1 Isakhiwo sangaphakathi sephrinta ye-laser
Isakhiwo sangaphakathi sephrinta ye-laser siqukethe izingxenye ezine ezinkulu, njengoba kukhonjisiwe kuMfanekiso 2-13.
Umdwebo 2-13 Isakhiwo Sangaphakathi sephrinta ye-Laser
(1) Iyunithi laseLaser: Ikhipha ugongolo lwe-laser ngemininingwane yombhalo ukuveza isigubhu esizwakalayo.
(2) Iyunithi Yokudla Kwamaphepha: Lawula iphepha ukufaka iphrinta ngesikhathi esifanele futhi uphume kwiphrinta.
.
(4) Iyunithi yokulungisa: I-toner emboza ingaphezulu kwephepha incibilikile futhi igxile ngokuqinile ephepheni ngisebenzisa ingcindezi nokushisa.
2 Umgomo Wokusebenza wephrinta ye-Laser
Iphrinta ye-Laser iyithuluzi lokukhipha elihlanganisa ubuchwepheshe be-laser Scanning nobuchwepheshe bokufanekisa nge-elekthronikhi. Abaphrinti be-Laser banemisebenzi ehlukile ngenxa yamamodeli ahlukile, kepha ukulandelana okusebenzayo kanye nesimiso kuyafana.
Ukuthatha amaphrinta ajwayelekile we-HP Laser njengesibonelo, ukulandelana okusebenzayo kungokulandelayo.
.
. Ngasikhathi sinye, ingaphezulu le-PhotoShinative Drum likhokhiswa yidivayisi yokushaja. Ngemuva kwalokho ugongolo lwe-laser olunemininingwane ye-graphic lukhiqizwa yingxenye ye-laser scanning ukuveza isigubhu esizwakalayo. Kwakhiwa isithombe se-electrostatic latent ebusweni be-toner Drum ngemuva kokuvezwa.
(3) Ngemuva kokuthi i-toner cartridge ixhumana nohlelo oluthuthukayo, isithombe se-latent siba ihluzo ezibonakalayo. Lapho udlula ohlelweni lokudlulisa, i-toner idluliselwa ephepheni ngaphansi kwesenzo sensimu kagesi yedivayisi yokudlulisa.
(4) Ngemuva kokuthi ukudluliselwa sekuphothuliwe, iphepha lixhumana nogesi - lihlasela i-sawtooth, futhi likhipha inkokhiso ephepheni phansi. Ekugcineni, ingena ohlelweni lokulinganisa lokushisa oluphezulu, kanye nemibhalo nombhalo owakhiwa yi-toner kuhlanganiswe ephepheni.
(5) Ngemuva kokuthi imininingwane ye-Graphic iphrintiwe, idivaysi yokuhlanza isusa i-toner ye-untransfert, futhi ingena kumjikelezo olandelayo wokusebenza.
Zonke izinqubo ezisebenzayo ezingenhla zidinga ukuhamba ngezinyathelo eziyisikhombisa: Ukushaja, ukuvezwa, ukuthuthukiswa, ukudlulisa, ukuqedwa kwamandla, ukulungisa, ukulungiswa nokuhlanza.
1>. Khokhisa
Ukwenza isigubhu sezithombe ezithinta isithombe sokwenza ithoni ngokuya ngemininingwane ye-graphic, umgqomo wezithombe kufanele ukhokhiswe kuqala.
Njengamanje izindlela ezimbili zokushaja zabaphrinta emakethe, enye ishaja iCorona kanti enye ishaja ukushaja kwe-roller, zombili ezinezimpawu zazo.
Ukushaja kweCorona kuyindlela yokushaja engaqondile esebenzisa i-substrate esebenzayo yesigubhu esizwakalayo njenge-electrode, bese kufakwa ucingo lwensimbi oluncane eduze kwesigubhu esizwakalayo njengenye i-electrode. Lapho ukopisha noma ukuphrinta, kufakwa amagesi aphezulu kakhulu ku-wire, futhi isikhala esizungeze ucingo sakha insimu kagesi eqinile. Ngaphansi kwesenzo sensimu kagesi, i-ion enenhlangano efanayo ne-corona wire igeleza ebusweni besigubhu esizwakalayo. Njengoba i-Photoreceptor ebusweni be-PhotoShinative Drum inokumelana okuphezulu ebumnyameni, icala ngeke liphume, ngakho-ke amandla angaphezulu esigubhu azoqhubeka akhuphuke. Lapho kungenzeka ukuthi kungenzeka kukhuphuke kakhulu ekwamukelweni, inqubo yokushaja iyaphela. Ukungathandeki kwale ndlela yokushaja ukuthi kulula ukukhiqiza imisebe kanye ne-ozone.
Ukushaja kwe-Charging Roller kuyindlela yokushaja yokuxhumana, engadingi i-voltage ephezulu yokushaja futhi inobungani bemvelo. Ngakho-ke, iningi labaphrinta ama-laser basebenzisa ukushaja ama-roller ukukhokhisa.
