Patent ID: 9022543
Filing Date: 2015-05-05
Classification: B41J,B41M,C09D,Y10T

Abstract:
1. A method of printing comprising: depositing a first ink including first carbon black pigment units and a first binder upon a print medium, the first carbon black pigment units having a median dibutylphthalate absortion (DBP) of at least 95 cc/100 g, the first ink having a first ratio of the first carbon black pigment units to the first binder; and depositing on the print medium a second ink including second carbon black pigment units and a second binder, the second ink having a second ratio of the second carbon black pigment units to the second binder less than the first ratio, wherein the first ink and the second ink together have a median total weight per unit area is of at least 70 percent of an absorptive capacity of the print medium and overlap one another, and wherein the second ink is at least 54 percent of the total weight per unit area.