Laser slide printer is a high-precision,high-speed professional printing equipment,which is widely used in healthcare,biotechnology and other fields.With the development of science and technology and the increase in demand,more and more enterprises and institutions have begun to use laser slide printers to meet their growing printing needs.However,in the process of use,laser slide printers will also encounter various faults,and if these faults cannot be solved in time,they will not only affect the work efficiency,but also bring greater damage to the equipment.Therefore,the failure analysis and maintenance of laser slide printers are particularly important.This article will analyze the working principle,common fault types and maintenance measures of laser slide printers,and put forward feasible solutions,in order to help users better understand and maintain laser slide printers,and improve their efficiency and lifespan.