver into eac h of the two holes [ A ] in the back of the top cover . 11. Lift the top cover up and ov e r the pr in t unit assem bly . Note: When repl acing the top cover , be sure the operator p anel cable is correc tly aligned a nd inser ted se[...]

Repair Informa tion 4-11 24xx Co vers, Ope rator P anel Assembl y Remov al 1. Remove the top cover . Go to “Cover s, T op Remov al” on page 4-8 . 2. Dis connect t he opera tor panel cable from th e operator pane l card, on the ins ide of the top cover . 3. Pus h down on the two la tches [ A ] at th e top of the ope rator pane l on the in side o[...]

4-12 Se r vice M anu al 24xx Cover s, Bottom Remov al 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Remove the logic boar d. Go to “Logic Board Remo val” on page 4-14 . 3. Remove the power supply unit. G o to “P ower Suppl y Remov al” on page 4 -15 . 4. Remove the print u nit. Go to “Print Unit Remo val” [...]

Repair Informa tion 4-13 24xx Electr onics Remov als EPR OM Removal 1. Rem ov e the opt i ons cov er [ A ], by pulling it o utward, up and o ut of the pr inter. 2. Remove the EPROM module. Note: When repl acing the EPROM mod ule, be su re the not ch on the modul e is toward the fron t of the p rint er .[...]

4-14 Se r vice M anu al 24xx Logic Board Remo val 1. Remove the top cov er . G o to “Covers, T op Remov al” on page 4-8 . 2. Disconnec t all ca bles connec ted to th e logic b oard. Go to “Logic Boar d (9w & 24w)” on page 5-3 , f or connecto r location deta ils. Note: Do not twist th e flexib le cable whe n disco nnecting the pri nthe a[...]

Repair Informa tion 4-15 24xx P ower Suppl y Remov al CA UTION: The power supply may be hot. 1. T ur n off the pr inter an d discon nect the p ower cord at bo th ends. 2. Remove the top cover . Go to “Cover s, T op Remov al” on page 4-8 . 3. Remove the pri nt unit. Go t o “Print Unit Remo val” on page 4-28 . 4. Disc onnec t the pow er supp [...]

4-16 Se r vice M anu al 24xx Carrier Re mova ls Carrier Remo val 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Remove the printh ead from t he carr ier . Go to “Printhead Remov al” on page 4 -27 . 3. Loosen the car r i er belt: a. Loosen the te nsio n screw [ A ]. b. Remov e tens ion from the bel t, by pulling up[...]

Repair Informa tion 4-17 24xx 4. Remove the reta ining wir e [ A ] from the left sid e of the carri er shaft.[...]

4-18 Se r vice M anu al 24xx 5. Remove the screw [ A ] from the forms thickness lever and remove the lev er .[...]

Repair Informa tion 4-19 24xx 6. Remove the lower carr ier moto r mount s crew [ A ]. 7. Remove the two screws [ B ] from the c arrier shaft bushin g brack et on th e left end of the c arrie r shaft an d remove the b ra cket . 8. Remove the E-clip from th e right side of the carr ier s haft.[...]

4-20 Se r vice M anu al 24xx 9. Push the carri er shaft [ A ] fr om the r ight sid e and out the l eft side of the pr inter. 10. Remove the carr ier f rom the pr inte r . Note: F ollowin g replacem ent, per form the P rin thead- to-Plat en Gap Adju stment. Go to “Printhead-to-Platen Gap Adjustme nt” on page 4-2 .[...]

Repair Informa tion 4-21 24xx Carrier , Motor Assembly Remov al 1. Remove the top cover . Go to “Cover s, T op Remov al” on page 4-8 . 2. L oosen the carr ier be lt a. Loosen the t ension s crew [ A ]. b. Remov e tens ion from the c arr ier belt , by pulling up on the belt. c. T ighten the t ensio n screw . Looseni ng the sc rew tightens th e b[...]

4-22 Se r vice M anu al 24xx 4. Remove the screw [ A ] from the forms thickness lever and remove the lev er .[...]

