WASTE INK ABSORBER, WASTE INK TANK, DROPLET DISCHARGE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a waste ink absorber having excellent permeability and retention.SOLUTION: A waste ink absorber 200 that absorbs waste ink discharged from a head for jetting ink has: a sparse portion 220 having a low density; and a dense portion 210 having a higher density than that of the sparse portion 220, and the sparse portion 220 and the dense portion 210 are alternately laminated obliquely when viewed in a side cross section of the waste ink absorber 200.