MA-4201型电脑化尿液快速分析仪,具有快速、准确、精密、灵活、方便的特点。但出现故障后,维修和零配件的供应都存在困难。现将二例普遍出现的故障的检修过程整理如下,供参考。故障一:打字机不能送纸仪器使用三、四年后,大多数都出现打字机不能送纸的故障。主要原因是连续送纸轮的一个塑料齿轮 MA-4201 computerized urine rapid analyzer, with fast, accurate, sophisticated, flexible and convenient features. However, after the failure, the maintenance and spare parts supply are difficult. Now two cases of the failure of the overhaul process as follows, for reference. Fault 1: typewriter can not feed paper instrument used three or four years later, most of them appear typewriter can not feed the fault. The main reason is the continuous feed of a plastic gear wheel