Toner used in image forming apparatus

Details Toner used in image forming apparatus Toner used in image forming apparatus

2005-03-08

2005-03-08

Gordon, Raquel Yvette (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06863380

ABSTRACT:
Toner is for use in an image forming apparatus of the TonerJet method, which satisfies any one of the following conditions: a) toner in which the content of reverse-polarity large-diameter toner is 10% by count or smaller; b) toner in which the content of reverse-polarity fine-powder toner is 2% by count or smaller; c) toner comprising a silica additive and a titanium oxide additive such that the content x of the titanium oxide additive is in the range of 0<x≦1.5 wt %. For instance, when an image is formed using toner satisfying the condition a) above, that is, toner in which the content of reverse-polarity large-diameter toner is 10% by count or smaller, filming does not occur and an image having an excellent quality is formed (denoted with “◯”). On the other hand, when an image is formed using toner in which reverse-polarity large-diameter toner exceeds 10% by count, filming occurs and the quality of an image deteriorates (denoted with “X”).

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