1 Maumbirwo emukati meprinta yelaser
Maumbirwo emukati meprinta yelaser ane zvikamu zvikuru zvina, sezvakaratidzwa paMufananidzo 2-13.
Mufananidzo 2-13 Maumbirwo emukati meprinta yelaser
(1) Chigadziko cheLaser: chinoburitsa danda relaser rine ruzivo rwemashoko kuti chibudise pachena dhiramu rinonzwa chiedza.
(2) Chigadziko Chekudya Mapepa: dzora pepa kuti ripinde muprinta panguva yakakodzera wobva wabuda muprinta.
(3) Chigadziko Chekugadzira: Fukidza chikamu chakavhurika chedhiramu rinonzwa chiedza netoner kuti ugadzire mufananidzo unogona kuonekwa neziso rega rega, wobva wauendesa pamusoro pepepa.
(4) Chigadziko Chekugadzirisa: Toner inofukidza pamusoro pepepa inonyungudutswa uye inonamirwa zvakasimba papepa uchishandisa kudzvanywa uye kudziyisa.
2 Nheyo yekushanda kweprinta yelaser
Printer yelaser mudziyo unoburitsa zvinhu zvinosanganisa tekinoroji yelaser scanning ne electronic imaging technology. Printer dzelaser dzine mabasa akasiyana nekuda kwemamodheru akasiyana, asi kutevedzana kwebasa nepfungwa zvakafanana.
Tichitora maprinta eHP laser akajairwa semuenzaniso, kurongeka kwebasa ndekwekuti kunotevera.
(1) Kana mushandisi akatumira murairo wekudhinda kuprinta kuburikidza necomputer operating system, ruzivo rwemifananidzo runofanira kudhindwa runotanga rwashandurwa kuita ruzivo rwebinary kuburikidza neprinta driver, uye pakupedzisira rwunotumirwa kubhodhi guru rekudzora.
(2) Bhodhi guru rekudzora rinogamuchira uye rinodudzira ruzivo rwechipiri rwunotumirwa nemutyairi, rorugadzirisa kudanda relaser, uye rodzora chikamu chelaser kuti chibudise chiedza zvichienderana neruzivo urwu. Panguva imwe chete, pamusoro pedhiramu rinonzwa chiedza rinochajwa nemudziyo wekuchaja. Zvadaro danda relaser rine ruzivo rwemifananidzo rinogadzirwa nechikamu chekuskena chelaser kuti chibudise chiedza kudanda rinonzwa chiedza. Mufananidzo we electrostatic latent unoumbwa pamusoro pedhiramu re toner mushure mekuratidzwa.
(3) Kana katuriji yetoner yasangana nesystem iri kukura, mufananidzo wakavanzika unotanga kuonekwa. Painopfuura nesystem yekutamisa, toner inotamisirwa papepa pasi pesimba remagetsi remudziyo wekutamisa.
(4) Mushure mekunge kutamiswa kwapera, bepa rinobata jira rinobvisa magetsi, uye rinoburitsa simba riri pabepa pasi. Pakupedzisira, rinopinda musystem yekugadzirisa tembiricha yepamusoro, uye mifananidzo nemagwaro zvakagadzirwa netoner zvinobatanidzwa mubepa.
(5) Mushure mekunge ruzivo rwemifananidzo rwadhindwa, mudziyo wekuchenesa unobvisa toner isina kutamiswa, wopinda muchikamu chinotevera chekushanda.
Maitiro ese ari pamusoro apa anofanirwa kupfuura nematanho manomwe: kuchaja, kusvibisa, kugadzira, kutamisa, kubvisa magetsi, kugadzirisa, uye kuchenesa.
1>. Kuchaja
Kuti dhiramu rinonzwa chiedza rikwanise kunwisa toner zvichienderana neruzivo rwemifananidzo, dhiramu rinonzwa chiedza rinofanira kutanga rachajwa.
Pari zvino kune nzira mbiri dzekuchaja maprinta dziri pamusika, imwe ndeyekuchaja corona uye imwe ndeyekuchaja roller, dzese dzine hunhu hwadzo.
Kuchaja kweCorona inzira yekuchaja isina kunanga inoshandisa substrate inofambisa simba yedhiramu rinonzwa chiedza seelectrode, uye waya yesimbi yakatetepa kwazvo inoiswa pedyo nedhiramu rinonzwa chiedza seimwe electrode. Pakukopa kana kudhinda, voltage yakakwira kwazvo inoiswa pawaya, uye nzvimbo yakatenderedza waya inoumba simba remagetsi rakasimba. Pasi pesimba remagetsi, maion ane polarity yakafanana newaya yecorona anoyerera achienda pamusoro pedhiramu rinonzwa chiedza. Sezvo photoreceptor iri pamusoro pedhiramu rinonzwa chiedza ichiramba yakasimba murima, chaji haizoyerera, saka simba repamusoro redhiramu rinonzwa chiedza richaramba richikwira. Kana simba rikakwira kusvika padanho repamusoro rekugamuchira, maitiro ekuchaja anopera. Dambudziko renzira iyi yekuchaja nderekuti zviri nyore kugadzira mwaranzi neozone.
