1. Cov qauv sab hauv ntawm lub tshuab luam ntawv laser
Cov qauv sab hauv ntawm lub tshuab luam ntawv laser muaj plaub qhov tseem ceeb, raws li pom hauv Daim Duab 2-13.
Daim Duab 2-13 Cov qauv sab hauv ntawm lub tshuab luam ntawv laser
(1) Chav Laser: tso tawm lub teeb laser nrog cov ntaub ntawv ntawv kom pom lub nruas photosensitive.
(2) Chav Pub Ntawv: tswj daim ntawv kom nkag mus rau hauv lub tshuab luam ntawv thaum lub sijhawm tsim nyog thiab tawm hauv lub tshuab luam ntawv.
(3) Chav Tsim Khoom: Npog qhov chaw uas raug nthuav tawm ntawm lub nruas uas muaj teeb pom kev zoo nrog toner los tsim ib daim duab uas pom tau los ntawm lub qhov muag liab qab, thiab xa mus rau saum npoo ntawm daim ntawv.
(4) Chav Kho: Cov toner uas npog saum npoo ntawm daim ntawv yog yaj thiab khov kho rau ntawm daim ntawv siv lub siab thiab cua sov.
2. Lub hauv paus ntsiab lus ntawm lub tshuab luam ntawv laser
Lub tshuab luam ntawv laser yog ib lub cuab yeej tso zis uas muab cov thev naus laus zis laser scanning thiab cov thev naus laus zis electronic imaging. Cov tshuab luam ntawv laser muaj cov haujlwm sib txawv vim yog cov qauv sib txawv, tab sis cov txheej txheem ua haujlwm thiab cov hauv paus ntsiab lus zoo ib yam.
Piv txwv li, siv cov tshuab luam ntawv laser HP tus qauv, cov txheej txheem ua haujlwm yog raws li nram no.
(1) Thaum tus neeg siv xa cov lus txib luam ntawv mus rau lub tshuab luam ntawv los ntawm lub khoos phis tawj operating system, cov ntaub ntawv duab uas yuav tsum tau luam tawm thawj zaug hloov mus ua cov ntaub ntawv binary los ntawm tus tsav tsheb luam ntawv, thiab thaum kawg xa mus rau lub rooj tsav xwm tseem ceeb.
(2) Lub rooj tsavxwm tswj hwm tseem ceeb tau txais thiab txhais cov ntaub ntawv binary xa los ntawm tus tsav tsheb, kho nws rau lub teeb laser, thiab tswj lub laser kom tso tawm lub teeb raws li cov ntaub ntawv no. Tib lub sijhawm, qhov chaw ntawm lub nruas photosensitive raug them los ntawm lub cuab yeej them. Tom qab ntawd lub teeb laser nrog cov ntaub ntawv duab raug tsim los ntawm lub laser scanning qhov chaw kom pom lub nruas photosensitive. Ib daim duab electrostatic latent raug tsim rau ntawm qhov chaw ntawm lub nruas toner tom qab raug.
(3) Tom qab lub toner cartridge sib cuag nrog lub kaw lus tsim kho, daim duab latent dhau los ua cov duab pom. Thaum dhau los ntawm lub kaw lus hloov pauv, lub toner raug xa mus rau daim ntawv raws li qhov kev ua ntawm lub zog hluav taws xob ntawm lub cuab yeej hloov pauv.
(4) Tom qab kev hloov pauv tiav lawm, daim ntawv kov lub tshuab hluav taws xob uas ua rau lub tshuab hluav taws xob ploj mus, thiab tso cov nqi ntawm daim ntawv mus rau hauv av. Thaum kawg, nws nkag mus rau hauv lub kaw lus kho qhov kub siab, thiab cov duab thiab cov ntawv sau los ntawm lub toner tau koom ua ke rau hauv daim ntawv.
(5) Tom qab cov ntaub ntawv duab luam tawm lawm, lub cuab yeej ntxuav yuav tshem tawm cov toner uas tsis tau hloov pauv, thiab nkag mus rau hauv lub voj voog ua haujlwm tom ntej.
Tag nrho cov txheej txheem ua haujlwm saum toj no yuav tsum tau mus dhau xya kauj ruam: them, raug, txhim kho, hloov pauv, tshem tawm lub zog, kho, thiab ntxuav.