Repair Informa tion 4-23 24xx 5. Remove the screw [ A ] s ecu ring the carr ier m otor bracket to the bottom c ov e r . 6. Dis connect t he pr inthead cable from the logic board an d mov e it back and out of the way , as shown. 7. Remove the five screws [ B ] securing th e carr ier moto r bracket to the pri nt unit. 8. Rem o v e t he hom e p osi ti[...]

4-24 Se r vice M anu al 24xx P a per Handling Remov als P aper Select Lever Remo v al 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Release the la tch an d remove the paper se lect l ev er fro m the ri ght si de frame. P aper Feed M otor Remov a l 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4[...]

Repair Informa tion 4-25 24xx Form Thic kness Lever Remo val 1. Remove the top cover . Go to “Cover s, T op Remov al” on page 4-8 . 2. Remove the screw [ A ] from the lev er and remove the f or m thic kness le ver .[...]

4-26 Se r vice M anu al 24xx Print Ha ndl ing Remov als Platen Re mo va l 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Remove the two platen screws [ A ] from each end of t he platen. 3. Remove the platen from the paper tra y . 4. P er f or m the Pri nthead -to-Platen Gap a djustmen t. Go to “Printhead-t o-Platen [...]

Repair Informa tion 4-27 24xx Printhead Remo val 1. T urn the p rin ter of f . 2. Dis connect the power cord a t the p rint er and a llow the pr inthead to cool for 15 minutes, prior to ha ndling. 3. Set the form thickness l ev er t o posi tion 7. 4. Remove the ri bbon access cover . Go to “Cover s, Ribbon Access Re mov al” on page 4-6 . 5. Rem[...]

4-28 Se r vice M anu al 24xx Print Unit Remo val 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Disconnec t all ca bles from the logic bo ard, except the p ower suppl y cab le. 3. Remove the screw from the form thi ckness lev er and r emov e the lev er . 4. Remove the two grommet ancho red sc rews [ A ] from the left [...]

Repair Informa tion 4-29 24xx 5. Remove the two grommet an chor ed screws [ A ] from t he right side of the p rint uni t. 6. Remove the pri nt uni t from the bottom cover , by pullin g up forcefully on bo th sides of the p rint unit.[...]

4-30 Se r vice M anu al 24xx Ribbon Drive Rack Gear Remo val 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Remove the carrie r . Go to “Carr ier R emo va l” on p age 4-16 . 3. Unsnap t he white plastic end stop [ A ] fro m the top le ft side of the pr int uni t. 4. Unlatch the lef t side of t he rack from the to [...]

Repair Informa tion 4-31 24xx Gear s Remo v als Left Side Gear s Remo va l 1. Remove the top cover . Go to “Cover s, T op Remov al” on page 4-8 . 2. Remove the three screws [ A ] from th e ser ial inte rf ace card b ra cket .[...]

4-32 Se r vice M anu al 24xx 3. Remove the f our screws [ A ] f rom the pa per feed motor bracket assemb ly .[...]

Repair Informa tion 4-33 24xx 4. Remove the paper feed motor brack et assem bly , e xposin g the gears, as shown.[...]

4-34 Se r vice M anu al 24xx Right Side Gear s, Sub Frame Remo val 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Unhook t he wire r etaine r [ A ] from the carr ier sha ft. 3. Remove the two screws and washers [ B ] fr om the s ub frame. 4. Remove the paper sel ect lev er [ C ].[...]

Repair Informa tion 4-35 24xx 5. Remove the sub frame exposing the r ight sid e gears [ A ], as sho wn.[...]

4-36 Se r vice M anu al 24xx Roller s Remov als Roller , Upper Feed Remov al 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Remove the screw from the pr int c able shield and r emove the shiel d. 3. Remove the gear from the lef t end of the u pper feed roller , as sho wn.[...]

