Transfer roll engagement method for minimizing media induced...

Details Transfer roll engagement method for minimizing media induced... Transfer roll engagement method for minimizing media induced...

2006-06-20

2006-06-20

Grimley, Arthur T. (Department: 2852)

Electrophotography

Control of electrophotography process

Control of transfer

C399S036000, C399S167000

Reexamination Certificate

active

07065308

ABSTRACT:
A method of maintaining a rotational velocity of an imaging drum during engagement with a transfer roll in an image producing device including: forming a nip to transfer an image from the imaging drum to media when the imaging drum is in engagement with the transfer roll; maintaining a substantially constant imaging drum rotational velocity mode during engagement with the transfer roll; sensing a lead edge of portion of the media prior to entering the nip; augmenting torque assist to increase the torque of the transfer roll when the media is in the nip for a defined period; and resuming the substantially constant imaging drum rotational velocity mode while a second portion of the media is in the nip.

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English abstract for Japanese Patent Application No. 2002119834 from the European Patent Office.
English abstract for Japanese Patent Application No. 11365541 from the European Patent Office.

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