激光打印机工作原理.pptx

IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company内容硒鼓技术介绍-单色工作过程技术发展彩色硒鼓ARC/TEC/5T/01IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company6 激光打印机打印过程Charging 充电充电充电滚轴均匀给在感光鼓冲上一层负电Imaging 成像成像-一束激光照射在感光鼓面上,中和负电荷形成图像.Development 显影-通过显影滚轴给感光鼓面附着墨粉.Transfer 转印-墨粉转移到纸张上Fusing 加热-使墨粉固定在纸张上Cleaning 清除清除硒鼓上剩余的墨粉.IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company硒鼓切面图充电滚轴感光鼓激光加热滚筒压力滚筒转印滚轴废粉仓墨粉仓墨粉清除片Recovery blade显影滚轴轴心(圆柱形磁铁)刮粉刀搅拌棒纸张运行路线Developer sealing blade加 热墨粉剩余量检测金属线IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company打印过程中各部件所起的作用6.清洁清洁清洁感光鼓面清洁感光鼓面将多余的墨粉从感光故面上清除收集到非分收集仓.防止多余的墨粉漏到纸面上.PCROPCDRUM1.充电充电 充电滚轴负责给感光鼓充电充电滚轴负责给感光鼓充电运行中充电滚轴会一直给感光鼓覆盖一层负电荷.并将上一个周期残留的电荷清除掉.激光束激光束2.感光感光 激光束照射到感光鼓的部份会产生放电激光束照射到感光鼓的部份会产生放电现象现象,在鼓面上出现潜在的图像在鼓面上出现潜在的图像 at the precise 纸盒纸盒 转印滚轴转印滚轴4.转印转印 把感光故面上形成的图像转印到纸张上把感光故面上形成的图像转印到纸张上.转印滚轴在纸张下面,转印滚轴上充满正电荷将感光鼓上形成图像的墨粉吸到纸张上FUSER5.加热加热 使墨粉融化固定在纸上使墨粉融化固定在纸上.由上方的加热滚轮和下方的压力滚轮组成.感光鼓的组成(OPC)感光鼓是一个薄薄的铝制圆筒,上面涂一层感光材料废粉仓废粉仓 清洁片清洁片TonerHopperDoctor blade显影滚轴显影滚轴3.上粉滚轴上粉滚轴 使感光故面的潜在图像显现使感光故面的潜在图像显现.显影滚轴通过中心的磁铁吸引充电的墨粉到表面,当墨粉表面和感光鼓接触,墨粉就会转印到感光鼓面形成图像.IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company成像过程 充电充电:恒定的电流通过充电滚轴 PCR(Primary Charge Roller)给感光鼓OPC表面均匀充上负电荷清除清除:充电滚轴PCR同样将感光鼓表面残留电荷擦去.PCROPC残留电荷残留电荷IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company成像过程 感光感光感光:激光束照射到感光鼓的部份会产生放电现象,在鼓面上出现潜在的图像.PCROPC激光束激光束潜在潜在图像图像IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company成像过程 显影显影显影:从潜在图像到形成真正图像.墨粉被磁铁吸附在显影滚轴上doctor blade 帮助显影滚轴上的墨粉充上负电荷.感光鼓面上正电荷的部分会将充上负电荷的墨粉吸附过去,在鼓面上形成图像.OPC显影滚轴中心有磁铁显影滚轴中心有磁铁Doctor bladeMylar sweeper stripIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company成像过程 转印转印转印:在感光鼓面上形成的图像转移到纸张上.转印滚轴充上正电荷,在纸张下面将墨粉吸附到纸上.OPCTransfer Roller纸路IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company成像过程 热溶热溶热溶:通过高温使墨粉融化并固定在纸上.热溶组件是由上方的加热滚轴和下方的压力滚轴组成的.纸路Pressure RollerUpper fuser roller(hot)固定墨粉固定墨粉未融化墨粉未融化墨粉IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company成像过程 清除清除清除:将感光鼓 OPC 表面清除干净.清洁挡片将剩余墨粉收集到废粉仓 The recovery blade 防止剩余墨粉漏出来.PCROPCTransferRoller废粉仓 剩余墨粉 挡片 清除片IJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company单色磁鼓抛面图Primary Charge RollerOPC DrumHot RollerPressure RollerTransfer RollerWaste hopperToner supply hopperWiper bladeRecovery bladeDeveloper sleeve(cylindrical magnet inside)Doctor bladeStirring bladePAPER PATHDeveloper sealing bladeFUSINGToner Low sensing wireIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company彩色打印机发展Toner supply hopperDoctor bladeStirring bladeDevelopers(X4)+CarouselIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company彩色打印机发展Primary Charge RollerOPC DrumWaste hopperWiper bladeOPC CartridgeIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Companycolour printer complexityIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Companymagentayellowblack彩色图像的组成cyanIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Company4-pass technologyFuserTransferin-line technologyIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard CompanyHP colour LaserJet 4600 all-in-one print cartridgeOPC drumcharge rollercleaning bladedeveloper rollerdoctor bladetoner reservoirIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Companyhp colour tonertoner particle and human hairImages of hp color chemical tonerIJMS Regional Technical Marketing Product SupportSlides courtesy of Boise division(adapted for AP technical training)2000 Hewlett-Packard Companyunfused toner/fused tonerrefiller colour toner