故障现象一胶片图像在纵轴方向有条状伪影且位置及大小固定。故障检修固定的纵向条纹一般为打印头或者3根走片滚轴某个点或某区不干净。做常规清理:关闭打印机,拔除电源线,打开打印机左侧盖,掀开蓝色滚轴的盖板,用沾有酒精(浓度为95%)的纱布来回擦拭滚轴,并连续手动转动滚轴做360°清理,同法清理黑色压片滚轴,最后清理激光打 Fault phenomenon A film image in the longitudinal axis of the strip of artifacts and the location and size of fixed. Troubleshooting Fixed longitudinal stripe is generally a print head or a piece of roller 3 or a certain area is not clean. Routine cleaning: Turn off the printer, unplug the power cord, open the left cover of the printer, open the blue roller cover, with a gauze with alcohol (concentration 95%) back and forth to wipe the roller and continuous manual rotation of the roller Do 360 ° clean-up, with the law to clean the black platen roller, and finally clean up the laser hit