激光打印機(jī)工作原理1

內(nèi)容硒鼓技術(shù)介紹-單色工作過程技術(shù)發(fā)展彩色硒鼓ARC/TEC/5T/016激光打印機(jī)打印過程Charging充電–充電滾軸均勻給在感光鼓沖上一層負(fù)電Imaging

成像-一束激光照射在感光鼓面上,中和負(fù)電荷形成圖像.Development

顯影-通過顯影滾軸給感光鼓面附著墨粉.Transfer

轉(zhuǎn)印-墨粉轉(zhuǎn)移到紙張上Fusing

加熱-使墨粉固定在紙張上Cleaning

清除–清除硒鼓上剩余的墨粉.?2000Hewlett-PackardCompany硒鼓切面圖充電滾軸感光鼓激光加熱滾筒壓力滾筒轉(zhuǎn)印滾軸廢粉倉墨粉倉墨粉清除片Recoveryblade顯影滾軸軸心(圓柱形磁鐵)刮粉刀攪拌棒紙張運(yùn)行路線Developersealingblade加

熱墨粉剩余量檢測金屬線?2000Hewlett-PackardCompany打印過程中各部件所起的作用

6.清潔清潔感光鼓面將多余的墨粉從感光故面上清除收集到非分收集倉.防止多余的墨粉漏到紙面上.PCROPCDRUM1.充電

充電滾軸負(fù)責(zé)給感光鼓充電運(yùn)行中充電滾軸會(huì)一直給感光鼓覆蓋一層負(fù)電荷.并將上一個(gè)周期殘留的電荷清除掉.

激光束2.感光

激光束照射到感光鼓的部份會(huì)產(chǎn)生放電現(xiàn)象,在鼓面上出現(xiàn)潛在的圖像

attheprecise

紙盒轉(zhuǎn)印滾軸4.轉(zhuǎn)印把感光故面上形成的圖像轉(zhuǎn)印到紙張上.轉(zhuǎn)印滾軸在紙張下面,轉(zhuǎn)印滾軸上充滿正電荷將感光鼓上形成圖像的墨粉吸到紙張上FUSER5.加熱使墨粉融化固定在紙上.由上方的加熱滾輪和下方的壓力滾輪組成.感光鼓的組成(OPC)感光鼓是一個(gè)薄薄的鋁制圓筒,上面涂一層感光材料廢粉倉清潔片TonerHopperDoctorblade顯影滾軸3.上粉滾軸

使感光故面的潛在圖像顯現(xiàn).顯影滾軸通過中心的磁鐵吸引充電的墨粉到表面,當(dāng)墨粉表面和感光鼓接觸,墨粉就會(huì)轉(zhuǎn)印到感光鼓面形成圖像.

?2000Hewlett-PackardCompany成像過程–充電充電:恒定的電流通過充電滾軸PCR(PrimaryChargeRoller)給感光鼓OPC表面均勻充上負(fù)電荷清除:充電滾軸PCR同樣將感光鼓表面殘留電荷擦去.PCROPC殘留電荷?2000Hewlett-PackardCompany成像過程–感光感光:激光束照射到感光鼓的部份會(huì)產(chǎn)生放電現(xiàn)象,在鼓面上出現(xiàn)潛在的圖像.PCROPC激光束潛在圖像?2000Hewlett-PackardCompany成像過程–顯影顯影:從潛在圖像到形成真正圖像.墨粉被磁鐵吸附在顯影滾軸上doctorblade

幫助顯影滾軸上的墨粉充上負(fù)電荷.感光鼓面上正電荷的部分會(huì)將充上負(fù)電荷的墨粉吸附過去,在鼓面上形成圖像.OPC顯影滾軸中心有磁鐵DoctorbladeMylarsweeperstrip?2000Hewlett-PackardCompany成像過程–轉(zhuǎn)印轉(zhuǎn)印:在感光鼓面上形成的圖像轉(zhuǎn)移到紙張上.

轉(zhuǎn)印滾軸充上正電荷,在紙張下面將墨粉吸附到紙上.OPCTransferRoller紙路?2000Hewlett-PackardCompany成像過程–熱溶熱溶:通過高溫使墨粉融化并固定在紙上.熱溶組件是由上方的加熱滾軸和下方的壓力滾軸組成的.紙路PressureRollerUpperfuserroller(hot)固定墨粉未融化墨粉?2000Hewlett-PackardCompany成像過程–清除清除:將感光鼓OPC表面清除干凈.清潔擋片將剩余墨粉收集到廢粉倉Therecoveryblade

防止剩余墨粉漏出來.PCROPCTransferRoller廢粉倉剩余墨粉擋片清除片?2000Hewlett-PackardCompany單色磁鼓拋面圖PrimaryChargeRollerOPCDrumHotRollerPressureRollerTransferRollerWastehopperTonersupplyhopperWiperbladeRecoverybladeDevelopersleeve(cylindricalmagnetinside)DoctorbladeStirringbladePAPERPATHDevelopersealingbladeFUSINGTonerLowsensingwire?2000Hewlett-PackardCompany彩色打印機(jī)發(fā)展TonersupplyhopperDoctorbladeStirringbladeDevelopers(X4)+Carousel?2000Hewlett-PackardCompany彩色打印機(jī)發(fā)展PrimaryChargeRollerOPCDrumWastehopperWiperbladeOPCCartridge?2000Hewlett-PackardCompanycolourprintercomplexity?2000Hewlett-PackardCompanymagentayellowblack彩色圖像的組成cyan?2000Hewlett-PackardCompany4-passtechnologyFuserTransferin-linetechnologyHPcolourLaserJet4600all-in-oneprintcartridgeOPCdrumchargerollercleaningbladedeveloperrollerdoctorbladetonerreservoir?2000Hewlett-PackardCompanyhpcolourtonertonerparticleandhuman