Patent ID: 7556363

Claim:
An ink container comprising: a casing for accommodating ink, said casing including a cup portion provided with an ink supply port for supplying the ink to a recording head and a cap portion for covering said cup portion; an ink remaining amount detection module, provided on a bottom wall of said cup portion, for detecting a remaining amount of ink in said casing, wherein said ink remaining amount detection module comprises: a support substrate having first and second sides opposite to each other; a plurality of detection electrodes provided on the first side of said support substrate; readable and writable non-volatile information storing means also provided on the first side of said support substrate; and a plurality of contact electrodes provided on the second side of said support substrate, wherein said contact electrodes include a detection contact electrode electrically connected to at least one of said plurality of ink detection electrodes, and an element contact electrode electrically connected to a terminal of said information storing means, wherein said cup portion is provided with a recess in a position where said ink remaining amount detection module is provided, and a pair of through-holes extending through a wall of said cup portion at a position of said recess, and wherein the first side is faced inwardly of said casing so that said ink detection electrodes are exposed toward the ink and so that said information storing means is covered by a wall portion between said through-holes.