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Lexmark 5056 manual

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Table of contents for the manual

  • Page 1

    L e x m a r k™ C 920 50 5 6 - xx x Lexmark Repair Catalog The following information is from Lexmark's Service Mnaual. Le xmark and Lex mark wit h dia m ond d esign are tr ademarks of Le xmark In ter nationa l, Inc. , r egistere d in the Unit ed States and/or othe r countries . The f o l l o w i ng pa r ag r aph does not ap p l y t o a n y co[...]

  • Page 2

    Repair info rmation 4-1 5056- XXX R e p a ir i n f o rm a t i o n Han dli ng ES D -s e ns it i ve par ts Many electr onic prod ucts use parts that ar e known to b e sensi tive to elect rostati c dischar ge (ESD). T o preven t dama ge to ESD-s ensitiv e part s, use the followi ng instruc tions in addi ti on t o a ll the us ual precau ti ons , such a[...]

  • Page 3

    4-2 Servic e Manual 5056- XXX RIP b oard/operat or panel rep lacemen t W arning: I f the operato r panel and the RIP b oard are being rep la ced at the same time, r epl ace the parts in thi s order to avoid dama ge to th e mac hin e. 1. Replac e the RIP card first . No te : Do n ot repl ace th e new operat or p anel and RI P car d in th e machin e [...]

  • Page 4

    Repair info rmation 4-3 5056- XXX Check f inisher alignment wh en moving or servici ng the fin isher Afte r moving or servi ci ng the finis her , pr int som e tes t pages to the fi nis her to ensure the ve rt ical and horizon tal ali gnm ent is cor rect . If the f in isher is not pr oper ly aligned , r e fer to “Aligning the fini she r and printe[...]

  • Page 5

    4-4 Servic e Manual 5056- XXX Adjustments Hi gh -ca pac it y pape r fe ed t imi ng be lt ad jus tme nt 1. Secure t he bra cket with the sc rew , as shown. 2. Atta ch the spring and wash er to the bracket wit h the screw . 3. Adjust t he screw t o 6mm ±1mm. 4. T ighte n the scr ew complet ely . 5. Adjus t the timing belt on the rea r i n the same m[...]

  • Page 6

    Repair info rmation 4-5 5056- XXX T ra nsfer bel t If you repl ace the transf er belt, che ck the printe r al ignment ( X , Y , and Thet a ), adjust ed in diagnost ic mode. LED printhe ad control le r board or LE D printhead If you r eplace t he LED pr inthead controll er board or L ED printh ead, c heck and adjust the fol lowing i tems in diagn os[...]

  • Page 7

    4-6 Servic e Manual 5056- XXX Remova ls Co ver, top rem oval 1. Open the to p unit, and r emove t he phot odevelopers and t oner car tridges. Cover the phot odevelo per s t o avoi d damage from ex posure t o t he light . 2. Remov e the t w o s ilver s crews, and remove the spacer . 3. Remov e fi ve black screws f rom the bottom and the f our silver[...]

  • Page 8

    Repair info rmation 4-7 5056- XXX Fr on t d oor / ope rat or pan el r em ova l W ar ning: I f the oper ator panel and t he RIP boar d are being repl aced at the sam e t ime, replace the par ts in the or der descr ibed i n st eps a through d belo w to a void damage to t he machi ne. a. Replac e the RI P ca rd (t hi s must be the firs t par t r eplac[...]

  • Page 9

    4-8 Servic e Manual 5056- XXX 8. Remov e six screws (C ) t hat hol d th e o perator panel to th e fr ont door . 9. Remov e the oper at or panel from th e do or . No te : If the USB cabl e or t he oper ator panel cabl e is being repl aced , use the toroi ds fr om t he ol d cables with the new cabl es. Cover , front lef t removal 1. Open the fr ont c[...]

