Electrophotographic printer

Details Electrophotographic printer Electrophotographic printer

1989-02-07

1990-02-20

Prescott, A. C.

Recorders

Electric recording

Electrochemical

355312, 355321, 271 94, 271 5, G03G 1500

Patent

active

049030477

ABSTRACT:
An electrophotographic printer having a photosensitive drum disposed in a body for transferring an electrostatically adhered toner to the lower surface of a sheet, a fixing unit disposed at the downstream side of the photosensitive drum for fixing the toner transferred to the sheet, and a suction conveying mechanism disposed between the photosensitive drum and the fixing unit for conveying the sheet transferred with the toner by the photosensitive drum by sucking the sheet transferred with the toner from above comprising a retaining roller rotatably pressed in contact with the lower surface of the conveyor belt of the suction conveying mechanism. Thus, the printer can positively and stably convey a sheet of all types including an envelope toward the fixing unit when the sheet transferred with a toner image to its lower surface is conveyed while the sheet is sucked from the upper surface.

REFERENCES:
patent: 3625508 (1971-12-01), Shiragai et al.
patent: 3826568 (1974-07-01), Hudson
patent: 4421306 (1983-12-01), Muka
patent: 4469319 (1984-09-01), Robb et al.
patent: 4589768 (1986-05-01), Iwata et al.
patent: 4664507 (1987-05-01), Fukae et al.
patent: 4703923 (1987-11-01), Anderson et al.

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