Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koki Holdings Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Koki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Hitachi Koki Co LtdfiledCriticalHitachi Ltd
Priority to JP6468477ApriorityCriticalpatent/JPS54634A/en
Publication of JPS54634ApublicationCriticalpatent/JPS54634A/en
PURPOSE: To elongate the lifetime and to prevent a cleaning device from being blotted at its periphery by impressing a bias voltage upon a magnet brush such that toners are attracted from a photosensitive element to the brush side.