  • Page 10

    Repair info rmation 4-9 5056- XXX Cover , rear remov al 1. Open the to p unit. 2. Remov e the t hree si lver s crews fr om the rear cove r , a nd then remove the cover . Cover , solenoid remova l 1. Remov e the scr ew from the soleno id cover . 2. Remov e the sol eno id cover . Cover , left side r emoval 1. Remov e the uppe r casset te, fr ont cove[...]

  • Page 11

    4-10 Service Manual 5056- XXX Cover , right sid e removal 1. Open the to p unit , and r emove t he fr ont cover and up per ca ssette. 2. Remov e the oper ator pan el ca ble and the USB c able f rom the operat or panel. (See “Front door / o perator pan el re m oval” .) 3. Remov e the sev en screws from the ri ght side cover tog ether with th e t[...]

  • Page 12

    Repair info rmation 4-1 1 5056- XXX Cover , RIP board r emoval W arning: I f the operato r panel and the RIP b oard are being rep la ced at the same time, r epl ace the parts in thi s order to avoid dama ge to th e mac hin e. 1. Replac e the RIP card first (thi s must be the fir st part replaced ). 2. Restar t the p rint er . Let th e machi ne fi n[...]

  • Page 13

    4-12 Service Manual 5056- XXX Tray , paper exit r e moval 1. Unlat ch the h inge a t th e back side, t hen unlat ch th e hinge o n the front s ide. 2. Remov e the pape r exit tray . Belt up /d o wn clutch remov al 1. Remove t he RIP cover , elect ronic box , pr i nter c ontroll er card, and HVPS board. 2. Unplug the bel t up/down clut ch cable from[...]

  • Page 14

    Re p ai r in fo rm atio n 4-1 3 5056- XXX Cas sette guid e r emoval 1. Remov e the pape r feed frame. 2. Remov e the f ront cover , c assette, t urn guide, right s id e c over , and pap er f e ed frame. 3. Remov e the scr ews from the casset te guide, and r emove the guid e. CK1 d aughter bo ar d removal 1. Remov e the f ront , right, lef t r ear ,[...]

  • Page 15

    4-14 Service Manual 5056- XXX Co nnec tor, duple x un it re moval 1. Open the to p unit and remove the uppe r cass ette, left f ront cover , p aper feed cover , left side co ver , RIP cover , RIP board, RIP box, an d the e lectroni c box. Remove the t ur n guide , o pen the paper feed cover , and remove t he d uplex unit. Rem ove th e lef t side co[...]

  • Page 16

    Re p ai r in fo rm atio n 4-1 5 5056- XXX Densit y sensor r emoval/Sep aration fi n g ers removal/S ensor cle aner removal 1. Open the to p unit and remove the belt unit . 2. Remov e the t hree sc rews fro m the s ensor bracket . 3. Remov e the har ness band and remov e the t wo s cre ws fr om t he densi ty senso r f r om the sen sor bracket. 4. Re[...]

  • Page 17

    4-16 Service Manual 5056- XXX Elect ronic bo x removal 1. Open the to p unit , and r emove t he back cover . 2. Remov e the RIP board cover . 3. Remov e the RIP board. 4. Remov e the scr ews from the elec tronic box. 5. Disco nnect all cabl es from the r ear o f the el ectroni c box, and rem ove the box.[...]

  • Page 18

    Re p ai r in fo rm atio n 4-1 7 5056- XXX Face u p paper exit assem b l y removal 1. Open the to p unit, and r emove t he upper casse t te. O pen the duplex cover , a nd remov e the duplex unit. 2. Remov e the l eft f ront co ver , left side c over , and rear c over . 3. Remov e the t hree sc rews fro m the f ace up deliver y ass embly , and remove[...]

  • Page 19

    4-18 Service Manual 5056- XXX Fus er re mov al 1. Open the to p unit. 2. Pushi ng the front and back lock , hold the handl e, and then rais e and remove t he fus er .[...]

  • Page 20

    Re p ai r in fo rm atio n 4-1 9 5056- XXX Gear c over rem oval/Multip urpose fe eder fram e assembly 1. Open the to p unit , and r emove t he upper casse tte, f r ont cover , m ultipu rpose fee der , right s ide cover , and tur n guid e. 2. Remov e the t w o scre w s fro m t he gear co ver , and r em ove th e c over . 3. Remov e the f our sc rews f[...]

