Incremental printing of symbolic information – Electric marking apparatus or processes – Electrostatic
Reexamination Certificate
2007-10-02
2007-10-02
Tran, Huan (Department: 2861)
Incremental printing of symbolic information
Electric marking apparatus or processes
Electrostatic
C399S323000
Reexamination Certificate
active
10543190
ABSTRACT:
A fixing apparatus is provided that enables a recording medium that has undergone heat-fixing to be separated smoothly from a heating medium without causing a sheet jam or image disturbance. In this apparatus, there are provided on the guide surface of a separator two step parts raised along the guide surface guide width direction. Recording paper is transported gripped by a fixing nip, is guided so as to come into contact with only the apex parts of step parts, and is separated from the surface of a fixing belt. Thus, a gap is formed between the guide surface and the heat-fixing surface of recording paper guided along the guide surface, the contact area between the heat-fixing surface of recording paper and the guide surface decreases, the heat-fixing surface of recording paper becomes less prone to adhere to the guide surface of the separator, and recording paper is smoothly separated from the fixing belt without causing a sheet jam or image disturbance.
REFERENCES:
patent: 7149463 (2006-12-01), Fujisawa et al.
patent: 7-181826 (1995-07-01), None
patent: 9-222813 (1997-08-01), None
patent: 11-184300 (1999-07-01), None
patent: 2003-215967 (2003-07-01), None
English language Abstract of JP 2003-215967.
English language Abstract of JP 7-181826.
English language Abstract of JP 9-222813.
English language Abstract of JP 11-184300.
Kitagawa Shoichi
Matsuo Kazunori
Matsuzaki Keiichi
Samei Masahiro
Shimizu Tadafumi
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