Appeal No. 2000-0154 Page 7
Application No. 08/942,954
heat transfer fixing station for fixing a second toner image
on a second side of the recording medium facing opposite the
first side by direct heating thermal contact between the
recording medium and at least one heating roller; a pre-
heating saddle along a running direction of the recording
medium for preheating the recording medium preceding the heat
transfer fixing station which fixes the second image. . . .”
Further similarly, independent claim 35 specifies in pertinent
part the following limitations: “fixing a first toner image on
a first side of a recording medium by direct heating thermal
contact between the recording medium and at least one heating
roller of a heat transfer fixing station; fixing a second
toner image on a second side of said recording medium opposite
said first side by direct heating thermal contact between the
recording medium and at least one heating roller of a heat
transfer fixing station; providing a pre-heating saddle
preceding the heat transfer fixing station which fixes the
second image, said pre-heating saddle preceding the heat
transfer fixing station for the second image in a running
direction of the recording medium. . . .” Accordingly, the
independent claims require inter alia fixing duplex toner
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