  • Page 21

    4-20 Service Manual 5056- XXX High vol tag e po wer su ppl y bo ard ( H VPS) remo val No te : When removi ng the high vol tage power supply , be car eful to avoid dama gin g the sec ondary daugh ter card (Q906). If t he daug ht er card g et s da m aged, a 925 service error will r esult. 1. Open the to p unit, and r emove t he RIP cove r , RIP b oar[...]

  • Page 22

    Re p ai r in fo rm atio n 4-2 1 5056- XXX 5. Disco nnect t he af fected LED p rinthead co nnector s from the pr inthead cont roller boar d. Remove t he screw fro m the g round wi re loc ated on t he LED p rinthead. 6. Remov e the LED printhead and t he cabl es from the p rinter . When r epl acing the LED printhea d, replace th e corr esponding EEPR[...]

  • Page 23

    4-22 Service Manual 5056- XXX Lock handle asse mbly removal 1. Open the to p unit. 2. T urn the pl ast ic latch on the fron t and r e ar sides 90° . 3. Remov e the spr ing. 4. Remov e the l ock hand le assembl y .[...]

  • Page 24

    Re p ai r in fo rm atio n 4-2 3 5056- XXX Main drive unit remov al 1. Open the top un it, an d remove th e gear cover , upper cass ette, left front cover , paper fee d cove r , RIP cover , RIP board , RI P box , el ectronic box, and r ear co ver . 2. Open the tu rn guide and paper fe ed cover , an d remove t he duplex unit. 3. Remov e the l eft si [...]

  • Page 25

    4-24 Service Manual 5056- XXX 14. Remove the screw fr om the cl ut ch stopper . The clutch st opper is att ached t o the gr ound pl ate with two scr e ws. 15. Remove the six scr ews on the right side. 16. Remove the two scre ws fro m t he dri ve uni t, and remove the un it . 17. Remove the E-clip on th e b elt up/ down clutch, and rem ove th e c ha[...]

  • Page 26

    Re p ai r in fo rm atio n 4-2 5 5056- XXX M ain uni t fa n remo val 1. Remov e the l eft side cover , t he sol enoid cov er , a nd the r ear co ver . 2. Remove the L VPS (low voltag e power sup ply) 1. 3. Remov e two scr ews from the main uni t fan bracket. 4. Disco nnect the fan power cabl e fro m CN6 on the CK2 daughte r card board. 5. Remov e th[...]

  • Page 27

    4-26 Service Manual 5056- XXX Mult ipurpose feed er tray r emoval 1. Open the to p unit , and r emove t he fr ont cover , cas sette feeder , turn guides and ri ght side cover . 2. Open th e multipur pose fee der and sli de i t toward t he m ag net in the directi on of the ar row , r em ovi ng it f rom the pri nt er . Pap er f eed unit r emoval 1. R[...]

  • Page 28

    Re p ai r in fo rm atio n 4-2 7 5056- XXX 6. Remov e the pape r feed gear unit , pape r feed clutch , and t wo ge ars ( C ) not held in pla ce wi t h an E-cl ip. 7. Remov e the 3 scr ews (D), and remove th e c asse tte gui de. 8. Remov e the br ass screws (E) on the left si de of t he paper f eed un it. 9. Remov e the pape r feed unit, bein g c are[...]

  • Page 29

    4-28 Service Manual 5056- XXX Pape r-f eed ro ll er s re mov al Paperpa th maintenance A paper pat h mai nt enance ki t can be use d whe n a mach ine is expe riencing m i sfeeds and j ams aft er 200,000 pages. The o rder number for this k it i s 40 X1 109. Th e kit is compo sed of the following parts: In addi tion t o t he paper- path maint enanc e[...]

