Sheet feeding or delivering – Feeding – Multiple supplies
Patent
1997-06-19
1999-09-28
Bollinger, David H.
Sheet feeding or delivering
Feeding
Multiple supplies
271 911, 271 913, B65H 344
Patent
active
059574461
ABSTRACT:
A sheet feeding apparatus includes a main body power source for selectively supplying power to sections of the apparatus and a sheet containing section for containing a plurality of sheets, and a manual sheet feeding entrance for feeding a sheet by manual operation. A sheet conveying path is provided in which the sheet containing section and the manual sheet feeding entrance are selectively used as a selective start position for feeding a sheet to the conveying path. A registration mechanism temporarily stops the sheet which is fed to the sheet conveying path and a registration sensor detects the sheet which is fed towards the registration mechanism, the registration sensor being disposed at a position wherein a sheet which is inserted into the manual sheet feeding entrance and a sheet conveyed from the sheet containing section are detected. A sheet feeding controller operates the registration mechanism after a predetermined time period has passed from a time when the sheet is detected by the registration sensor if the sheet is fed from the sheet containing section, and operates the registration mechanism after a predetermined time period has passed from a time when the sheet is detected by the registration sensor if the sheet is fed from the manual sheet feeding entrance after being inserted and detected by the registration sensor. A sheet jam judging unit judges an occurrence of a sheet jam if the sheet is detected by the registration sensor at an undesirable time other than at a time when the main body power source is turned on.
REFERENCES:
patent: 5308054 (1994-05-01), Sugito
patent: 5415387 (1995-05-01), Suzuki
patent: 5529298 (1996-06-01), Gough et al.
Bollinger David H.
Ricoh & Company, Ltd.
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