OPTION DEVICE FOR PERFECT PRINTING, PERFECT PRINTING METHOD AND REVERSING AND PAPER RESUPPLY DEVICE

摘要

PROBLEM TO BE SOLVED: To enable perfect printing to be easily performed in a short time dispensing with a makeup device or a printing plate delivery device belonging to a printing device for one side printing, on an option device for perfect printing by making two printing drums interchangeable. ;SOLUTION: A printing device 1 for one side printing is used with an option device 2 for perfect printing connected to a paper delivery aperture. In the option device 2 for perfect printing, a sheet S with a printed first surface delivered from the paper delivery aperture of the printing device 1 for one side printing is reversed so that the second surface is turned upward, by a reversing the paper resupply part 18. Further the second surface of the sheet S is printed by a printing drum 19 and delivered. Thus it is possible to perform the perfect printing easily and in a short time.;COPYRIGHT: (C)2000,JPO