  • Page 30

    Re p ai r in fo rm atio n 4-2 9 5056- XXX Pape r ca r ryi ng fr ame remo val / rol l remo val 1. Open the to p unit , and r emove t he upper casse tte, f r ont cover , t urn g uide, m ultipurpose feede r , ri ght side cover , tu rn gui de, O HP det ect ion sens or (u pper), mult ipu rpose feeder f rame, b ack cov er , RIP cove r , RI P board, RIP b[...]

  • Page 31

    4-30 Service Manual 5056- XXX Reg istration frame Regist ration clu tch removal 1. Open the to p unit , open the turn guide, open the paper feed cov er , and pull out the du ple x u nit hal fway . 2. Remov e the t wo scre w s fro m the regi strati on f rame. 3. Remov e the re gistrat ion c l utch. No te : When ins tallin g, set the clip of the regi[...]

  • Page 32

    Re p ai r in fo rm atio n 4-3 1 5056- XXX Rel ay ro l le r re mov al No te : This remov al can be used for the exp ansion pape r-feed unit rel ay r oller remova l as well. 1. Remov e the pape r feed unit from the machi ne. 2. Remov e the e- clips a nd bushi ngs f rom each end o f the r elay roller shaft. 3. Remov e the f ive s cr ews ( A) that hold[...]

  • Page 33

    4-32 Service Manual 5056- XXX Face d own guid e assembly r emoval 1. Remov e the t op cover . 2. Disco nnect the connect or , and r em ove th e fi ve screws and two snap bands from the face down guide assem bly . 3. Remov e the f our sc rews from the face down cover an d the fa ce down guide assemb ly , and remove the assem bly . No te : When repl [...]

  • Page 34

    Re p ai r in fo rm atio n 4-3 3 5056- XXX 3. Remov e the re ar cov er . 4. Remov e the moto r and drive belt fr om the exi t r ol ler s haft. 5. Remov e the gr ounding stri p (A) .[...]

  • Page 35

    4-34 Service Manual 5056- XXX 6. Remov e the e- clips and bushi ngs ( A) f r om both ends of the exi t r o ller shaft. 7. Pull the gui de ri b (A) to the left .[...]

  • Page 36

    Re p ai r in fo rm atio n 4-3 5 5056- XXX 8. Remov e the exi t rol ler . Pow er s up ply 1 remo val 1. Unplug the power c ord f rom the printer . 2. Open the to p unit, and r emove t he RIP cove r , RIP b oard, RI P box , and electro ni c b ox. Remov e the casset te, left fr ont cover , and back cover . Remove the le ft sid e c over . 3. Remov e th[...]

  • Page 37

    4-36 Service Manual 5056- XXX Pow er s up ply 2 remo val 1. Unplug the power c ord f rom the printer . 2. Open the to p unit, and r emove t he RIP cove r , RIP b oard, RI P box , and electro ni c b ox. 3. Disco nnect the connect or , and remove th e s e ven sc rews from power suppl y 2, and remove the power suppl y . No te: Af ter re placi ng any b[...]

  • Page 38

    Re p ai r in fo rm atio n 4-3 7 5056- XXX Powe r s witch remo val 1. Remov e the uppe r cass ette, l eft f ront cover , p aper f eed cov er, and left s ide c over . 2. Unloc k the power switch, and pul l out the po wer swi tch. 3. Remov e each te rminal connect ed to the power swit ch. No te : When connec ting, be car eful to connect the connector [...]

  • Page 39

    4-38 Service Manual 5056- XXX Pri nthead co nt roller boa rd remo val 1. Remov e the t op cover , and then remove the 20 printh ead contro ller bo ard co nnectors. 2. Remov e the si x scr ews from the prin thead cont rol l er board and rem ove th e b oard. No te : When repl ac ing the board, be su re to retu rn the f our EEPRO Ms on t he for m er b[...]

  • Page 40

    Re p ai r in fo rm atio n 4-3 9 5056- XXX Left slide rail r emoval 1. Remov e the uppe r cassette. 2. Remov e the scr ew from both lef t and right slide rai ls. RIP bo x re mov al 1. Remov e the si x scr ews from the RIP box. 2. Sli ghtly l i ft an d remove the RIP box.[...]

