Dual mode oil applying blade for applying different oil rates depending on operating mode of an image creation apparatus
AssigneeXerox Corporation
InventorsPaul M. Fromm, Rabin Moser
Life of this patent
Estimating the term…
Abstract
A release agent management (RAM) system including a metering roll supported for contact with release agent material contained in a sump. A donor roll is provided for applying oil deposited thereon by the metering roll. A metering blade structure for metering silicone oil onto the metering roll has two modes of operation. In one mode, a wiping action of a metering blade meters a relatively large quantity of silicone oil to the roll surface for accommodating the fusing of color toner images. In another mode of operation, a doctoring action is effected for metering a relatively small amount of silicone oil to the roll surface for accommodating the fusing of black toner images.
Claims14
Apparatus for applying offset preventing liquid to one member of a contact fuser for fixing powder images to a substrate wherein the contact fuser includes a supply of release agent material, a release agent metering member supported for contact with said supply of release agent material and a donor member contacting the metering member and a fuser member, said apparatus comprising:
- a release agent metering member supported for movement in an endless path and contact with a supply of release agent material;
- a blade structure for pressure contacting said metering member in a first mode of operation for applying a predetermined quantity of release agent material to the surface of said metering member and for pressure contacting said metering member in a second mode of operation for metering a quantity of release agent material to said metering member which is less than said predetermined quantity of release agent material.
A method of applying offset preventing liquid to one member of a contact fuser for fixing powder images to a substrate wherein the contact fuser includes a supply of release agent material, a release agent metering member supported for contact with said supply of release agent material and a donor member contacting the metering member and a fuser member, said method including the steps of:
- supporting a metering member for movement in an endless path while contacting a supply of release agent material;
- in a first mode of operation, applying a predetermined quantity of release agent material to the surface of said metering member with a blade structure and in a second mode of operation, applying a quantity of release agent material to said metering member with said blade structure which is less than said predetermined quantity of release agent material.
Dependencies are inferred from the claim text.