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AssigneeAgfa-Gevaert
InventorsGunther Schatka, Wilm Kruger, Rudolf Paulus, Boris Koleff, Erich Pattis, Karl Hartwig
Estimating the term…
The copier includes a fixing arrangement for the heat-treatment of copying material by means of a heating device, and a blower operative for keeping the heat of the fixing arrangement away from heat-sensitive components of the copier, particularly the copying drum, by establishing a flow of cooling air travelling along a first predetermined flow path. The safety arrangement includes a diverting device activatable for diverting at least part of the flow of cooling air established by the blower away from the first flow path and into a second flow path leading through the interior of the fixing arrangement to effect cooling of the interior of the fixing arrangement. A detecting device detects copier malfunction. A control unit connected to the diverting device and to the detecting device is operative in response to detection of copier malfunction for activating the diverting device, to prevent copying material in the fixing arrangement from becoming damaged or ignited due to overheating.
In an electrophotographic copier of the type comprised of a fixing arrangement for the heat-treatment of copying material by means of a heating device and a blower operative for keeping the heat of said fixing arrangement away from heat-sensitive components of the copier, in particular the copying drum, by establishing a flow of cooling air travelling along a first predetermined flow path, a safety arrangement comprising, in combination, diverting means activatable for diverting at least part of the flow of cooling air established by said blower away from said first flow path and into a second flow path leading through the interior of said fixing arrangement to effect cooling of the interior of said fixing arrangement;
In an electrophotographic copier comprised of a first section and a second section, blower means operative for keeping the heat of said first section away from said second section by establishing a flow of cooling air travelling along a first predetermined flow path;
Dependencies are inferred from the claim text.