  • Page 41

    4-40 Service Manual 5056- XXX Se nsor boar d rem oval 1. Remov e the t rans fer belt unit. 2. Remov e the f our con nector s. 3. Remov e the t hree sc r ews f r om t he waste toner f ull s ensor b oar d. Stay arm removal 1. Open the to p unit, and r emove t he face do wn paper guide assembl y . 2. Remov e the yel l ow a nd bla ck sub frame. 3. Remo[...]

  • Page 42

    Re p ai r in fo rm atio n 4-4 1 5056- XXX Sub-f rame rem oval Import ant : Read the e ntire pr ocedure be fore removal. 1. Open the top unit, and r emove the RIP cover , RIP board, RIP box, ele ctronic b ox, print er controll er , pr i nter contr oller bracket, and HVPS board. 2. Remov e the cab le ties. 3. Remov e the 12 scr ews from the sub fr am[...]

  • Page 43

    4-42 Service Manual 5056- XXX Sub frame F1 , sub frame F 2 removal 1. Open the to p unit. 2. Remov e the t wo scre w s fro m the sub fr ames F1 and F2. No te : Spre ad a p aper or c loth ove r the belt t o pr ot ect the bel t. Set the su b frame F to t he pos ition o f the fol lowing co lors, d epending on t he pre sence of the upp er detect ion bu[...]

  • Page 44

    Re p ai r in fo rm atio n 4-4 3 5056- XXX Top u nit remo va l 1. Open the to p unit, and r emove t he top cover and face- down guide assem bly . 2. Remov e the scr ews, and remove the t op unit. Transf er belt rem o v al T ransfe r belt removal has been sim plified wi th a redesign of the ch anging shaf t li nkage t o the bel t up / down clut ch. T[...]

  • Page 45

    4-44 Service Manual 5056- XXX 3. Loosen t he thumbscr ews as shown. 4. Lif t and remove the tra nsfer belt co ver .[...]

  • Page 46

    Re p ai r in fo rm atio n 4-4 5 5056- XXX 5. Loosen t he thumbscr ews as shown. 6. Press down on the transfer belt release l ever as shown .[...]

  • Page 47

    4-46 Service Manual 5056- XXX 7. Pull the t ransfer bel t out . 8. Afte r r ep lacing the t rans fer belt and re mo vi ng the f our shipp ing s pacer s, tight en the t ransfer bel t thumbsc rews, and re in stall the tran sfer belt cov er . 9. Close the top un it, rotate th e lock ing lever to the ri ght , and close the front cover . 10. Turn the pr[...]

  • Page 48

    Re p ai r in fo rm atio n 4-4 7 5056- XXX Tur n g u ide cover sensor remo val 1. Remov e the l eft rear , rear , and right cove rs. 2. Remove the pr int cont roller card and the HVPS. 3. Disco nnect the sensor cabl e from CN10 on t he CK1 da ughter card boar d. 4. Remov e two scr ews from the turn gui de se nsor assembl y , and rem ove t he s enso [...]

  • Page 49

    4-48 Service Manual 5056- XXX 3. Remov e the t w o s crews fro m t he left fan, an d remove the fan. 4. Remov e the t w o s cr ews f rom t he right fan, a nd remov e the f an.[...]

  • Page 50

    Re p ai r in fo rm atio n 4-4 9 5056- XXX Exp ansio n fe eder remo val s Turn gu ide do or remo val 1. Open the tu rn gui de door . 2. Pull the door hinge from the right turn guide bushi ng. 3. Pull the t urn guide door cl ear of the exp ansion fe eder . Expa ns ion f e ede r co ntro ller boar d r e mova l 1. Remov e six sc rews fro m t he expan si[...]

