Transfer drum with shim member to reduce system velocity fluctua

Details Transfer drum with shim member to reduce system velocity fluctua Transfer drum with shim member to reduce system velocity fluctua

1992-10-05

1994-05-24

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355279, G03G 1514

Patent

active

053153553

ABSTRACT:
An imaging system includes an imaging member having an imaging surface on which transferable images are formed. Preferably the imaging member is a photoconductive drum. The system further includes a transfer drum having an outer surface adapted to receive and retain an image-receiver sheet having lead and trail edges. A shim member, preferably thinner than the image-receiver sheet, is positioned on the peripheral surface of the transfer drum adjacent the lead and/or trail edges of a retained image-receiver sheet. The shim member acts to reduce system velocity fluctuations which occur as the lead and trail edges of the image-receiver sheet, respectively, enter and leave a nip formed by the transfer drum and the imaging member.

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patent: 5150164 (1992-09-01), Shea

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