M1724打印机使用一段时间后,特别是打印任务较重的情况下常会发生有纸时检测灯亮(check灯)而停止打印,轻者当你重按一下on line开关使之为联机状态打印机又正常打印,重者即使再按一下on line开关也不能打印而check灯又亮,误报“无纸”指示。这表明纸检测有误。该故障使用户十分烦恼。有的甚至怀疑机内电路或打印接口板有毛病。 这类故障是在打印机卷纸辊筒下的纸检测光电开 M1724 printer after using a period of time, especially in the case of heavy print jobs often occur when the paper detection light (check light) and stop printing, light when you press the on line switch to make it online and the printer prints , Heavy even if you press the on line switch can not print and check light and bright, false positive “no paper” instructions. This indicates that the paper detection is incorrect. The fault is very annoying to the user. Some even suspect the internal circuit or print interface board defective. This type of failure is detected in the paper roll under the printer paper roll photoelectric open