Printing control device

Abstract

A printing control device includes a nozzle information obtainment unit that obtains the position of a discharge-failing nozzle which fails to discharge ink in a printing head which includes a plurality of nozzles discharging ink, a data generation unit that generates printing data in which a dot position which is the position of a dot constituting an image printed on a printing medium is associated with the amount of ink discharged to the dot position, and a data correction unit that specifies a second position which is adjacent to a first position where ink is discharged by the discharge-failing nozzle in the printing data on the basis of the position of the discharge-failing nozzle obtained and corrects the printing data so that the amount of ink which is greater than the amount of ink associated with the second position in the printing data generated is associated with the second position.

What is claimed is: 
     
         1 . A printing control device comprising:
 a nozzle information obtainment unit that obtains the position of a discharge-failing nozzle which fails to discharge ink in a printing head which includes a plurality of nozzles discharging ink on a printing medium;   a data generation unit that generates printing data in which a dot position which is the position of a dot constituting an image printed on the printing medium is associated with the amount of ink discharged to the dot position; and   a data correction unit that specifies a second position which is adjacent to a first position where ink is discharged by the discharge-failing nozzle in the printing data on the basis of the position of the discharge-failing nozzle obtained and corrects the printing data so that the amount of ink which is greater than the amount of ink associated with the second position in the printing data generated is associated with the second position, wherein:
 the data correction unit specifies positions between which the first position is interposed along a transport direction of the printing medium as the second position. 
   
     
     
         2 . The printing control device according to  claim 1 ,
 wherein the data correction unit corrects the printing data so that ink is discharged multiple times to the second position.   
     
     
         3 . A printing control device comprising:
 a nozzle information obtainment unit that obtains the position of a discharge-failing nozzle which fails to discharge ink in a printing head which includes a plurality of nozzles discharging ink on a printing medium;   a data generation unit that generates printing data in which a dot position which is the position of a dot constituting an image printed on the printing medium is associated with the amount of ink discharged to the dot position; and   a data correction unit that specifies a second position which is adjacent to a first position where ink is discharged by the discharge-failing nozzle in the printing data on the basis of the position of the discharge-failing nozzle obtained and corrects the printing data so that the amount of ink which is greater than the amount of ink associated with the second position in the printing data generated is associated with the second position, wherein:
 the data correction unit corrects the printing data so that ink is discharged multiple times to the second position.