| 摘要 |
PROBLEM TO BE SOLVED: To provide a quick dry ink jet recorder in which blur of outline can be suppressed without lowering the density at a high density part. SOLUTION: The ink jet recorder comprises a recording head 101 having a first black nozzle group ejecting first black ink having a relatively low rate of permeation into a recording medium and a second black nozzle group ejecting second black ink having a relatively high rate of permeation, an outline extracting means 201 for separating recording data into outline data and data in the outline, means 202 for storing the outline data, means 203 for storing data in the outline, a first black nozzle drive means 204 generating a drive signal fro ejecting the first black ink from the first black nozzle group 301, and a second black nozzle drive means 205 generating a drive signal fro ejecting the second black ink from the second black nozzle group 302.
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