请问美能达打印机“drum cartridge end of life"是什么意思?还有“menu specil pages “、“image quality draft“

请问美能达打印机“drum cartridge end of life是什么意思?还有“menu specil pages “、“image quality draft“ 联想(lenovo M3120)打印机显示：Dust on Drum.Open the front Cover and remove the Drum.Clean the corona wire located on the Drum.请问太原有联想打印机客服或售后吗?请给出详细地址. 兄弟打印机上的Drum是什么意思 打印机上的Drum闪亮是什么意思打印机启动后,打印机上的Drum一直在闪亮,此时打印机不工作. 兄弟打印机7420总出现 CHANGE DRUM SOON 如何解决 drum 有一首歌里有 the drum the drum,请问这是什么歌, 打印机出现Dust on drum.Clean the corona wire lo打印机出现Dust on drum. Clean the corona wire located on the drum. Open the front cover and remove the drum. 什么意思阿? 联想打印机,dust on drum ,please clean the corona,located cover the drum .我的联想打印机带有复印,扫描功能, 我的打印机是lenovo7020,出现change drum soon 的提示该如何处理 联想m7120打印机总是dust on drum为什么总是这样?请说的简单点, returr the tab to -put drum 兄弟打印机故障后出现的英文 open the frone cover ang remove the drum . clean the corona wire located on the drum .这是我家打印机上出现的,啥意思啊?谁知道? 松下打印机总出现CHANGE DRUM CHANGE SUPPLIES 年前刚换的墨盒,又重新安装了几次 也不行 请问打印机这个样子是什么意思啊 请问三星电子打印机如何加碳粉? change drum change drum change drum change drum