1) Normally, the number of processed pallet station of circular type printing machine is the number of printing colors (stations) plus one lay-down-pallet and one collect-back-pallet. Due to a various kinds of printing chemicals and printing techniques, sometime, after one printing process, need a drying and/or curing treatment, and then enable for next printing process; therefore, for this reason, the circular type printing machine needs to sacrifice one or more printing colors (stations) for the drying and curing treatment and lead to the less number of actual printing colors.
2) Oval type printing machine can provide one or more pallet stations for the drying and/or curing treatment, and also for the inspection the printing effect purpose. The actual printing colors will not be sacrificed.
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