Photocopying – Contact printing – Light boxes
Patent
1990-08-28
1991-10-22
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
271 3, G03G 1500
Patent
active
050600257
ABSTRACT:
Printing apparatus for printing one or both sides of single sheets fed consecutively to the printing apparatus, with a printing channel with an associated printing station and paper-transport elements. The printing channel is coupled on the entry and exit sides to a return channel which has paper-transport elements and a turning device and which, as required, after the printing of a front side feeds the single sheets to the printing station once again for the printing of the reverse side. The printing channel is followed by a paper-transport channel system having paper-transport elements and with a separate duplex channel and simplex channel for the separate transport of the single sheets printed on both sides or on one side into a common output channel with a second turning station for the duplex sheets. The simplex channel has a paper storage device which stores a first single sheet printed on one side at least until a single sheet to be output via the output channel before this single sheet and printed on both sides has run through the duplex channel.
REFERENCES:
patent: 4593407 (1986-06-01), Konishi et al.
patent: 4696563 (1987-09-01), Shibusawa
Klapettek Gerhard
Kummel Klaus
Schneider Siegfried
Pendegrass Joan H.
Siemens Aktiengesellschaft
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