1>. Them nqi
Yuav kom lub nruas photosensitive nqus cov toner raws li cov duab qhia, lub nruas photosensitive yuav tsum tau them ua ntej.
Tam sim no muaj ob txoj kev them nqi rau cov tshuab luam ntawv hauv khw, ib qho yog corona them thiab lwm qhov yog them roller them, ob qho tib si muaj lawv tus yam ntxwv.
Kev them Corona yog ib txoj kev them tsis ncaj qha uas siv cov khoom siv hluav taws xob ntawm lub nruas photosensitive ua lub electrode, thiab ib txoj hlau nyias nyias muab tso ze ntawm lub nruas photosensitive zoo li lwm lub electrode. Thaum luam theej lossis luam ntawv, lub zog hluav taws xob siab heev raug siv rau lub hlau, thiab qhov chaw nyob ib puag ncig lub hlau tsim lub zog hluav taws xob muaj zog. Nyob rau hauv qhov kev ua ntawm lub zog hluav taws xob, cov ions nrog tib lub polarity li lub hlau corona ntws mus rau qhov chaw ntawm lub nruas photosensitive. Txij li thaum lub photoreceptor ntawm qhov chaw ntawm lub nruas photosensitive muaj kev tiv thaiv siab hauv qhov tsaus ntuj, lub nqi yuav tsis ntws mus, yog li lub peev xwm ntawm lub nruas photosensitive yuav txuas ntxiv mus nce. Thaum lub peev xwm nce mus rau qhov siab tshaj plaws, cov txheej txheem them nqi xaus. Qhov tsis zoo ntawm txoj kev them nqi no yog tias nws yooj yim los tsim hluav taws xob thiab ozone.
Kev them lub tshuab hluav taws xob yog ib txoj kev them hluav taws xob uas tsis tas yuav muaj hluav taws xob ntau thiab tsis ua rau ib puag ncig puas tsuaj. Yog li ntawd, feem ntau cov tshuab luam ntawv laser siv cov tshuab hluav taws xob los them.
Cia peb siv qhov them ntawm lub tshuab them ua piv txwv kom nkag siab txog tag nrho cov txheej txheem ua haujlwm ntawm lub tshuab luam ntawv laser.
Ua ntej, qhov hluav taws xob siab ntawm lub voj voog tsim hluav taws xob siab, uas them rau saum npoo ntawm lub nruas photosensitive nrog cov hluav taws xob tsis zoo sib xws los ntawm lub tshuab them. Tom qab lub nruas photosensitive thiab lub tshuab them tig sib dhos rau ib lub voj voog, tag nrho saum npoo ntawm lub nruas photosensitive raug them nrog cov nqi tsis zoo sib xws, raws li pom hauv Daim Duab 2-14.
Daim Duab 2-14 Daim duab qhia txog kev them nqi
2>. kev raug mob
Kev raug tshuaj ntsuam yog ua nyob ib puag ncig lub nruas photosensitive, uas raug tshuaj ntsuam nrog lub teeb laser. Qhov saum npoo ntawm lub nruas photosensitive yog ib txheej photosensitive, txheej photosensitive npog qhov saum npoo ntawm tus hlau txhuas alloy, thiab tus hlau txhuas alloy yog grounded.
Cov txheej photosensitive yog cov khoom siv photosensitive, uas yog tus cwj pwm los ntawm kev ua conductive thaum raug lub teeb, thiab rwb thaiv tsev ua ntej raug. Ua ntej raug, lub cuab yeej them nqi sib npaug raug them, thiab qhov chaw irradiated tom qab raug irradiated los ntawm laser yuav sai sai ua tus conductor thiab conduct nrog tus conductor aluminium alloy, yog li tus nqi raug tso tawm rau hauv av los tsim thaj chaw ntawv ntawm daim ntawv luam ntawv. Qhov chaw tsis raug irradiated los ntawm laser tseem khaws cia tus nqi qub, tsim thaj chaw dawb ntawm daim ntawv luam ntawv. Vim tias daim duab cim no tsis pom, nws hu ua daim duab electrostatic latent.
Lub sensor teeb liab sib dhos kuj tseem ntsia rau hauv lub scanner. Lub luag haujlwm ntawm lub sensor no yog xyuas kom meej tias qhov deb ntawm kev luam theej duab yog sib xws kom lub teeb laser uas raug rau ntawm qhov chaw ntawm lub nruas photosensitive tuaj yeem ua tiav qhov zoo tshaj plaws ntawm kev thaij duab.
