1 Ọdịdị dị n'ime nke ngwa nbipute laser
Ọdịdị dị n'ime nke ngwa nbipute laser nwere akụkụ anọ dị mkpa, dịka egosiri na foto 2-13.
Ọgụgụ 2-13 Ọdịdị dị n'ime nke ngwa nbipute laser
(1) Ngalaba Laser: na-ebunye ọkụ laser nwere ozi ederede iji kpughee drum foto.
(2) Ngalaba Nri akwụkwọ: jikwaa akwụkwọ ka ịbanye na ngwa nbipute n'oge kwesịrị ekwesị wee pụọ na ngwa nbipute.
(3) Nkeji na-emepe emepe: Jiri toner kpuchie akụkụ ahụ ekpughere ekpughere nke drum foto iji mee foto nke anya gba ọtọ nwere ike ịhụ, ma bufee ya n'elu akwụkwọ ahụ.
(4) Ngalaba na-edozi: A na-agbaze toner na-ekpuchi elu nke akwụkwọ ahụ ma kwadoro ya na akwụkwọ ahụ site na iji nrụgide na kpo oku.
2 Ụkpụrụ na-arụ ọrụ nke ngwa nbipute laser
Ihe nbipute laser bụ ngwaọrụ mmepụta nke jikọtara teknụzụ nyocha laser na teknụzụ onyonyo eletrọnịkị.Ndị na-ebi akwụkwọ laser nwere ọrụ dị iche iche n'ihi ụdị dị iche iche, mana usoro ọrụ na ụkpụrụ bụ otu.
Na-ewere ọkọlọtọ HP laser na-ebi akwụkwọ dị ka ihe atụ, na-arụ ọrụ usoro bụ ndị a.
(1) Mgbe onye ọrụ zigara onye nbipute iwu site na sistemụ arụmọrụ kọmputa, ozi eserese a ga-ebipụta na-ebu ụzọ gbanwee ka ọ bụrụ ozi ọnụọgụ abụọ site na onye na-ebi akwụkwọ, ma mesịa ziga ya na bọọdụ njikwa.
(2) Igwe njikwa isi na-anata ma kọwaa ozi ọnụọgụ abụọ nke onye ọkwọ ụgbọ ala zitere, na-edozi ya na beam laser, ma na-ejikwa akụkụ laser na-ebunye ọkụ dịka ozi a si dị.N'otu oge ahụ, a na-ebufe elu nke drum photosensitive site na ngwaọrụ nchaji.Mgbe ahụ, ọkụ laser nwere ozi eserese na-emepụta site na akụkụ nyocha nke laser iji kpughee drum photosensitive.A na-emepụta ihe onyonyo latent eletrọnịkị n'elu drum toner mgbe ekpughere ya.
(3) Mgbe katriji toner na kọntaktị na sistemu na-emepe emepe, onyonyo a na-ahụ anya na-aghọ eserese a na-ahụ anya.Mgbe ị na-agafe usoro nnyefe, a na-ebufe toner na mpempe akwụkwọ n'okpuru ọrụ nke ọkụ eletrik nke ngwaọrụ nnyefe.
(4) Mgbe emechara nfefe ahụ, akwụkwọ ahụ na-akpọtụrụ sawtooth na-ekpochapụ ọkụ eletrik, wee wepụ ụgwọ ahụ na akwụkwọ ahụ n'ala.N'ikpeazụ, ọ na-abanye na usoro nhazi okpomọkụ dị elu, na eserese na ederede nke toner na-emepụta na-abanye n'ime akwụkwọ.
(5) Mgbe e bipụtachara ozi eserese, ngwaọrụ nhicha na-ewepụ toner na-ebufeghị ya, wee banye na okirikiri ọrụ na-esote.
Usoro ọrụ niile dị n'elu kwesịrị ịgafe usoro asaa: chaja, ikpughe, mmepe, mbufe, mkpochapụ ike, idozi na ihicha.
