公开(公告)号：BR102012022564A2

公开(公告)日：2013-11-12

申请号：BR102012022564

申请日：2012-09-06

Applicant: XEROX CORP

Inventor： GEARING MARK ,  ABBOTT STEPHEN J ,  MONAHAM LEE

IPC: G06Q10/06 ,  B41F33/00

Abstract: A method and system are disclosed for determining the end of life condition for a replaceable unit, which may be associated with a multifunction device, and have a useful life expectancy based upon a number of operations. A counter associated with the multifunction device maintains a running count of operations for the unit. Once the number of performed operations of the replaceable unit reaches a given percentage of the expected life of that unit, an analysis is performed on a running history of the fault codes. Once the number of fault codes attributable to any given replaceable unit meets or exceeds a predetermined level, such as a percentage of the running history, a notification is generated indicating a need to replace the replaceable unit.

公开(公告)号：GB2306394A

公开(公告)日：1997-05-07

申请号：GB9522280

申请日：1995-10-31

Applicant: XEROX CORP

Inventor： STEEN JAN VAN DER ,  VULLERS RUUD ,  KUIPERS MARCEL ,  LOGTENS JO ,  COOLEY RODERICK A ,  MILTON DEREK JOHN ,  TAYLOR ANDREW ,  ABBOTT STEPHEN J

IPC: G03G21/10 ,  G03G21/12 ,  G03G21/16 ,  G03G21/18

Abstract: A xerographic cassette (10) for a printing or copying machine includes a photoreceptor drum (11), a cleaning blade (15), and waste toner conveying means (20, 22, 23) for conveying waste toner cleaned off the photoreceptor drum by the cleaning blade, into the interior (21) of the photoreceptor drum for storage. The conveying means includes a flexible helical wire (20) which acts as an auger. A curved tube portion (23) of the conveying means passes through an auxiliary waste toner container (30), the tube being perforated to release toner into the auxiliary waste toner container. Once the auxiliary container is substantially full, waste toner is conveyed into the interior (21) of the photoreceptor drum. The auxiliary container (30) is provided with access means (38) to enable it to be emptied, thereby prolonging the useful life of the cassette. When the drum interior (21) and auxiliary container (30) are both full, waste toner builds up in container housing (16) which eventually activates switch (42) on top of the housing sending out a "replace cassette" signal.

公开(公告)号：GB2494536A

公开(公告)日：2013-03-13

申请号：GB201215999

申请日：2012-09-07

Applicant: XEROX CORP

Inventor： GEARING MARK ,  ABBOTT STEPHEN J ,  MONAHAN LEE

IPC: G07C3/00

Abstract: A computer implemented method for determining the end of life condition for a replaceable unit (such as an automatic handler roll, a fuser module or a paper feed roll), associated with a multifunction device, comprising a counter associated with the multifunction device maintaining a running count of operations for the unit. Once the number of performed operations of the replaceable unit reaches a given percentage of the expected life of that unit (218), an analysis is performed on a running history of the fault codes. Once the number of fault codes attributable to any given replaceable unit meets or exceeds a predetermined level, such as a percentage of the running history, a notification is generated indicating a need to replace the replaceable unit.