Patent ID: 8016382

Claim:
An inkjet printer comprising a platen, which absorbs a pigment ink that overflows to the outside of the edge of a printing medium when edgeless printing is carried out on the printing medium by moving a printing head along a guide shaft and ejecting the ink from the printing head, wherein said platen is impregnated with a material consisting essentially of an oily solvent which is a monool or a polyol, said oily solvent having a melting point of 10° C. or lower and a boiling point of 150° C. or higher whereby the oily solvent is in a liquid state during printing at temperatures between 10° C. and 150° C. and pigment ink that overflows to the outside of the edge of the printing medium and falls onto an impact surface of the platen can flow to a side of the platen opposite the impact surface.