1>ebubo
Iji mee ka drum photosensitive banye toner dị ka ozi eserese siri dị, a ga-ebu ụzọ bunye drum foto mmetụta.
Enwere ụzọ chajị abụọ maka ndị na-ebi akwụkwọ n'ahịa ugbu a, otu bụ corona cha cha na nke ọzọ na-ana cha cha cha cha, nke abụọ nwere njirimara ha.
Nchaji Corona bụ usoro chaja na-apụtaghị ìhè nke na-eji mkpụrụ ihe na-eduzi nke drum photosensitive dị ka eletrọd, a na-etinyekwa waya ọla dị gịrịgịrị n'akụkụ drum photosensitive dị ka electrode ọzọ.Mgbe ị na-edegharị ma ọ bụ na-ebi akwụkwọ, a na-etinye voltaji dị elu na waya, na oghere dị n'akụkụ waya ahụ na-emepụta ọkụ eletrik siri ike.N'okpuru ọrụ nke igwe eletrik, ion nwere otu polarity dị ka waya corona na-eruba n'elu nke drum photosensitive.Ebe ọ bụ na onye na-ahụ maka foto nke dị n'elu nke drum photosensitive nwere nnukwu nguzogide n'ọchịchịrị, ụgwọ ahụ agaghị agabiga, ya mere ikike elu nke drum photosensitive ga-anọgide na-ebili.Mgbe ike na-ebili na ikike nnabata kachasị elu, usoro nchaji na-agwụ.Ọdịmma nke usoro ịchaji a bụ na ọ dị mfe ịmepụta radieshon na ozone.
Nchaji rola chaja bụ usoro ịchaji kọntaktị, nke na-anaghị achọ voltaji chaja dị elu yana ọ dịkwa mma na gburugburu ebe obibi.Ya mere, ọtụtụ ndị na-ebi akwụkwọ laser na-eji chaja rollers akwụ ụgwọ.
Ka anyị were chaja nke rola chaja dị ka ọmụmaatụ iji ghọta usoro ọrụ niile nke ngwa nbipute laser.
Nke mbụ, akụkụ sekit dị elu na-emepụta voltaji dị elu, nke na-ebufe elu nke drum photosensitive na ọkụ eletrik na-adịghị mma site na mpaghara nchaji.Mgbe drum photosensitive na chaja chaja na-atụgharị synchronously maka otu okirikiri, a na-ebubo elu niile nke drum photosensitive ụgwọ na-adịghị mma, dị ka egosiri na eserese 2-14.
Ọgụgụ 2-14 Eserese atụmatụ nke ịchaji
2>.mkpughepụ
A na-eme ihe ngosi n'akụkụ drum foto, nke ejiri eriri laser kpughee.Elu nke drum photosensitive bụ oyi akwa nke foto, ihe mkpuchi foto na-ekpuchi elu nke onye na-eduzi aluminom, na onye na-eduzi aluminom na-agbanye ala.
Ihe oyi akwa foto bụ ihe na-ahụ anya nke foto, nke a na-eji na-eduzi mgbe a na-ekpughe ya na ìhè, na mkpuchi tupu ikpughe.Tupu ikpughe, a na-akwụ ụgwọ ụgwọ nke otu ahụ site na ngwaọrụ nchaji, na ebe a na-agbanye ọkụ mgbe ọkụ laser gasịrị ga-aghọ ngwa ngwa na-eduzi ma na-eduzi ihe na-eme ihe na-eme ihe na aluminum alloy, ya mere a na-ahapụ ụgwọ ahụ n'ala iji mepụta mpaghara ederede na. akwụkwọ obibi akwụkwọ.Ebe a na-adịghị ahụ ọkụ laser ka na-ejigide ụgwọ mbụ, na-eme oghere na mpempe akwụkwọ.Ebe ọ bụ na a naghị ahụ ihe oyiyi agwa a anya, a na-akpọ ya foto latent electrostatic.
