Detachable duplex copying unit for an image forming apparatus

Details Detachable duplex copying unit for an image forming apparatus Detachable duplex copying unit for an image forming apparatus

1994-11-18

1997-04-01

Bollinger, David H.

Sheet feeding or delivering

Feeding and delivering

271 319, 271 32, 271 65, 271301, B65H 522

Patent

active

056158726

ABSTRACT:
An operation/display panel is attached to an outer surface in front of a printer body, and a duplex unit is detachably attached between the operation panel and the outer surface of the printer body. The duplex unit functions to return the copy paper ejected from an ejecting outlet and having an image on one side thereof toward a paper feeding inlet of the printer body to provide two-sided copying/printing. The operation panel includes operating switches and/or a display, and is slidably mounted such that a space is provided between the operation panel and the printer body, and the duplex unit can then be inserted into the space when two-sided printing/copy is desired.

REFERENCES:
patent: 4605299 (1986-08-01), Mochimaru
patent: 4757344 (1988-07-01), Idenawa et al.
patent: 4875063 (1989-10-01), Idenawa et al.
patent: 4954848 (1990-09-01), Arima
patent: 4956678 (1990-09-01), Kiya et al.
patent: 5083170 (1992-01-01), Sawada et al.
patent: 5257068 (1993-10-01), Sawada et al.
patent: 5337134 (1994-08-01), Sato et al.

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