Installing a grating（加装光栅）

[@didinenouari9753]

hi how are you doing today sir
my client contacted me about the UV 3545 .
my client tells me that whene he start it the printer begin to do cleaning and it consume a lot of ink's

[@alan_china]

Hello, please provide feedback on the corresponding fault video in the after-sales group, and I will assist you in resolving it