Repair Informa tion 4-37 24xx 4. Remove the two screws [ A ] from the r ight u pper feed roller brack et. On e screw also reta ins the up per feed roller ground clip . 5. Pul l the uppe r fe ed roller from th e left bracket and out of th e printe r . 6. Be s ure to pe rform the Pri nthead-to -Platen Gap Adj ustmen t proc edur e. Go to “Printhead-[...]

4-38 Se r vice M anu al 24xx Roller , Lower Pinc h Remov al 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Slide the c arr ier to t he fa r left of the pr inter . 3. Remove the f our screws [ A ] f rom the pa per feed motor bracket. 4. Remove the screw from the top of the ser ial inter f ace ca rd br ack et. 5. Discon[...]

Repair Informa tion 4-39 24xx 7. Un hook the s pri ng cl ip [ A ] from th e ri ght end of the lower pinch rolle r shaft a nd push i t off the gra y slotte d spr ing block [ B ] toward the back of the pr inter, as shown. 8. Sli de the ca rri er to the righ t side of t he pr int er .[...]

4-40 Se r vice M anu al 24xx 9. Unhoo k the spr ing clip [ A ] from the left en d of the lower pinch roller sha ft and p ush it off the gray slotted spr ing block [ B ] toward the back of the pr inter, as shown. 10. Sli de the carr ier to the cen ter of the pr inter . 11. Sli de the gra y slotted spr ing blocks [ B ], on ea ch e nd, toward the cent[...]

Repair Informa tion 4-41 24xx Roller , Lower Feed Remov al 1. Remove the top cover . Go to “Cover s, T op Remov al” on page 4-8 . 2. Remove the pri nt unit. Go t o “Print Unit Remo val” on page 4-28 . 3. Remove the carr ier . Go to “Carrier Removal” on pa g e 4-16 . 4. Re mov e the two screws secur ing the black brac k et to the inside [...]

4-42 Se r vice M anu al 24xx 9. Remove the two screws [ A ] secur ing the p laten to the side frames. 10. Remove the carr ier m otor bracket. Go to “Carr ier , Motor Assembl y Remo val” on page 4-21 . 11. Remove the five screws sec uri ng the le ft side f rame an d remove the frame. 12. Remove the four screws from the r ight s ide frame an d re[...]

Repair Informa tion 4-43 24xx Sensor s Remov als[...]

4-44 Se r vice M anu al 24xx Sensor , Pull T ractor Remo val 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Remove the small screw secur ing the pull t ractor se nsor to t he inside of the left frame. Go to “S ensors Remov als” on page 4-43 . 3. Disconnec t the p ull tractor s ensor fro m the logi c boa rd. Sensor[...]

Repair Informa tion 4-45 24xx Sensor , P aper Select Remov a l 1. Remove the top cover . Go to “Cover s, T op Remov al” on page 4-8 . 2. Remove the pri nt unit. Go t o “Print Unit Remo val” on page 4-28 . 3. T ur n the pri nt unit ups ide down. 4. Re mov e the 4 small sc rews secur ing the pa per sele ct sens or to the left side f rame. Go [...]

4-46 Se r vice M anu al 24xx Sensor , Home P osition Sensor Remo val 1. Remove the top cov er . G o to “Covers, T op Removal” on page 4-8 . 2. Disconnec t the h ome posi tion sens or cable from th e logic board. 3. Unsnap t he home posit ion sens or [ A ] fr om the frame.[...]

Repair Informa tion 4-47 24xx Options Remo val s A uto Sheet Fee der Gear s Remo val 1. Remove the ri ght cover . 2. Re leas e the join t gear latch [ A ] and remove the joint gear . 3. Re lease the idle r gear latc h and rem ov e the idler g ear . 4. Rele ase the pick-up gear latch and remove the gear . 5. Re lease the comb inatio n lock mecha nis[...]

4-48 Se r vice M anu al 24xx A uto Sheet Feede r Pick-up Roller Remov al 1. Remove the cov e rs and th e cut sheet s uppor t. 2. Relea se the joint gear latch [ A ] and rem ov e the jo int gea r , i dler gear , and pi ck-up gear . 3. Remove the left and r igh t roller bushin gs. 4. Mov e the pick-up roll ers to th e ends of the sha ft and rem ov e [...]

