Image-forming apparatus having replaceable fusing roller and log

Details Image-forming apparatus having replaceable fusing roller and log Image-forming apparatus having replaceable fusing roller and log

1992-01-31

1993-05-25

Grimley, A. T.

Photocopying

Contact printing

Light boxes

219216, 355282, 432 60, G03G 1520

Patent

active

052144810

ABSTRACT:
Image-forming apparatus includes a fusing roller which is replaceable in the apparatus in a cartridge. The cartridge includes a temperature sensitive fuse which blows when it passes a temperature during the initial operation of the fusing roller. The unblown fuse is sensed by a receiving apparatus as an indication of a new cartridge which can be used to reset a counter keeping track of usage of the cartridge. The cartridge also includes a lamp for heating the fusing roller and one or more temperature sensors for sensing the fusing roller temperature. The fuse, lamp and sensors are automatically connectable by a leading end connector to the receiving apparatus as part of inserting the cartridge in the apparatus.

REFERENCES:
patent: 4127764 (1978-11-01), Minden
patent: 4782359 (1988-11-01), Tomoe
patent: 4839694 (1989-06-01), Kawashima et al.
patent: 4873549 (1989-10-01), Tada et al.
patent: 4939541 (1990-07-01), Sugiura
patent: 5021828 (1991-06-01), Yamaguchi et al.
patent: 5043764 (1991-08-01), Arnold et al.

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