Electrostatic printing apparatus with heated adjustable pressure toner fixing rolls
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United States of America Patent
Stats
-
Jun 28, 1988
Grant Date -
N/A
app pub date -
Jun 4, 1986
filing date -
Jun 24, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrostatic printing apparatus capable of printing both normal sheets of paper and composites such as envelopes. In accordance with a mode in which normal sheets are printed and with the other mode in which envelopes are printed, transfer current applied to a transfer charger, fixing pressure applied to between a pair of fixing rollers, and heat generation of the heat source(s) in the fixing roller(s) can be changed respectively to those suitable for the sort of a transfer member. This change can be performed manually, or controlled automatically based on a signal issued from a member sorting sensor disposed in a paper supply portion.
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Cited Art Landscape
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