Driver boards installation instruction
1 lock tight golden color cylinder marked as red below.
2 lock tight screws as below.
4 Keep the slot clean without anything in it, and board without sign of damage.
5 screws in red and ground end in blue are well connected.
6 Direct current 24V and 37V’s voltage are normal. 24V in red, 37V in blue.
7 Indicator work normal.
8 Printhead and boards are well connected, fully touched.