Medium supply apparatus with error detection

Details Medium supply apparatus with error detection Medium supply apparatus with error detection

1996-04-05

1998-12-15

Terrell, William E.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

271262, 27126504, 270 5202, B65H 714

Patent

active

058487891

ABSTRACT:
The medium supply apparatus includes a delivery passage. In the delivery passage, there is disposed a manual feed tray which, if a cut sheet is manually loaded there, feeds the cut sheet to the delivery passage. The manual feed tray includes a sensor which judges whether the cut sheet is present or not in the tray. When a medium thickness detecting device detects that the cut sheets are double or multiply fed, or when the sheet mark reader detects that the mark of the cut sheet is read in error, then the CPU stops the take-out of the cut sheet from a hopper by an air feed roller as well as the delivery of the cut sheet along the delivery passage. After such stop, if a signal from the sensor indicates that the cut sheet is present in the tray, then the cut sheet is fed to the delivery passage and is then delivered along the delivery passage. After this delivery, the stop of the take-out of the cut sheet from the hopper and the delivery of the cut sheet along the delivery passage is resumed.

REFERENCES:
patent: 3262696 (1966-07-01), Zuercher
patent: 4456127 (1984-06-01), Hams
patent: 5308436 (1994-05-01), Walter et al.

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