Lub teeb laser tso tawm lub teeb laser nrog cov ntaub ntawv cim, uas ci rau ntawm lub prism uas tig tau ntau lub ntsej muag, thiab lub prism uas cuam tshuam cuam tshuam lub teeb laser rau ntawm qhov chaw ntawm lub nruas photosensitive los ntawm pawg lens, yog li ntawd scanning lub nruas photosensitive kab rov tav. Lub cev muaj zog tseem ceeb tsav lub nruas photosensitive kom tig tas li kom paub txog kev scanning ntsug ntawm lub nruas photosensitive los ntawm lub teeb laser emitting. Lub hauv paus ntsiab lus raug pom hauv Daim Duab 2-15.
Daim Duab 2-15 Daim duab qhia txog kev raug tshav ntuj
3>. kev loj hlob
Kev tsim kho yog txheej txheem ntawm kev siv lub hauv paus ntsiab lus ntawm kev thawb tib neeg thiab kev rub cov nqi hluav taws xob ntawm cov neeg sib txawv los hloov cov duab electrostatic latent uas tsis pom rau lub qhov muag liab qab mus rau hauv cov duab pom. Muaj lub cuab yeej hlau nplaum nyob hauv nruab nrab ntawm lub tshuab hlau nplaum (tseem hu ua kev tsim kho tshuab hlau nplaum, lossis lub tshuab hlau nplaum luv luv), thiab cov toner hauv lub thawv hmoov muaj cov khoom hlau nplaum uas tuaj yeem nqus tau los ntawm lub hlau nplaum, yog li cov toner yuav tsum raug rub los ntawm lub hlau nplaum nyob hauv nruab nrab ntawm lub tshuab hlau nplaum tsim kho.
Thaum lub nruas photosensitive tig mus rau qhov chaw uas nws nyob rau hauv kev sib cuag nrog lub tshuab sib nqus tsim, qhov ntawm qhov chaw ntawm lub nruas photosensitive uas tsis tau irradiated los ntawm laser muaj tib lub polarity li lub toner, thiab yuav tsis nqus toner; thaum qhov uas tau irradiated los ntawm laser muaj tib lub polarity li lub toner Ntawm qhov tsis sib xws, raws li lub hauv paus ntsiab lus ntawm kev cuam tshuam tib-poj niam txiv neej thiab kev nyiam poj niam txiv neej sib txawv, toner raug nqus rau ntawm qhov chaw ntawm lub nruas photosensitive qhov twg lub laser raug irradiated, thiab tom qab ntawd cov duab toner pom tau tsim rau ntawm qhov chaw, raws li qhia hauv Daim Duab 2-16.
Daim Duab 2-16 Daim duab qhia txog lub hauv paus ntsiab lus ntawm kev txhim kho
4>. hloov luam ntawv
Thaum lub nruas photosensitive hloov cov toner mus rau thaj tsam ntawm daim ntawv luam ntawv, muaj lub cuab yeej hloov pauv nyob rau sab nraub qaum ntawm daim ntawv los siv kev hloov pauv siab rau sab nraub qaum ntawm daim ntawv. Vim tias qhov hluav taws xob ntawm lub cuab yeej hloov pauv siab dua qhov hluav taws xob ntawm thaj chaw raug ntawm lub nruas photosensitive, cov duab, thiab cov ntawv sau los ntawm toner raug hloov mus rau daim ntawv luam ntawv raws li kev ua haujlwm ntawm lub zog hluav taws xob ntawm lub cuab yeej them, raws li pom hauv Daim Duab 2-17. Cov duab thiab cov ntawv sau tshwm sim rau ntawm qhov chaw ntawm daim ntawv luam ntawv, raws li pom hauv Daim Duab 2-18.
