Inkjet printer comprising a discharge/heater roller

Details Inkjet printer comprising a discharge/heater roller Inkjet printer comprising a discharge/heater roller

2007-04-17

2007-04-17

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Medium and processing means

C347S101000

Reexamination Certificate

active

10667499

ABSTRACT:
An inkjet printer includes a print head forming an image by spraying ink from a nozzle towards a paper, a transfer unit for transferring the paper towards the print head, a discharge/heater roller being in contact with a side of the paper opposite to a side on which an image is formed by the print head for drying ink and discharging the paper, and one or more supporting rolls located above the discharge/heater roller and discharging paper together with the discharge/heater roller. The discharge/heater roller includes a heat-conductive cylindrical portion, a roller rubber covering the cylindrical portion and generating a friction force during discharging paper, and a heat-generator disposed on an inner surface of the cylindrical portion in an axial direction. The discharge/heater roller is disposed close to the print head, and the supporting roll includes a star wheel for minimizing a spread of ink on the image on the paper. The cylindrical portion is formed of an aluminum which has a heat-conductivity, and the heat-generator is a heater coil formed of nichrome wire.

REFERENCES:
patent: 5111250 (1992-05-01), Kashiwagi
patent: 5420621 (1995-05-01), Richtsmeier et al.
patent: 6004052 (1999-12-01), Muranaka
patent: 6029040 (2000-02-01), Yamada et al.
patent: 2002/0130939 (2002-09-01), Jacob
patent: 2003/0016269 (2003-01-01), Sekiya

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