Xerographic apparatus having time controlled fusing

Details Xerographic apparatus having time controlled fusing Xerographic apparatus having time controlled fusing

1975-09-05

1977-02-08

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

219216, 355 3R, G03G 1500

Patent

active

040069850

ABSTRACT:
Xerographic apparatus for reproducing information on selected one of periodically presented documents includes: means for providing print signals time associated with the selected documents; a paper web; toner; and means for providing toner images, corresponding to information on selected documents, on successive sections of the web. The web passes through a fuser assembly whose temperature is sensed and controlled. Control is accomplished with: (1) means responsive to said print signals, for turning the fuser on for periods of time related to intervals of time occurring between successive print signals, each of said periods of time occurring during an interval immediately prior to the presentation of a toner image, related to the first of successive signals, to the fuser; (2) means for turning the fuser on upon presentation of a toner image to the fuser; and (3) means responsive to the temperature in the fuser for inhibiting means (1) and (2) to turn the fuser off after specific timer periods.

REFERENCES:
patent: 3398259 (1968-08-01), Tregay et al.
patent: 3505497 (1970-04-01), Lawes et al.
patent: 3588445 (1971-06-01), Hopkins
patent: 3735092 (1973-05-01), Traister
patent: 3745304 (1973-07-01), Hutner
patent: 3790747 (1974-02-01), Klavsons
patent: 3881085 (1975-04-01), Traister

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