Connecto r Locations 5-1 24xx 5. Connecto r Location s This cha pter ide ntifies th e locati ons of specifi c par ts of the prin ter .[...]

5-2 Ser vice Ma nual 24xx Signal Connections P ower Suppl y (9w & 24w) Connector Pin # Signal CN1 1 +40 V dc 2 +40 V dc 3P o w e r G n d 4P o w e r G n d 5 Si gnal Gnd 6+ 5 V d c 7 P owe r Save Mo de Connector Sig nal F1 Fuse[...]

Connecto r Locations 5-3 24xx Logic Boar d (9w & 24w)[...]

5-4 Ser vice Ma nual 24xx Logic Board - P arallel Interface Cable (9w & 24w) Connector Pin # Signal Pin # Signal CN11 1 -Strobe 19 Signal G nd 2 Da t a 0 20 S ignal Gnd 3 Da t a 1 21 S ignal Gnd 4 Da t a 2 22 S ignal Gnd 5 Da t a 3 23 S ignal Gnd 6 Da t a 4 24 S ignal Gnd 7 Da t a 5 25 S ignal Gnd 8 Da t a 6 26 S ignal Gnd 9 Da t a 7 27 S ignal[...]

Connecto r Locations 5-5 24xx Logic Boar d (9w & 24w)[...]

5-6 Ser vice Ma nual 24xx Logic Board - S erial Board (9w & 24w) Connector Pin # Signal CN20 0 1+ 5 V d c 2+ 5 V d c 3- C T S 4D T S 5R X D 6R T S 7D S R 8T X D 9 Si gnal Gnd 10 SBSET Connector Pin # Signal CN1 10 +5 V dc 9+ 5 V d c 8- C T S 7D T S 6R X D 5R T S 4D S R 3T X D 2 Si gnal Gnd 1 SBSET[...]

Connecto r Locations 5-7 24xx Logic Boar d (9w & 24w)[...]

5-8 Ser vice Ma nual 24xx Logic Board - USB Cable (9w & 24w) Logic Board - DC P o wer (9w & 24w) Connector Pin # Signal CN20 1 1+ 5 V d c 2D M N S 3D P L S 4 Si gnal Gnd Connector Pin # Signal CN12 1 +40 V dc 2 +40 V dc 3P o w e r G n d 4P o w e r G n d 5 Si gnal Gnd 6+ 5 V d c 7 P owe r Save Mo de[...]

Connecto r Locations 5-9 24xx Logic Boar d (9w & 24w)[...]

5-10 Se r vice M anu al 24xx Logic Board - P rinthead (9w) Connector Pin # Signal CN40 0 1H 4 2H 6 C 3H 8 C 4H 1 C 5H 6 6H 2 C 7H 4 C 8H 8 9H 2 10 H9 11 HDTHERMO 12 +5 V dc 13 H1 14 H9C 15 H3 16 H7C 17 H5 18 H3C 19 H7 20 HSC[...]

Connecto r Loc ations 5-11 24xx Logic Boar d (9w & 24w)[...]

5-12 Se r vice M anu al 24xx Logic Board - P rinthead (24w) Connector Pin # Signal CN30 0 1 +40 V dc 2R 1 5 3 +40 V dc 4R 2 1 5 +40 V dc 6R 2 3 7 +40 V dc 8L 2 4 9R 1 3 10 L22 11 L14 12 L20 13 +4 0 V dc 14 L18 15 +4 0 V dc 16 L16 17 +4 0 V dc[...]

Connecto r Loc ations 5-13 24xx Logic Boar d (9w & 24w)[...]

5-14 Se r vice M anu al 24xx Logic Board - P rinthead (24w) Connector Pin # Signal CN30 1 1R 9 2R 1 1 3R 7 4R 1 7 5R 5 6R 1 9 7R 3 8 HDTHERMO 9R 1 10 +5 V dc 11 L2 12 +4 0 V dc 13 L4 14 +4 0 V dc 15 L6 16 L12 17 L8 18 L10[...]