Kuchaja roller yekuchaja inzira yekuchaja yekubata, iyo isingade voltage yakakwira yekuchaja uye ine hushamwari kune zvakatipoteredza. Saka, maprinta mazhinji elaser anoshandisa machaja anochaja.
Ngatitorei kuchaja kweroller yekuchaja semuenzaniso kuti tinzwisise mashandiro ese eprinta yelaser.
Chekutanga, chikamu chemagetsi ane simba guru chinoburitsa magetsi akawanda, ayo anochaja pamusoro pedhiramu rinonzwa chiedza nemagetsi akafanana neaya kuburikidza nechikamu chekuchaja. Mushure mekunge dhiramu rinonzwa chiedza neroller yekuchaja zvatenderera zvakafanana kwedenderedzwa rimwe chete, pamusoro pedhiramu rinonzwa chiedza rinochaja nechaja yakafanana neaya, sezvakaratidzwa muMufananidzo 2-14.
Mufananidzo 2-14 Dhayagiramu yehurongwa hwekuchaja
2>. kuratidzwa
Kuonekwa kwechinhu ichi kunoitwa padyo nedhiramu rinonzwa chiedza, iro rinoonekwa nechiedza chelaser. Pamusoro pedhiramu rinonzwa chiedza idanho rinonzwa chiedza, danho rinonzwa chiedza rinofukidza pamusoro pedhiramu rinonzwa chiedza chearuminiyamu, uye dhiramu rinonzwa chiedza chearuminiyamu rakamiswa pasi.
Chigadziko chinonzwa chiedza chiri chinhu chinonzwa chiedza, chinoratidzwa nekugona kufambisa chiedza kana chaiswa pachiedza, uye kudzivirira kupisa usati waiswa. Chisati chaiswa chiedza, chaji yakafanana inochajwa nemudziyo wekuchaja, uye nzvimbo inovhenekerwa nemwaranzi mushure mekuvhenekerwa nemwaranzi yelaser inokurumidza kuva kondakita uye inofambisa nekondakita yealuminium alloy, saka chaji inoburitswa pasi kuti igadzire nzvimbo yechinyorwa pabepa rekudhinda. Nzvimbo isina kuvhenekerwa nemwaranzi yelaser ichiri kuchengetedza chaji yekutanga, ichigadzira nzvimbo isina chinhu pabepa rekudhinda. Sezvo mufananidzo uyu wemunhu usingaonekwe, unonzi mufananidzo we electrostatic latent.
Muchina wekuongorora une synchronous signal sensor wakaiswawo. Basa remuchina uyu nderekuona kuti daro rekuskena rakafanana kuitira kuti danda re laser rinovhenekerwa pamusoro pedhiramu rinonzwa chiedza rigone kuwana mhedzisiro yakanaka yemifananidzo.
Rambi relaser rinoburitsa dara relaser rine ruzivo rwehunhu, rinopenya paprism inotenderera ine mativi akawanda, uye prism inopenya inoratidza dara relaser pamusoro pedhiramu rinonzwa chiedza kuburikidza neboka relenzi, nokudaro ichiskena dhiramu rinonzwa chiedza rakatwasuka. Mota huru inotyaira dhiramu rinonzwa chiedza kuti ritenderere nguva dzose kuti rionekwe rakatwasuka redhiramu rinonzwa chiedza nerambi rinoburitsa chiedza relaser. Nheyo yekuratidzwa inoratidzwa muMufananidzo 2-15.
Mufananidzo 2-15 Dhayagiramu yemufananidzo wekuratidzwa kwechinhu
3>. budiriro
Kubudirira inzira yekushandisa musimboti wekudzinga vanhurume kana vanhukadzi uye kukwezva vanhukadzi kana vanhukadzi vega vega kwemagetsi kuti mufananidzo wemagetsi wakavanzika usaonekwe nemaziso ese kuita mifananidzo inoonekwa. Pane mudziyo wemagineti uri pakati pegineti roller (inonziwo developing magnetic roller, kana kuti magnetic roller muchidimbu), uye toner iri mubhuni reupfu ine zvinhu zvemagineti zvinogona kutorwa negineti, saka toner inofanira kukwezvwa negineti iri pakati pegineti roller iri kukura.
Kana dhiramu rinonzwa chiedza richitenderera panzvimbo yaro parinosangana neroller yemagineti iri kukura, chikamu chepamusoro chedhiramu rinonzwa chiedza chisina kupiswa nelaser chine polarity yakafanana netoner, uye hachizonyungudi toner; nepo chikamu chinopiswa nelaser chine polarity yakafanana netoner. Kusiyana neizvi, zvichienderana nepfungwa yekudzinga vanhurume kana varume kana vakadzi uye kukwezva vanhurume kana vakadzi, toner inonyungudika pamusoro pedhiramu rinonzwa chiedza apo laser inonyungudika, uye mifananidzo yetoner inoonekwa inoumbwa pamusoro, sezvakaratidzwa muMufananidzo 2-16.
