Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2008-04-22
2008-04-22
Vo, Anh T. N. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S086000
Reexamination Certificate
active
10874333
ABSTRACT:
The ink cartridge has a first detection target portion for detecting ink level and a second detection target portion for identifying the type of an ink cartridge. The ink level detection device uses an optical sensor to scan the first and second detection target portions of the ink cartridge, and detects ink level and the type of the ink cartridge, that is, whether the ink cartridge is containing standard amount of ink or large amount of ink. Therefore, the number of image formation on recording media can be estimated, and failure in image formation due to a shortage of ink in the middle of image formation can be inhibited.
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Akagi Koji
Hayamizu Kazuhiro
Sawaki Yukichi
Yamada Masatoshi
Brother Kogyo Kabushiki Kaisha
Vo Anh T. N.
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