Connecto r Loc ations 5-15 24xx Logic Boar d (9w & 24w)[...]

5-16 Se r vice M anu al 24xx Logic Board - G ap Set Sensor (9w & 24w) Logic Board - Home P osition Sensor (9w & 24w) Logic Board - P aper Present Sensor (9w & 24w) Connector Pin # Signal CN4 1 GAP1 2 Si gnal Gnd 3 GAP2 Connector Pin # Signal CN9 1 HPSW 2 Si gnal Gnd Connector Pin # Signal CN5 1 PE1P 2 PE1 3 Si gnal Gnd[...]

Connecto r Loc ations 5-17 24xx Logic Boar d (9w & 24w)[...]

5-18 Se r vice M anu al 24xx Logic Board - P aper Select Sensor (9w & 24w ) Logic Board - P ull T ractor Sensor (9w & 24w) Logic Board - T op Of Form Sensor (9w & 24w) Connector Pin # Signal CN8 1T R / F R 2 Si gnal Gnd Connector Pin # Signal CN3 1P L T R 2 Si gnal Gnd Connector Pin # Signal CN6 1 Si gnal Gnd 2 PE2P 3 PE2[...]

Connecto r Loc ations 5-19 24xx Logic Boar d (9w & 24w)[...]

5-20 Se r vice M anu al 24xx Logic Board - Carrier Motor (9w & 24w) Logic Board - P aper Feed Motor (9w & 24w) Connector Pin # Signal CN2 1C A D 2C A C 3C A B 4C A A Connector Pin # Signal CN1 1L F D 2L F C 3L F B 4L F A 5N C[...]

Connecto r Loc ations 5-21 24xx Logic Boar d (9w & 24w)[...]

5-22 Se r vice M anu al 24xx Logic Board - O perator P anel (9w & 24w) Connector Pin # Signal CN13 Logic Board 1 +5 V dc 2S L A T C H 3 +5 V dc 4T X D 5S i g n a l G n d 6R X D 7S i g n a l G n d 8S C L K 9S G Connector Pin # Signal CN1 Operator P anel 1 +5 V dc 2S L A T C H 3 +5 V dc 4T X D 5S i g n a l G n d 6R X D 7S i g n a l G n d 8S C L K[...]

Connecto r Loc ations 5-23 24xx Logic Boar d (9w & 24w)[...]

5-24 Se r vice M anu al 24xx Logic Board - Dual T racto r Cable (9w & 24w) Connector Pin # Signal CN10 1 +40 V dc 2 +40 V dc 3P o w e r G n d 4P o w e r G n d 5+ 5 V d c 6C O C O M 7 D-SET 8 Si gnal Gnd 9C O A 10 COB 11 JA M 12 D-H.P 13 D-POS[...]

Connecto r Loc ations 5-25 24xx Serial B oard - S erial Cab le (9w & 24w) Connector Pin # Signal Pin # Sig nal CN2 1 Cha ssis Gnd 13 NC 2T X D 1 4 N C 3R X D 1 5 N C 4R T S 1 6 N C 5- C T S 1 7 N C 6D S R 1 8 N C 7 Signal Gnd 19 NC 8N C 2 0 D T R 9N C 2 1 N C 10 NC 22 NC 11 NC 23 NC 12 NC 24 NC 25 NC[...]

5-26 Se r vice M anu al 24xx T rac tor 2 Cable Conn ectors The T ractor 2 cable is s oldered to the T ractor 2 board at C N1; ther e is no c onnect or . Connector Mode CN 1- 1 + 26 V dc . CN 1- 2 + 26 V dc . CN1-3 Fr ame GND . CN1-4 Not used. CN 1- 5 + 5 V dc. CN 1- 6 Mo tor c om m o n. CN 1- 7 D - Set ( sig nal f or T racto r 2 p l ugge d in ). CN[...]

