Copy apparatus having plural copy sheet discharge trays for diff

Details Copy apparatus having plural copy sheet discharge trays for diff Copy apparatus having plural copy sheet discharge trays for diff

1988-04-21

1990-05-22

Braun, Fred L.

Photocopying

Contact printing

Light boxes

355319, 355321, G03G 2100

Patent

active

049281500

ABSTRACT:
A copying machine for carrying out simplex, duplex and composite copying operations, wherein a sheet is re-fed to an image forming section in a duplex or composite copying mode. The machine includes two sheet discharge sections, a size evaluating device for judging the size of a sheet in the course of sheet transport, and a reversible roller pair disposed adjacent one of the discharge sections. When the sheet has a size fit for re-feeding for a second image formation in the duplex copying mode, the reversible roller pair is controlled to re-feed the sheet in a switchback fashion to the image forming section. When the sheet is too small, the reversible roller pair discharges the sheet through to the discharge section.

REFERENCES:
patent: 4017173 (1977-04-01), Komori et al.
patent: 4453819 (1984-06-01), Wada et al.
patent: 4515458 (1985-05-01), Masuda et al.
patent: 4607942 (1986-08-01), Koyama et al.
patent: 4655582 (1987-04-01), Okuda et al.
patent: 4772917 (1988-09-01), Tani

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