Daim Duab 2-17 Daim duab qhia txog kev luam ntawv hloov pauv (1)
Daim Duab 2-18 Daim duab qhia txog kev luam ntawv hloov pauv (2)
5>. Tshem tawm hluav taws xob
Thaum cov duab toner raug xa mus rau daim ntawv luam ntawv, lub toner tsuas yog npog qhov chaw ntawm daim ntawv, thiab cov qauv duab tsim los ntawm lub toner yooj yim puas tsuaj thaum lub sijhawm luam ntawv xa ntawv. Txhawm rau kom ntseeg tau tias cov duab toner ua ntej kho, tom qab hloov pauv, nws yuav dhau los ntawm lub cuab yeej tshem tawm hluav taws xob. Nws lub luag haujlwm yog tshem tawm polarity, neutralize tag nrho cov nqi thiab ua rau daim ntawv nruab nrab kom daim ntawv tuaj yeem nkag mus rau hauv chav kho kom zoo thiab xyuas kom meej tias cov khoom luam tawm zoo. Qhov zoo ntawm cov khoom, tau pom hauv Daim Duab 2-19.
Daim Duab 2-19 Daim duab qhia txog kev tshem tawm hluav taws xob
6>. kho
Kev cua sov thiab kho yog cov txheej txheem ntawm kev siv lub zog thiab cua sov rau daim duab toner uas nqus rau ntawm daim ntawv luam ntawv kom yaj cov toner thiab muab tso rau hauv daim ntawv luam ntawv kom tsim cov duab ruaj khov rau ntawm qhov chaw ntawm daim ntawv.
Lub ntsiab lus tseem ceeb ntawm toner yog resin, lub ntsiab lus yaj ntawm toner yog li 100°C, thiab qhov kub ntawm lub tshuab cua sov ntawm lub tshuab kho yog li 180°C.
Thaum lub sijhawm luam ntawv, thaum qhov kub ntawm lub fuser ncav cuag qhov kub uas tau teem tseg txog li 180°C thaum daim ntawv uas nqus cov toner hla dhau qhov sib txawv ntawm lub tshuab cua sov (tseem hu ua lub tshuab sab saud) thiab lub tshuab roj hmab siab (tseem hu ua lub tshuab siab qis, lub tshuab qis), cov txheej txheem fusing yuav ua tiav. Qhov kub siab tsim tawm ua rau lub toner sov, uas yaj lub toner rau ntawm daim ntawv, yog li tsim cov duab thiab cov ntawv khov kho, raws li pom hauv Daim Duab 2-20.
Daim Duab 2-20 Daim duab qhia txog kev kho
Vim tias qhov chaw ntawm lub tshuab cua sov yog coated nrog ib txheej uas tsis yooj yim rau lo rau toner, lub toner yuav tsis lo rau qhov chaw ntawm lub tshuab cua sov vim yog qhov kub siab. Tom qab kho, daim ntawv luam tawm raug cais tawm ntawm lub tshuab cua sov los ntawm kev sib cais claw thiab xa tawm ntawm lub tshuab luam ntawv los ntawm lub tshuab pub ntawv.
Cov txheej txheem ntxuav yog khawb cov toner ntawm lub nruas photosensitive uas tsis tau hloov pauv los ntawm qhov chaw ntawm daim ntawv mus rau lub thoob khib nyiab toner.
Thaum lub sijhawm hloov pauv, cov duab toner ntawm lub nruas photosensitive tsis tuaj yeem hloov mus rau daim ntawv tag nrho. Yog tias nws tsis raug ntxuav, cov toner uas tseem tshuav ntawm qhov chaw ntawm lub nruas photosensitive yuav raug nqa mus rau hauv lub voj voog luam ntawv tom ntej, ua rau cov duab tshiab tsim puas tsuaj. , yog li cuam tshuam rau qhov zoo ntawm kev luam ntawv.
Cov txheej txheem ntxuav yog ua los ntawm lub tshuab khawb roj hmab, uas nws lub luag haujlwm yog ntxuav lub nruas photosensitive ua ntej lub voj voog tom ntej ntawm kev luam ntawv nruas photosensitive. Vim tias cov hniav ntawm lub tshuab khawb roj hmab yog hnav-resistant thiab yoog raws, cov hniav tsim lub kaum sab xis txiav nrog qhov chaw ntawm lub nruas photosensitive. Thaum lub nruas photosensitive tig, cov toner ntawm qhov chaw raug khawb rau hauv lub thoob khib nyiab toner los ntawm lub tshuab khawb, raws li pom hauv Daim Duab 2-21.
Daim Duab 2-21 Daim duab qhia txog kev ntxuav
Lub sijhawm tshaj tawm: Lub Ob Hlis-20-2023