  • Page 51

    4-50 Service Manual 5056- XXX Ste ppe r mot or re moval 1. Remov e the exp ansion feeder r ear c over . 2. Disco nnect the stepp er motor power cabl e fr om t he expan sion feed er con troller boar d. 3. Remov e thr ee screws from the st epper motor assem bl y (A). 4. Remov e the st epper motor assem bl y from the expansi on feeder . A[...]

  • Page 52

    Re p ai r in fo rm atio n 4-5 1 5056- XXX Pap er f eed assemb ly removal 1. Remov e the re ar cov er . 2. Remov e the cas sette. 3. Remov e the st epper motor assem bl y . 4. Disco nnect the cable s fr om co nnectors CN1 1, CN13, CN18 on the expan sion feeder con troller boar d. 5. Remov e the scr ews (A) holdi ng the pap er feed gear assem bl y . [...]

  • Page 53

    4-52 Service Manual 5056- XXX Pape r tr ay l ift mo t or re moval 1. Remov e the re ar cov er . 2. Remov e the cas sette. 3. Disco nnect the ca bl e f rom the p aper t ray li ft mo t or . 4. Remov e thr ee black screws fr om the pap er tray lift motor ( A). 5. Remov e the pape r tray lift mot or . Exp ansion feed er turn gu ide door sen s or assemb[...]

  • Page 54

    Re p ai r in fo rm atio n 4-5 3 5056- XXX Du plex re movals Du plex unit s epar ati on rem oval 1. Remov e the t humbscrews, C-cl ips, and scr ews as shown from both side s. 2. Remov e the con nectors, and se parate the dupl ex frame from the dupl ex uni t .[...]

  • Page 55

    4-54 Service Manual 5056- XXX Duplex unit rem oval 1. Remov e the f our sc rews from the int erf ac e bo ard, and remo ve the boa rd. 2. Remov e the t w o scre w s fro m t he dupl ex connect or , and remove the con nector . Du plex timing be lt rem oval 1. Remov e the t hree C- cl ips from the three ti ming gears, and r em ove t he ti ming belts. 2[...]

  • Page 56

    Re p ai r in fo rm atio n 4-5 5 5056- XXX Duplex pressure r oller an d so lenoid remo val Remov e the t w o s crews s ecuring t he pr essure ro ller s olenoid a ssembly . Duplex feed rolle r an d s olenoid removal 1. Remov e the t w o s crews s ecuring t he feed roll s olenoi d assembl y . 2. Remov e the pr essure roller and s pr ings . 3. Remov e [...]

  • Page 57

    4-56 Service Manual 5056- XXX Duplex side fen ce motor ass embly/si de fence r em o val 1. Remov e the t hree sc rews, and remove the s i de f ence mot or assem bly . 2. Remov e the f ront and rear side fen ces. No te : When i nstall ing, spr ead t he front and r ear sid e fenc es to t he sid es, and i nstall .[...]

  • Page 58

    Re p ai r in fo rm atio n 4-5 7 5056- XXX Duplex paper car rying mo tor removal 1. Remov e the gear cover . 2. Remov e the scr ews f rom the duplex paper c arrying motor , and r emove t he motor .[...]

  • Page 59

    4-58 Service Manual 5056- XXX Hi gh-c apac ity feed er (H CF) r emov als HC F cov ers rem oval 1. Remov e the t w o scre w s fro m t he dri ve cov er , and remov e the co ver . 2. Remov e the f ront cover . 3. Remov e the t w o s crews fro m t he right cover , and remove the c over . 4. Remov e the t op cover . 5. Remov e the re ar cov er . 6. Remo[...]

  • Page 60

    Re p ai r in fo rm atio n 4-5 9 5056- XXX HCF call roller, paper feed roller, rever se roller r emoval 1. Open the to p cover on the tray . 2. Remov e the t w o scre w s fro m t he tr ansfer cover , and r em ove the c over . 3. Remov e the re taining rings o n the ro llers, and remove t he r ol lers. HCF pick u p so le noid removal 1. Remov e the f[...]

