Paper pressing force controller for a printer

Details Paper pressing force controller for a printer Paper pressing force controller for a printer

1998-07-15

1999-12-14

Moses, Richard

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

399308, 399318, 399389, G03G 1500, G03G 1516, G03G 1514

Patent

active

060028912

ABSTRACT:
A paper pressing force controller of a printer includes a pressing roller that contacts a transfer roller for receiving a paper sheet therebetween. Guide rollers supply the paper sheet between the transfer roller and the pressing roller and a pressure sensing unit senses the pressure variations according to the thickness variations of the paper sheet supplied between the guide rollers. A pressure changing unit controls a pressing force of the pressing roller against the paper sheet by moving the pressing roller vertically with respect to the transfer roller.

REFERENCES:
patent: 5835832 (1998-11-01), Rimai et al.

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