Laser printer with thermal fixing of toner

Details Laser printer with thermal fixing of toner Laser printer with thermal fixing of toner

1989-08-28

1990-08-14

Reinhart, Mark J.

Recorders

Combined with other non-recording devices

355285, 355290, 118 60, 118101, 118260, G01D 900, G03G 1500, B05C 100

Patent

active

049490966

ABSTRACT:
A laser printer with a thermal fixing unit comprises: a pair of heat and pressure rolls for pressing a sheet with a developed toner image therebetween to fix the toner image on the sheet; a web immersable with an oil; an oil coater for supplying the oil to the web and pressing the web against the heat roll at at least one point to make the web contact with the heat roll so that the oil is applied from the oil coater onto the surface of the heat roll through the web to thereby prevent occurrence of offset of the toner image; and at least one pressing member provided separately from the oil coater for locally urging the web against the heat roll, the pressing member being located on at least one of before and behind the oil coater.

REFERENCES:
patent: 4086871 (1978-05-01), Rydeen et al.
patent: 4751548 (1988-06-01), Lawson

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