  • Page 61

    4-60 Service Manual 5056- XXX HCF paper end sen sor rem oval HCF paper size s en sors (1, 2) removal 1. Cover the pap er level sen sor with your han d, and press the down butt on. The t ray moves down . Lower th e tra y until the down sen sor turn s on. 2. Remov e the f ront cover and transf er cover . 3. Remov e the t w o scre w s on the fr ont a [...]

  • Page 62

    Re p ai r in fo rm atio n 4-6 1 5056- XXX 8. Remov e the t op cover switche s. HCF t ray mo tor r emo val 1. Remov e the re ar cover and the drive co ver . 2. Remov e the t w o s crews of the t r ay mot or , and remove the mot or . Top Cover Switch 1 Blue White Green Yellow Black Blue Top Cover Switch 2[...]

  • Page 63

    4-62 Service Manual 5056- XXX HCF paper level sensor re m o val 1. Remov e the f our screws from th e tra nsfer cover , and remove the cov er . 2. Remov e the t w o s crews fro m t he senso r, and remove t he cov er . 3. Remov e the con nector and screw f rom paper level sensor , and rem ove th e s ensor . HCF power supply removal 1. Move the pape [...]

  • Page 64

    Re p ai r in fo rm atio n 4-6 3 5056- XXX F ini sh er r emo val s No te : Check fin isher alignm ent whe n mov in g or ser vicing the f ini sh er . After movi ng or servici ng t he finisher , pri nt some test pages to the fi ni sher to ens ure t he ver tical and hor izontal al ig nment is correc t. I f t he fi ni sher is not pro perly aligned, refe[...]

  • Page 65

    4-64 Service Manual 5056- XXX 4. Remov e the t w o scre w s fro m t he top co ver , and remove the co ver . Finis her control board r em o val 1. Remov e the ext ernal c overs. 2. Disco nnect all of the asso ciated co nnect ors. 3. Remov e the f our f inisher con trol board mount ing screws, and remove t he board.[...]

  • Page 66

    Re p ai r in fo rm atio n 4-6 5 5056- XXX Ele vato r moto r r emo val 1. Disco nnect the eleva tor motor connec tor . 2. Remov e the t w o el evator m otor b racket screws f rom t he bracket . 3. Remov e the el evator m otor as sembly . Feed motor as sembly rem oval 1. Remov e the f inisher cont r ol board mountin g b rac ket. 2. Loosen t he tensio[...]

  • Page 67

    4-66 Service Manual 5056- XXX Ho le p unch r emova l 1. Remov e the ext ernal c overs. 2. Remov e the hol e punc h un it cables. 3. Remov e the t ensi on spring. 4. Remov e the scr ew and E-ring from the te nsion bracket , and remove the brac ket. No te : When i nstall ing the tension bracket , us e the l eft si de scr ew hole f or the three hole p[...]

  • Page 68

    Re p ai r in fo rm atio n 4-6 7 5056- XXX Inver ter paper exit d ischarge bru sh remova l 1. Remov e the ext ernal c overs. 2. Remov e the f ini sh er contr ol boa rd. 3. Remov e the uppe r l e ft p anel. 4. Remov e the t w o di scharge b rush s crews, and remove the b rush. Inv erte r pap er e xit ro ll er remo va l 1. Remov e the f ront and rear [...]

  • Page 69

    4-68 Service Manual 5056- XXX 5. Remov e the i nver ter idle gea r . 6. Remov e the i nver ter drive gea r and bus hing. 7. Remov e the i nver ter paper exi t r o ller . Jo gging uni t rem ova l 1. Remov e the dus t box. 2. Remov e the t wo scre w s , and r emove the cover . 3. Disco nnect the joggi ng m ot or connector . 4. Disco nnect the joggi n[...]

  • Page 70

    Re p ai r in fo rm atio n 4-6 9 5056- XXX Path select g ate remo val 1. Remov e the ext ernal c overs. 2. Remov e the t w o scre w s fro m t he top co ver , and remove the co ver . 3. Remov e the gat e sol enoid with mount ing bracket . 4. Remov e the st raight paper exit sensor co nnector . 5. Remov e the uppe r guide plate for t he str aight pape[...]

