The Surface Of A Print Head Is Frail

The surface of a print head is frail

  The surface of print head of UV printer is flimsy.it  is supposed to be protected very well and can never be touched.the surface of print head is a layer of aluminum sheet.where is panted with crystal oscillator and tiny ink tube.it would concave or deform even crack if it is touched.in that case,the print head break down.