Image forming apparatus with flash fixing

Details Image forming apparatus with flash fixing Image forming apparatus with flash fixing

1995-06-06

1996-05-28

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

219216, G03G 1520

Patent

active

055216897

ABSTRACT:
Disclosed is an image forming apparatus for forming an image on a sheet. The image forming apparatus comprises a unit for forming a toner image on the sheet and a flash fixing unit for fixing the toner image onto the sheet by an emission of light from a flash lamp. The flash fixing unit includes a first unit having a first flash lamp disposed at the center and a second unit having second flash lamps disposed on both sides of the first flash lamp and exhibiting a light emitting energy larger than a light emitting energy of the first unit. The second flash lamps disposed at a pitch smaller than the pitch at which the first lamps are disposed. With this construction, the fixing energies at both ends of the flash fixing unit increase, and the fixing energy at the center decreases. It is therefore possible to prevent an ill-fixed state and improve a fixing efficiency.

REFERENCES:
patent: 3832524 (1974-08-01), Takiguchi

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