| 摘要 |
PROBLEM TO BE SOLVED: To obtain a desired black or color image even on an exclusive use paper or a plain paper and to particularly obtain a desired clear black image superior in water resistance and light resistance even on a plain paper. SOLUTION: This ink jet recorder comprises a recording head 101 having a first black nozzle group for ejecting a first black ink, a second black nozzle group for ejecting a second black ink and a color nozzle group for ejecting a color ink. The recorder further comprises a color separating means 201, a black image data memory means 202, a color image data memory means 203, a paper kind information memory means 204, a black nozzle driving means 205 that generates a driving signal for simultaneously or selectively ejecting the first and second black inks from the first and second black nozzle groups and a color nozzle driving means 206 that generates a driving signal for ejecting the color ink. |