A na-etinyekwa ihe mmetụta mgbaàmà mmekọrịta na nyocha.Ọrụ nke ihe mmetụta a bụ iji hụ na anya nyocha na-agbanwe agbanwe ka laser beam irradiated n'elu nke photosensitive drum nwere ike nweta nsonaazụ kacha mma.
Oriọna laser na-ebunye ọkụ laser nwere ozi agwa, nke na-enwu na prism na-atụgharị n'ọtụtụ akụkụ na-atụgharị, na prism na-egbuke egbuke na-egosipụta ọkụ laser na elu nke drum photosensitive site na otu oghere, si otú ahụ na-enyocha ụda foto na-ahụ anya n'ahịrị.Isi moto na-ebugharị drum photosensitive ka ọ na-aga n'ihu na-atụgharị iji ghọta nyocha kwụ ọtọ nke drum photosensitive site na oriọna na-emitting laser.E gosipụtara ụkpụrụ mkpughe na foto 2-15.
Ọgụgụ 2-15 Eserese atụmatụ nke mkpughe
3>.mmepe
Mmepe bụ usoro iji ụkpụrụ nke mmekọ nwoke na nwanyị na-adọrọ adọrọ nke ụgwọ eletrik iji mee ka ihe oyiyi electrostatic na-adịghị ahụ anya na anya gba ọtọ ka ọ bụrụ eserese a na-ahụ anya.Enwere ngwaọrụ ndọta n'etiti igwe magnetik (nke a na-akpọkwa ndị na-emepe emepe magnetik, ma ọ bụ rola magnetik maka nkenke), na toner dị na ntụ ntụ nwere ihe ndọta nke magnet nwere ike ịmịnye ya, ya mere a ga-adọrọ mmasị na toner. site na ndọta dị n'etiti igwe ihe ndọta na-emepe emepe.
Mgbe drum photosensitive na-atụgharị gaa n'ọnọdụ ebe ọ nọ na kọntaktị na rola magnetik na-emepe emepe, akụkụ nke elu nke drum photosensitive nke na-adịghị emegharị site na laser nwere otu polarity dị ka toner, na agaghị etinye toner;ebe akụkụ ahụ nke laser na-agbapụta nwere otu polarity dị ka toner N'ụzọ megidere nke ahụ, dị ka ụkpụrụ nke mmegide mmekọ nwoke na nwanyị na-adọta nwoke na nwanyị, toner na-etinye obi gị dum n'elu nke drum photosensitive ebe laser na-agbanye ọkụ. , wee mepụta eserese toner a na-ahụ anya n'elu, dị ka egosiri na eserese 2-16.
Ọgụgụ 2-16 eserese ụkpụrụ mmepe
4>.nyefee mbipụta
Mgbe a na-ebufe toner na nso ebe a na-ebipụta akwụkwọ na-eji foto ndị na-ese foto, e nwere ihe na-ebufe ihe n'azụ akwụkwọ ahụ iji tinye ntinye nke nrụgide dị elu n'azụ akwụkwọ ahụ.N'ihi na voltaji nke ngwaọrụ nnyefe dị elu karịa voltaji nke mpaghara ikpughe nke drum photosensitive, ndịna-emeputa, na ederede nke toner na-emepụta na-ebufe akwụkwọ na-ebipụta n'okpuru ọrụ nke ọkụ eletrik nke ngwaọrụ nchaji, dị ka egosiri. na eserese 2-17.Eserese na ederede na-apụta n'elu akwụkwọ obibi akwụkwọ, dịka egosiri na eserese 2-18.
Ọgụgụ 2-17 Nhazi nke mbipụta mbufe (1)
Onyonyo 2-18 Eserese nhazi nke mbipụta mbufe (2)
5>.Wepụ ọkụ eletrik
Mgbe a na-ebufe ihe oyiyi toner na mpempe akwụkwọ, toner na-ekpuchi naanị elu nke akwụkwọ ahụ, na nhazi ihe oyiyi nke toner na-eme ka ọ dị mfe n'oge usoro ntinye akwụkwọ.Iji hụ na iguzosi ike n'ezi ihe nke ihe oyiyi toner tupu edozi ya, mgbe nnyefe ahụ gasịrị, ọ ga-agafe na ngwaọrụ mkpochapụ static.Ọrụ ya bụ ikpochapụ polarity, wepụ ụgwọ niile ma mee ka akwụkwọ ahụ na-anọpụ iche ka akwụkwọ ahụ wee nwee ike ịbanye n'ime nhazi ahụ nke ọma ma hụ na mbipụta mmepụta ihe dị mma nke ngwaahịa, gosipụtara na Figure 2-19.