  • Page 71

    4-70 Service Manual 5056- XXX Pat tin g ro ll er rem ova l 1. Remov e the f ront and rear cove rs. 2. Remov e the f inisher cont r ol board mountin g b rac ket. 3. Remov e the t wo scre w s fro m the upper lef t panel, and remov e the pan el. 4. Disco nnect the se nsor connec tor . 5. Remov e the sen sor har ness from the harness clamp. 6. Remov e [...]

  • Page 72

    Re p ai r in fo rm atio n 4-7 1 5056- XXX 8. Remov e the t ensi on springs. Use the uppe r hole when install ing the spri ng. 9. Remov e the gear and bush ing. 10. Remove the patting roller . Patting Roller[...]

  • Page 73

    4-72 Service Manual 5056- XXX Powe r s upply remova l 1. Unplug the power c ord f rom the printer . 2. Remov e the ext ernal c overs. 3. Remov e the l ower l ef t panel. 4. Remov e the cab le connector f or t he lef t panel. 5. Remov e the f our l ower guide suppor t plate screws , and r em ove th e plat e. 6. Remov e the t w o po wer supp ly screw[...]

  • Page 74

    Re p ai r in fo rm atio n 4-7 3 5056- XXX Reg ist rat ion ro lle r re mova l 1. Remov e the hol e punc h un it. 2. Remov e the re gistrat ion rol ler cl utch. 3. Remov e the re gistrat i on r oller bushing. 4. Remov e the re gistrat i on r oller . Regist ration roller clutch re moval 1. Remov e the har ness from the cla m p . 2. Remov e the t hree [...]

  • Page 75

    4-74 Service Manual 5056- XXX Stac k area disch arge brush removal 1. Remov e the dus t box. 2. Remov e the st ack area discha rge brushe s. Staple u nit remo val 1. Remov e the st aple unit conn ector . 2. Pull outwar d on the staple cov er , and remove the st apl e unit.[...]

  • Page 76

    Re p ai r in fo rm atio n 4-7 5 5056- XXX Str a ig ht pa p er ex it dis c ha r ge br ush re mo val 1. Remov e the ext ernal c overs. 2. Remov e the t w o scre w s fro m t he top co ver , and remove the co ver . 3. Remov e the t w o l ever screws, a nd remove the lever . 4. Remov e the t w o di scharge b rush s crews, and remove the b rush. Str a ig[...]

  • Page 77

    4-76 Service Manual 5056- XXX 6. Remov e the re ar st raight paper exi t roller E-ring and bus hing. 7. Remov e the st raight paper exi t roller .[...]

  • Page 78

    Re p ai r in fo rm atio n 4-7 7 5056- XXX Timin g belts 1 a nd 2 removal 1. Remov e the f inisher cont r ol board mountin g b rac ket. 2. Remov e the f eed mo tor m ou nti ng br acket. 3. Remov e the t ension bracket m o unting screw . 4. Remov e the t ensi on spring. 5. Remov e the t imi ng belt 1. 6. Loosen the tension b racket mounting screw for[...]

  • Page 79

    4-78 Service Manual 5056- XXX Tra ctor bel t re mo val 1. Remov e the ext ernal c overs. 2. Remov e the l ower l ef t panel. 3. Remov e the cab le connector of the l ef t panel. 4. Remov e the bel t mot or uni t. 5. Remov e the f our lower guide suppor t pl at e sc rews for the i nver t paper exit. 6. Remov e the t ension spring f rom t he shaft. 7[...]

  • Page 80

    Re p ai r in fo rm atio n 4-7 9 5056- XXX 8. Remov e the t ractor b elts. Note: I ns tall the belt so that the bel t tooth jus t under the plasti c hook al igns with th e hook on the other b elt. Trac tor driv e motor a ssembly rem oval 1. Remov e the out er co vers. 2. Remov e the dr ive b el t. 3. Remov e the t hree screws, and di sco nnect the c[...]