Patent ID: 6116720
Filing Date: 2000-09-12
Classification: B41J

Abstract:
A color ink jet recording method for recording by using yellow ink, magenta ink, cyan ink and first black ink having a relatively fast penetration velocity to a recording medium and second black ink having a relatively slow penetration velocity to the recording medium, comprising the steps of:discriminating between a black text and an image area on the basis of input image data;determining whether the black text is adjacent to the image area;deciding whether the black text is to be formed by the first black ink or the second black ink in accordance with the determination in said determining step;forming an image in accordance with the decision in said deciding step;wherein said deciding step decides to form the black text adjacent to the image area using the first black ink and decides to form the black text not adjacent to the image area using only the second black ink; andsaid forming step forms an image within the image area using the first black ink.