Mufananidzo 2-16 Dhayagiramu yenheyo yekukura
4>. kudhinda kwekutamisa
Kana toner ikaendeswa pedyo nepepa rekudhinda nedhiramu rinonzwa chiedza, pane mudziyo wekutamisa kumashure kwepepa kuti uise simba rekudzvanya rakakwirira kumashure kwepepa. Nekuti simba remuchina wekutamisa rakakwirira kupfuura simba renzvimbo yekubuda kwedhiramu rinonzwa chiedza, mifananidzo, uye zvakanyorwa zvakagadzirwa netoner zvinoendeswa kupepa rekudhinda pasi pesimba remagetsi remuchina wekuchaja, sezvakaratidzwa muMufananidzo 2-17. Mifananidzo nemagwaro zvinoonekwa pamusoro pepepa rekudhinda, sezvakaratidzwa muMufananidzo 2-18.
Mufananidzo 2-17 Dhayagiramu yedhirowa yekudhindisa kwekutamisa (1)
Mufananidzo 2-18 Dhayagiramu yemufananidzo yekudhindwa kwekutamiswa (2)
5>. Paradza magetsi
Kana mufananidzo wetoner ukaendeswa kune bepa rekudhinda, toner inongovhara pamusoro pebepa chete, uye chimiro chemufananidzo chakagadzirwa netoner chinoparadzwa zviri nyore panguva yekutumira bepa rekudhinda. Kuti uve nechokwadi chekuti mufananidzo wetoner wakasimba usati wagadziriswa, mushure mekutamiswa, uchapfuura nemuchina unobvisa static. Basa rawo nderekubvisa polarity, kudzima zvese zvinobhadhariswa uye kuita kuti bepa rirege kupindira kuitira kuti bepa rikwanise kupinda muyuniti yekugadzirisa zvakanaka uye kuve nechokwadi chekuti kudhindwa kwezvinobuda. Hunhu hwechigadzirwa, hunoratidzwa muMufananidzo 2-19.
Mufananidzo 2-19 Dhayagiramu yekubvisa simba
6>. kugadzirisa
Kupisa nekugadzirisa inzira yekuisa simba nekupisa kumufananidzo we toner wakanyungudutswa papepa rekudhinda kuti toner inyungudike uye iinyike mupepa rekudhinda kuti igadzire mufananidzo wakasimba pamusoro pepepa.
Chinhu chikuru chetoner iresin, nzvimbo yekunyunguduka yetoner inenge 100°C, uye tembiricha yeheating roller yefixing unit inenge 180°C.
Munguva yekudhinda, kana tembiricha yefuser yasvika patembiricha yakatarwa inosvika 180°C kana bepa rinotora toner richipfuura nemukana uri pakati peheating roller (inozivikanwawo se upper roller) nepressure rabber roller (inozivikanwawo se pressure lower roller, the lower roller), maitiro ekubatanidza anozopedzwa. Tembiricha yepamusoro inogadzirwa inodziya toner, iyo inonyungudutsa toner iri pabepa, nokudaro ichigadzira mufananidzo wakasimba nerugwaro, sezvakaratidzwa muMufananidzo 2-20.
Mufananidzo 2-20 Dhayagiramu huru yekugadzirisa
Nekuti pamusoro pechinodziya chakaputirwa nejira risingaremi kunamira patoner, toner haizonamire pamusoro pechinodziya nekuda kwekupisa kwakanyanya. Mushure mekugadzirisa, bepa rekudhinda rinoparadzaniswa nechinodziya neruoko rwekuparadzanisa uye rinotumirwa kubva muprinta kuburikidza nepapepa rekudyisa.
Maitiro ekuchenesa ndeekukwesha toner iri padhiramu rinonzwa chiedza iro risati rabviswa pamusoro pepepa kuenda kubhini retoner.
Munguva yekufambisa, mufananidzo we toner uri padhiramu rinonzwa chiedza haugone kuendeswa zvizere papepa. Kana usina kucheneswa, toner inosara pamusoro pedhiramu rinonzwa chiedza ichaendeswa kudhiramu rinotevera rekudhinda, zvichiparadza mufananidzo mutsva, nokudaro zvichikanganisa kunaka kwekudhinda.
Kuchenesa kunoitwa nerabha yekukwenya, iyo basa rayo nderekuchenesa dhiramu rinonzwa chiedza risati ratanga kudhindwa kwedhiramu rinonzwa chiedza. Nekuti banga rerabha rekukwenya harina kupfeka uye rinochinjika, banga rinogadzira kona yakachekwa nepamusoro pedhiramu rinonzwa chiedza. Kana dhiramu rinonzwa chiedza richitenderera, toner iri pamusoro inokwenywa mubhini retoner remarara nedhiramu rekukwenya, sezvakaratidzwa muMufananidzo 2-21.
Mufananidzo 2-21 Dhayagiramu yemufananidzo wekucheneswa
Nguva yekutumira: Kukadzi-20-2023