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Original Publication Date: 1987-Oct-31
Included in the Prior Art Database: 2004-Apr-04

Publishing Venue

Xerox Disclosure Journal


Replaceable processing cartridges in electrostatographic printing machines have been the subject of increasing use and interest. Such cartridges may be of various designs containing processing components or supplies which at some point in time wear out or the supply is exhausted and are readily replaced with a new processing cartridge. The cartridge may contain one or more of the following elements a photoreceptor drum or belt, a developer, a charge corotron, a cleaning station, etc. Figure 1 illustrates a portion of a processing cartridge employing a photoreceptor belt 10 and having a cleaning housing 12 included in the processing cartridge. The cleaning housing includes a blade cleaner 14 and flap seal 16 fixedly mounted therein to mounts 18 and 20 respectively. It has been found in such a processing cartridge that a new photoreceptor belt in contact with a new cleaning blade may result in the blade tucking under the photoreceptor when the processing cartridge is inserted into the main body of the machine and drive motion is initiated. This action can result in severe damage to the blade edge rendering the cleaning system useless and possibly cause photoreceptor damage. Figures 1 and 2 indicate one technique in which this may be avoided wherein a small amount of a toner lubricant may be loaded into a reservoir 22 which is molded in the top cover of the cartridge. Upon completion of assembly of the cartridge, the cartridge would be rotated as indicated in Figure 2 and then rocked so that the lubricant becomes evenly distributed along the cleaning blade thereby lubricating the cleaning blade edge/photoreceptor belt interface during the manufacturing process.