Prev entive Main tenance 6- 1 24xx 6. Preventive Maintenance This cha pter des cribes proce dures for pri nter prev entive maint enance. Following these recomm endations can hel p prev e nt problems an d main tain optimum performan ce. Lubrication Wa r n i n g : Petroleum-based l ubri cants c an attack polyc arbonate par ts caus ing prem ature fail[...]

6-2 Ser vice Ma nual 24xx Lubrication P oints Oil • Oil Felt (car ri er block) • Tr a c t o r S h a f t Grease • Side F rame (Le ft) and G ears • Side Fr ame (R ight) a nd ASF Ge ars • Pinch Rol ler , P inch Rol ler Spr ings an d P a per Sepa rator • ASF Sid e F rames, Gears and Com bination Lock Mechani sm • ASF Sid e F ra me (Left) [...]

Prev entive Main tenance 6- 3 24xx Lubrication P oints (Oil) The oil felt [1] in the car ri er block. The tractor shaft [1].[...]

6-4 Ser vice Ma nual 24xx Lubrication P oints (Grease) Gear mount ing s tuds on the rig ht side fra me [2]. The lower pinch roller [2].[...]

Prev entive Main tenance 6- 5 24xx Lubrication P oints (Grease) Continued Gear moun ting s tuds on the left s ide frame [ 2].[...]

6-6 Ser vice Ma nual 24xx Lubrication P oints (Grease) Continued Gear m ounting s tuds on the left A SF side fra me [2]. Gear mount ing s tuds on the rig ht ASF si de frame [2].[...]

Pa r t s C a t a l o g 7-1 24xx 7. P ar ts Catalog How T o Use This P ar ts Catalog SIMILAR A SSEMB LIES: If two assemblies contain a major ity of ident ical par ts, they are shown o n the same list . Common par ts are shown by one inde x number . P ar ts peculia r to one or the other of the assemblies ar e liste d sepa rately and identifie d by de[...]

7-2 Ser vice Ma nual 24xx Assemb ly 1: Co vers[...]

Pa r t s C a t a l o g 7-3 24xx Asm- Index Par t Number Descrip tion 1 - 1 12G 3877 Guide, Le ft Paper 2 12G3873 Co ver Asm ., F ront Unit (2480, 2490) 2 12G3874 Co ver Asm ., F ront Unit (2481, 2491) 3 12G3 878 Guide , Right P aper 4 12G 385 8 Cover , Ribbon Acc ess U n it ( 2480 ) 4 12G 385 9 Cover , Ribbon Acc ess U n it ( 2481 ) 4 12G 386 8 Cov[...]

7-4 Ser vice Ma nual 24xx Assemb ly 1: Co vers[...]

Pa r t s C a t a l o g 7-5 24xx Asm- Index Par t Number Descrip tion 1 - 8 12G3856 Cov er , Bottom (2480 , 2490) 8 12G3857 Co ver , Bottom (2 481, 2491 ) 9 12G3 854 T rac tor Unit (24 80, 2490) 9 12G3 855 T rac tor Unit (24 81, 2491) 9A 12G3850 F rame , Right Side T rac tor 9B 12G3853 T rac tors, Left and Rig ht 9C 79F4 830 Suppor t, T rac tor Pape[...]

7-6 Ser vice Ma nual 24xx Assemb l y 2: Carrier / P aper Feed Right Side[...]

Pa r t s C a t a l o g 7-7 24xx Asm- Index Par t Number Description 2 - 1 12G 384 1 C a r r ie r Rol ler Set 2 12G3894 Printhead Assem bly (24 80, 2481) 2 12G3895 Printhead Assem bly (24 90, 2491) 3 12G3 838 Carrier Unit (2480) 3 12G3 837 Carrier Unit (2481) 3 12G3 840 Carrier Unit (2490) 3 12G3 839 Carrier Unit (2491) 4 12G3889 Cab le, Printhea d [...]

7-8 Ser vice Ma nual 24xx Assemb l y 2: Carrier / P aper Feed Right Side[...]

