激光打印机打出来是白纸如何解决?

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  激光打印机打出来是白纸如何解决打印机是办公室必备的设施,最近有使用激光打印机的伙伴反馈说,激光打印机打出来是白纸,这是怎么回事呢?造成这种现象的原因有很多,下面小编给大家总结了激光打印机打出来是白纸的原因及维修方法。

  什么是激光打印机?

  激光打印机是将激光扫描技术和电子照相技术相结合的打印输出设备。其基本工作原理是由计算机传来的二进制数据信息,通过视频控制器转换成视频信号,再由视频接口/控制系统把视频信号转换为激光驱动信号,然后由激光扫描系统产生载有字符信息的激光束,最后是由电子照相系统使激光束成像并转印到纸上。较其他打印设备,激光打印机有打印速度快、成像质量高等优点;但使用成本相对高昂。

  激光打印机打出来是白纸是什么原因?

  1、盒内已无墨粉;

  2、激光器机械快门没打开;

  3、激光扫描系统中的透镜、反射镜被污染;

  4、激光扫描系统中的激光发生器被污染;

  5、激光扫描系统中的激光发生器老化或损坏;

  6、激光器扫描系统中的扫描电机损坏;

  7、光扫描系统中的激光控制驱动电路损坏;

  8、充电辊损坏;

  9、高压产生电路故障。

  激光打印机打出来是白纸的维修方法如下:

  1、先检查墨粉是否用完,如果用完,更换新的粉盒;如果没有用完,可以用替换法检查粉盒是否有问题(注意更换粉盒时将墨粉密封条拉出)。

  2、如果粉盒没有问题,接着检查机械快门杠杆或硒鼓撞杆是否损坏(损坏后将造成激光器机械快门无法打开,感光鼓无法曝光)。如果机械快门杠杆损坏或硒鼓撞杆损坏,可以使用胶修复快门杠杆或硒鼓组件上的撞杆。

  3、如果机械快门杠杆或硒鼓撞杆正常,接着检查激光扫描系统中的透镜、发射镜是否被污染。如果被污染,清洁透镜及发射镜。

  4、如果透镜、发射镜没有被污染,检查透镜、反射镜是否松动或位置不对。如果是,调整或固定松动的透镜、反射镜。

  5、如果透镜、反射镜正常,接着检查激光发生器是否被污染。如果被污染,清洁激光发生器。

  6、果激光发生器没有被污染,接着检查扫描电机是否损坏。如果损坏,更换扫描电机;如果扫描电机正常,接着检查激光发生器驱动电流是否减弱。

  7、如果减弱,接着检查激光驱动电路是否正常(如有烧坏的元器件等)。如果激光驱动电路不正常,修复故障。

  8、如果激光驱动电路正常,则是激光发生器老化或损坏,更换激光发生器。如果激光发生器驱动电流正常。接着检查充电辊电压是否正常。

  9、如果激光发生器驱动电流不正常,则可能是充电辊损坏或高压产生电路故障所致,修复或更换充电辊或维修高压产生电路故障。

  10、果充电辊电压正常,接着检查感光鼓消电极是否接触良好(接触不良将造成感光鼓无电位差)。如果接触不良,重新安装消电极。

  11、果接触良好,则可能是感光鼓老化,更换感光鼓。

  以上便是激光打印机打出来是白纸的原因及维修方法,有遇到此故障的伙伴,可以按照小编描述的步骤进行解决。

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