Ake sithathe ukushaja kwe-roller yokushaja njengesibonelo sokuqonda yonke inqubo yokuphrinta ye-laser.
Okokuqala, ingxenye yesifunda esiphakeme ikhiqiza i-voltage ephezulu, ekhokhisa ingaphezulu lesigubhu esinezithombe ezinomfaniswano kagesi ongemuhle ngengxenye yokushaja. Ngemuva kwesigubhu esizwakalayo kanye ne-roller roller ezungeza ngokuvumelanisa nomjikelezo owodwa, wonke umjikelezo we-photosensitive drum ukhokhiswa ngecala elibi elifanayo, njengoba kukhonjisiwe kuMfanekiso 2-14.
Umdwebo 2-14 Umdwebo we-Schematic wokushaja
2>. ukuchayeka
Ukuvezwa kwenziwa ezungeze isigubhu esizwakalayo, esivezwa ngogongolo lwe-laser. Ingaphezulu le-PhotoShinative Drum yisendlalelo sezithombe, ungqimba lwezithombe ezimboza umqhubi we-aluminium alloy, futhi umqhubi we-aluminium alloy usekelo.
Isendlalelo se-Photosensitive siyinto ebonakalayo ezithinta izithombe, ezibonakala ngokuziphatha lapho zivezwa ukukhanya, futhi zifaka ukuvezwa. Ngaphambi kokuvezwa, inkokhiso yenhlangano yomfaniswano ikhokhiswa yithuluzi lokushaja, nendawo yokuxhumeka ngemuva kokuxhunywa yi-laser izoba ngumqhubi nokuziphatha nomqhubi we-aluminium, ngakho-ke imali ikhishwe emhlabathini ukuze kwakhiwe indawo yombhalo ephepheni lokuphrinta. Le ndawo ayisebenzi nge-laser isalokhu igcina imali yoqobo, yakha indawo engenalutho ephepheni lokuphrinta. Njengoba lesi sithombe sohlamvu singabonakali, sibizwa ngokuthi isithombe se-electrostatic latent.
Inzwa ye-Synchronous Signal nayo ifakiwe esikrinini. Umsebenzi wale sensor ukuqinisekisa ukuthi ibanga lokuthwebula alihambisani ukuze i-laser beam ishiyelwe ebusweni beDrum ye-PhotoShinative ingafinyelela umphumela omuhle kakhulu.
Isibani se-laser sikhipha ugongolo lwe-laser ngolwazi lomlingiswa, olukhanya ngokujikeleza okubonakalayo okubonakalayo okubonakalayo, futhi i-prism ebonakalayo ikhombisa ukuwohloka kwe-laser kuye ebusweni besigubhu se-lens, ngaleyo ndlela kuthwebula isigubhu sezithombe ngokuvundlile. Imoto eyinhloko ishayela isigubhu sezithombe ukuze ijikeleze ngokuqhubekayo ukuthola ukuskena okuthe mpo kwesigubhu esizwakalayo yi-laser ekhipha isibani. Isimiso sokuvezwa sikhonjiswa kuMfanekiso 2-15.
Umdwebo 2-15 Umdwebo we-Schematic wokuvezwa
3>. ukusombulukisa
Intuthuko iyinqubo yokusebenzisa umgomo wokuphindisela ocansini nobungqingili bokuheha ngokobulili ngezindleko zikagesi ukuguqula isithombe se-electrostatic esingabonakali ngamehlo abonakalelayo. Kukhona idivaysi kazibuthe enkabeni ye-poller ye-magnetic (ebizwa nangokuthi i-roller ye-magnetic emfushane), futhi i-toner emgqonyeni wamakhaza inezinto ezibucayi ezingadonswa yi-magnet enkabeni ye-roller ethuthukisiwe.
Lapho i-PhotoSShinative Drum ijikeleza esimweni lapho ukuxhumana khona ne-roller ye-magnetic ethuthukayo, ingxenye yobuso besigubhu esizwakalayo esingafakwanga i-laser ine-poner, futhi ngeke ithole i-toner; Ngenkathi ingxenye esetshenziselwa i-laser inenhlangano efanayo ne-toner ephambene nalokho, ngokwesimiso sokuchitha isikhathi esifanayo, bese kufakwa i-toner pople ebusweni, njengoba kukhonjisiwe kuMfanekiso 2-16.
Umdwebo 2-16 Ukuthuthukiswa Komgomo Umdwebo
4>. Dlulisa ukuphrinta
Lapho i-toner idluliselwa eduze kwephepha lokuphrinta elinesigubhu esinezithombe, kukhona ithuluzi lokudlulisa ngemuva kwephepha ukufaka ingcindezi yengcindezi ephezulu ngemuva kwephepha. Ngoba i-voltage yedivaysi yokudlulisa iphakeme kunendawo yokuvezwa kwesigubhu esivezwayo, ihluzo, nombhalo owakhiwa yi-toner kudluliswa ephepheni lokuphrinta ngaphansi kwensimu kagesi, njengoba kukhonjisiwe kuMfanekiso 2-17. Ihluzo nombhalo zivela ebusweni bephepha lokuphrinta, njengoba kukhonjisiwe kuMfanekiso 2-18.