Pa r t s C a t a l o g 7-9 24xx Asm- Index Par t Number Description 2 - 22 12G3832 Roller , Upper F eed (2480, 2490) 22 12G3833 Rolle r , Upper F eed (2481, 2491)[...]

7-10 Se r vice M anu al 24xx Assemb ly 3: Carri er / P aper Feed Left Side 3 11 7 13 18 5 16 9 15 2 10 17 4 12 8 14 19 1 20 23 21 26 24 22 25 1 1 2 2 2 2 2 2 2 2 2 2 2 10 11 6[...]

Pa r t s C a t a l o g 7-11 24xx Asm- Index Par t Number Descrip tion 3 - 1 12G 3905 Ge ar s an d Bush ing s, P ar ts P acket (2 48X) 1 12G 3906 Ge ars an d Bush ing s, P ar ts P acket (2 49X) 2 12G3 907 Screws, W ashers a nd Clips , P ar ts P ac ket 3 12G3942 Kit, Pu ll T ractor Actuator 4 12G3817 F rame , Left Side (2480, 24 81) 4 12G3818 F rame [...]

7-12 Se r vice M anu al 24xx Assemb ly 3: Carri er / P aper Feed Left Side 3 11 7 13 18 5 16 9 15 2 10 17 4 12 8 14 19 1 20 23 21 26 24 22 25 1 1 2 2 2 2 2 2 2 2 2 2 2 10 11 6[...]

Pa r t s C a t a l o g 7-13 24xx Asm- Index Par t Number Descrip tion 3 - 24 12G3931 Kit, H ead Gap Adj ustment 25 12G3947 Le ver , F or m Thic kness 26 56P1224 Motor , P aper Feed (with BKT) 29 11A3274 Gear , Idle (248X) 29 11A3275 Gear , Idle (249X)[...]

7-14 Se r vice M anu al 24xx Assemb ly 4: Electr onics[...]

Pa r t s C a t a l o g 7-15 24xx Asm- Index Par t Number Descrip tion 4 - 1 12G3907 Screws , W ashers and Clips, P ar ts P acke t 2 12G3836 Kit, ESD Grou nd (2490, 2 491) 2 12G3887 Kit, ESD Grou nd (2480, 2 481) 3 12G3801 P ower Supply Unit, L V 3 12G3800 P ower Supply Unit, H V 4 12G3812 Module , EPROM (248X) 4 12G3813 Module , EPROM (249X) 4 12G3[...]

7-16 Se r vice M anu al 24xx Assembl y 5: ASF - Ro ller / Suppor t[...]

Pa r t s C a t a l o g 7-17 24xx Asm- Index Par t Number Descrip tion 5 - 1 12G 3814 Suppor t, AS F Cut Shee t W/ Gui des (24 80, 24 90) 1 12G3908 Support, ASF Cut Sheet W/ G uides (2481 , 2491) 2 95F68 86 Roller , ASF Upp er Fee d (2480, 24 90) 2 95F68 96 Roller , ASF Upp er Fee d (2481, 24 91) 3 95F68 87 Roller , ASF Low er F eed (2480, 2490) 3 9[...]

7-18 Se r vice M anu al 24xx Assemb ly 6: ASF - Side Frame / Co ver s[...]

Pa r t s C a t a l o g 7-19 24xx Asm- Index Par t Number Descrip tion 6 -1 95F68 93 ASF Springs, P ar ts P ac k e t 2 95F68 92 ASF Gears and Bus hings , P ar ts P ack et 3 12G 392 0 Cover , ASF R i ght 4 95F6894 ASF Scre ws, P ar ts Pa ck et 5 12G3921 Cov er , ASF/TR2 F ront (2480, 2 490) 5 12G3930 Cov er , ASF/TR2 F ront (2481, 2 491) 6 12G 394 5 [...]

7-20 Se r vice M anu al 24xx Assemb ly 7: T ractor 2 Option[...]

