Method and apparatus for removing image forming substance from image holding member
US6095164A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1994 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Sep 22, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In a method and an apparatus for removing an image forming substance such as toner from an image holding member such as a sheet of transfer paper, a CCD sensor detects an unremoved image formed by a stamp, additional writing, etc. and left on the transfer paper sheet after toner separating processing is performed with respect to the transfer paper sheet by a liquid-providing toner-separating unit. A discriminating mark such as a punch, a mark o, etc. is additionally provided to the transfer paper sheet having the detected unremoved image by a discriminating mark providing unit. The transfer paper sheet having the discriminating mark is automatically sorted by a sorting unit and is discharged onto a paper discharging tray. The toner removing apparatus may have an unrecognizing device for blotting the unremoved image such as a seal print, a signature, etc. on the transfer paper sheet. The unrecognizing device may coat the unremoved image with ink having the same color as the unremoved image, or may punch the unremoved image. Thus, it is possible to prevent the transfer paper sheet having the unremoved image from being used or thrown away in error and prevent the unremoved image from …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.