we have a whole inspection to the items which we produce, when the printers are finished,we will do following test before sending them out.
1. Test every board in the printer to make they are in good work.
2 There is a person who in charge of checking every spare parts based on our list
3. Ask engineer to check every details in the printer and take pictures to have a double check.
4. Package department do the package after everything is confirmed by engineer.