Image formation system with swell correction

Details Image formation system with swell correction Image formation system with swell correction

1996-10-21

1998-04-14

Pendegrass, Joan H.

Electrophotography

Image formation

Transfer

399121, 399388, G03G 1516

Patent

active

057405123

ABSTRACT:
To bring a sheet 6 electrostatically into intimate contact with a conveyor belt 1 for transporting the sheet 6 by attraction means 60, a press roll 50A for pressing the sheet 6 against the conveyor belt 1 is disposed upstream from the attraction means 60. The press roll 50A is formed at the center with a large diameter part 51 for pressing the center of the sheet 6 stronger than both ends thereof. When transfer to the rear side of the sheet is executed at double-sided image formation, if both ends of the sheet 6 come in contact with the conveyor belt 1, the center of the sheet 6 is pressed strong, whereby deformation at the center is suppressed and a swell is smoothed out in the both-end direction. Relief parts at the rear end of the sheet are also prevented. Resultantly, the intimate contact property of the sheet 6 with the conveyor belt 1 is improved.

REFERENCES:
patent: 4864367 (1989-09-01), Nakahara et al.

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