Onyonyo 2-19 Eserese atụmatụ nke mkpochapụ ike
6>.idozi
Ikpo ọkụ na idozi bụ usoro nke itinye nrụgide na ikpo ọkụ na ihe oyiyi toner na-adaba na akwụkwọ obibi akwụkwọ iji gbazee toner ma tinye ya n'ime akwụkwọ obibi akwụkwọ iji mepụta eserese siri ike n'elu akwụkwọ ahụ.
Akụkụ bụ isi nke toner bụ resin, ebe mgbaze nke toner dị ihe dị ka 100°C, na okpomọkụ nke igwe na-ekpo ọkụ nke ihe ndozi bụ ihe dịka 180°C.
N'oge a na-ebi akwụkwọ, mgbe okpomọkụ nke fuser ruru okpomọkụ a kara aka nke ihe dịka 180°C mgbe akwụkwọ nke na-amịkọrọ toner na-agafe na oghere dị n'etiti igwe ọkụ ọkụ (nke a makwaara dị ka ihe mkpuchi elu) na nrụgide rọba nrụgide (nke a makwaara dị ka ihe mgbakwasị ụkwụ nke nrụgide, obere ala), usoro fusing ga-agwụ.Igwe ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, nke na-agbaze toner na akwụkwọ ahụ, si otú a na-emepụta ihe oyiyi na ederede siri ike, dị ka e gosiri na 2-20.
Ihe osise 2-20 Ụkpụrụ nke ndozi
N'ihi na a na-ekpuchi elu nke igwe na-ekpo ọkụ na-ekpuchi ya na mkpuchi nke na-adịghị mfe ịrapagidesi ike na toner, toner agaghị adabere n'elu ikpo ọkụ ọkụ n'ihi oke okpomọkụ.Mgbe edozichara, a na-ekewa akwụkwọ mpempe akwụkwọ na igwe na-ekpo ọkụ site na eriri nkewa wee zipụ ya na ngwa nbipute site na akwụkwọ mpịakọta akwụkwọ.
Usoro ihicha bụ ikpochapụ toner na drum photosensitive nke a na-ebufeghị n'elu akwụkwọ ahụ gaa na nsị toner.
N'oge usoro mbufe, ihe onyonyo toner na drum photosensitive enweghị ike ibufe kpamkpam na akwụkwọ ahụ.Ọ bụrụ na emeghị ya ka ọ dị ọcha, a ga-ebufe toner nke fọdụrụ n'elu ihe nkiri fotosensitivity n'ime usoro obibi akwụkwọ na-esote, na-ebibi ihe oyiyi ahụ emepụtara ọhụrụ., si otú ahụ na-emetụta àgwà mbipụta.
A na-eme usoro nhicha ahụ site na onye na-akpụ akpụ rọba, onye ọrụ ya bụ ịsacha foto ndị na-ese foto tupu oge ọzọ nke mbipụta drum photosensitive.N'ihi na agụba nke rubber ihicha scraper bụ eyi na-eguzogide ma na-agbanwe agbanwe, agụba ahụ na-etolite akụkụ ịkpụ na elu nke drum photosensitive.Mgbe drum photosensitive na-atụgharị, a na-akpụcha toner dị n'elu n'ime ebe mkpofu ahịhịa site na scraper, dị ka egosiri na foto 2-21 egosiri.
Onyonyo 2-21 Eserese atụmatụ nke nhicha
Oge nzipu: Feb-20-2023