Pa r t s C a t a l o g 7-21 24xx Asm- Index Par t Number Descrip tion 7 - 1 12G3923 T ab le, T ractor 2 P aper W/ Guid es (2480, 2490) 1 12G3924 T ab le, T rac tor 2 P aper W/ Guides (2481, 249 1) 2 11A333 8 Guide , T ractor 2 P aper 3 12G3926 T rac tor and F rame As semb ly , T rac tor 2 (2480, 2490) 3 12G3927 T rac tor and F rame As semb ly , T r[...]

7-22 Se r vice M anu al 24xx Coax / T winax Adapter Asm- Index Par t Number Descrip tion NS 12G3704 Adapt er , Coax (P ower Cable and Adapter) NS 12G3705 Adapt er , T winax (P ow er Cab le and Ada pter) NS 12G3709 Brac ket, Adap ter (Brac ket Only) NS 13A0297 Cab le, Coax (Cab le Only) NS 13A0 296 Cable, T w inax (C able Onl y) NS 11A6109 Cabl e, S[...]

Index I-1 24xx Index A Abbrevia tions 1-6 Adjustm ents 4-2 Bidirect ion al Print 4-4 Printhead -to-Platen Gap 4-2 ASF Principl es of Op eration 2-14 C Connec tions Logic Bo ard Carrier Motor 5-20 DC Power 5-8 Dua l Trac tor Cabl e 5-24 Gap Set Senso r 5- 16 Home Posi tion Sensor 5-16 Operator Pa nel 5-22 Paper Feed Motor 5-20 Paper Present Se nsor [...]

I-2 Ser vice Manual 24xx P Paper Jams Cleari ng Continu ous Forms 3-6 Clearing Cut Sheet 3-6 Parts ASF Roller/S upport 7-16 Side Fram e/Co ver s 7-1 8 Carrier /Pape r Feed L eft Si de 7-10 , 7-12 Carrier /Paper Feed Righ t Side 7-6 , 7-8 Coax/Tw inax Adapter 7-2 2 Covers 7-2 Electron ics 7-14 Tractor 2 Option 7-20 Parts Catalog How to use 7-1 POST [...]

Index I-3 24xx S Safety Inf ormation vii Service C hec ks 2-13 Abno rmal No ise 2-13 Abnormal Print 2-2 1 Auto Sheet Feeder 2-14 Carrier 2-16 Intermit tent Problem 2- 18 No Print 2-21 Opera tor P a nel 2-21 Paper Feed 2-23 Paper Present Sens or 2-2 2 Paper Select Sens or 2-2 5 POST 2-26 Power 2-27 Print Spee d 2- 28 Printhead 2- 29 Printhead Contin[...]

I-4 Ser vice Manual 24xx 12G382 7 7-11 12G382 8 7-11 12G383 1 7-11 12G383 2 7-9 12G383 3 7-9 12G383 4 7-7 12G383 5 7-7 12G383 6 7-7 , 7-15 12G383 7 7-7 12G383 8 7-7 12G383 9 7-7 12G384 0 7-7 12G384 1 7-7 12G384 4 7-11 12G384 5 7-11 12G384 8 7-15 12G384 9 7-5 12G385 0 7-5 12G385 1 7-5 12G385 2 7-5 12G385 3 7-5 , 7-21 12G385 4 7-5 12G385 5 7-5 12G385[...]

Index I-5 24xx 12G394 3 7-7 12G394 4 7-17 12G394 5 7-19 12G394 6 7-11 12G394 7 7-13 12G394 8 7-7 , 7-11 12G399 9 7-5 13A0296 7-2 2 13A0297 7-2 2 1333275 7-17 1339517 7-3 1339518 7-3 1339519 7-3 1339520 7-3 1339521 7-3 1339522 7-3 1339523 7-3 1339524 7-3 1339525 7-3 56P1219 7-1 1 56P1224 7-1 3 56P1476 7-1 5 79F4757 7-3 79F4802 7-1 1 79F4830 7-5 79F4[...]

I-6 Ser vice Manual 24xx[...]