Umdwebo 2-17 Schematic Umdwebo Wokuphrinta Ukudlulisela (1)
Umdwebo 2-18 Umdwebo we-Schematic wokuphrinta Ukuphrinta (2)
5>. Chitha ugesi
Lapho isithombe se-toner sidluliselwa ephepheni lokuphrinta, i-toner kuphela imboza ingaphezulu lephepha, futhi isakhiwo sesithombe esakhiwe yi-toner sibhujiswa kalula ngesikhathi sePheli lokuphrinta. Ukuqinisekisa ukuthembeka kwesithombe se-toner ngaphambi kokulungiswa, ngemuva kokudluliselwa, kuzodlula kudivayisi yokuqedwa kwe-static. Umsebenzi wayo ukuqeda ubumbano, hlangothi wonke amacala futhi wenze iphepha elingaphansi kokungathathi hlangothi ukuze iphepha lingenele iyunithi yokulungisa kahle futhi liqinisekise ukuphrinta ikhwalithi yomkhiqizo, kuboniswa kuMfanekiso 2-19.
Umdwebo 2-19 Umdwebo we-Schematic wokuqedwa kwamandla
6>. ukuhlela
Ukushisa nokulungisa inqubo yokufaka ingcindezi nokushisa esithombeni esithombeni se-poner ephepheni lokuphrinta ukuncibilikisa i-toner bese kulicwilisa ephepheni lokuphrinta ukuze kwakhiwe isithombe esiqinile ebusweni bephepha.
Ingxenye eyinhloko yeToner i-resin, indawo yokuncibilika ye-toner icishe ibe yi-100°C, futhi izinga lokushisa le-roller yokushisa leyunithi yokulungiswa kumayelana ne-180°C.
Ngesikhathi senqubo yokuphrinta, lapho izinga lokushisa leFuser lifinyelela izinga lokushisa elinqunyelwe ngaphambili labantu abangaba ngu-180°C Lapho iphepha libamba i-toner lidlula igebe phakathi kwe-roller yokushisa (eyaziwa nangokuthi i-upper roller) kanye nengcindezi ye-roller yengcindezi (eyaziwa nangokuthi i-roller ephansi yengcindezi, inqubo ephansi), inqubo ephansi izoqedwa. Amazinga okushisa aphezulu akhiqizwayo ashisa ithoni, encibilikisa i-toner ephepheni, ngaleyo ndlela akha isithombe nombhalo oqinile, njengoba kukhonjisiwe kuMfanekiso 2-20.
Umdwebo 2-20 Umdwebo Wemidwebo Yokulungiswa
Ngoba ingaphezulu le-roller yokushisa lihlanganiswe ne-coating akulula ukunamathela kwi-toner, ithoni ngeke linamathele ebusweni bomngcele wokushisa ngenxa yokushisa okuphezulu. Ngemuva kokulungiswa, iphepha lokuphrinta lihlukaniswe ne-roller yokushisa yi-cleaw yokwehlukaniswa futhi ithunyelwe ngaphandle kwephrinta nge-roller poly roller.
Inqubo yokuhlanza ukuklebhula i-toner kwisigubhu esizwakalayo esingadluliswanga kusuka ebusweni bephepha kuya emgqonyeni we-don ton.
Ngesikhathi senqubo yokudlulisa, isithombe se-toner esigungwini esibonakalayo asikwazi ukudluliselwa ngokuphelele ephepheni. Uma kungahlanzwa, ithoni esele ebusweni beDrum ye-PhotoShinative izothathwa kumjikelezo olandelayo wokuphrinta, ichithe isithombe esanda kukhiqizwa. , ngaleyo ndlela kuthinte ikhwalithi yokuphrinta.
Inqubo yokuhlanza yenziwa yiRubber Scraper, umsebenzi wawo ukuhlanza isigubhu esidabukisayo ngaphambi komjikelezo olandelayo wokuphrinta kwesigubhu sezithombe ezilandelayo. Ngoba ibala lokuhlanza irabha lokuhlanza liyavikeleka futhi liyavikeleka, i-blade yakha i-angle enqunywe ngaphezulu kwesigubhu esizwakalayo. Lapho i-PhotoSShinative Drum ijikeleza, i-toner ebusweni isondelwe emgqonyeni kadoti we-toner yi-scraper, njengoba kukhonjisiwe kuMfanekiso 2-21 kukhonjisiwe.
Umdwebo 2-21 Umdwebo we-Schematic wokuhlanza
Isikhathi sePosi: Feb-20-2023