1)     Due to the limit quantity of pallet station of circular piece printing machine, normally, there is no keeping the spare pallet station for immediately inspection (in line inspection) purpose after each color printing. More often, the defect printing will be found at last pallet station (the collect-back-pallet). It means that the number of defect printing pieces are about the number of printing colors at this circumstance, you may lose the defect printing piece at this number.

 

2)     The Oval type piece printing machine, is available to keep the spare pallet for immediately inspection and also for nature curing (of course, this spare pallet station also can be put the portable flash curing device at your disposal).