Patent · US Expired

Image forming apparatus and control arrangement for semi-automatic document feeding

US6122457A · kind A · utility

22Cited by
3References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 8, 1999
Grant dateSep 19, 2000
Priority date
Expiry dateApr 8, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/50
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus operable in a trial copy mode before a usual copying operation is disclosed. The apparatus includes a trial copy mode section for executing the trial copy mode for forming a document image on a recording medium in set conditions at least once and discharging it to a preselected destination. An automatic document feeding section is positioned above a glass platen mounted on the apparatus body for automatically feeding a document to the glass platen. A first copy starting section includes a start key for commanding the start of a copying operation or a trial copy key for commanding the execution of the trial copy mode. A second copy starting section determines, in response to a copy start command output from the first copy starting section, whether or not the document set on the automatic document feeding section is a single document and executes, if it is a single document and when the next document is set, an SADF (Semi Automatic Document Feeder) mode for starting copying the next document even if the start key is not pressed. A copy start control section selectively executes, in response to the copy start command and even if the document set on the autom…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.