G - Physics – 03 – G
Patent
G - Physics
03
G
314/21
G03G 15/20 (2006.01) G03G 15/12 (1980.01)
Patent
CA 1150764
ELECTROGRAPHIC APPARATUS WITH CONTROL SYSTEM FOR FIXING POWDER IMAGES BY HEAT AND CONTRACT A B S T R A C T An electrographic apparatus by which powder images corresponding to electrostatic images can be formed on receiving material and fixed onto the receiving material by heat and contact is provided with a control system which regulates the quantity of receiving material transported to the fixing device per unit of time 80 as to keep the heat content of heated surface elements of the fixing device suited for the heat capacity of the receiving material even when receiving materials of different weights are used. The control system can also make the formation of either electrostatic or powder images dependent upon the existance of heat content in the fixing device suited for the heat capacity of the receiving material. In an appa- ratus employing sheets as the receiving material and pro- viding fixed time intervals for consecutive formations of electrostatic or powder images and for transport of sheets to receive the respective powder images, the control sys- tem can respond to a deficiency of heat content in the fixing device by causing one or a certain plurality of the fixed time intervals to lapse without image formation and sheet transport after each occurrence of one or a certain plurality of the time intervals with image formation and sheet transport.
374214
Oce-Nederland B.v.
Ridout & Maybee Llp
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