Patent ID: 8377259

Claim:
A process for preparing a coated printing paper having a surface roughness of 2.0 μm or less, comprising the steps of: making a base paper from a raw material containing a hardwood-derived mechanical pulp (LMP) representing 5-80% by weight of pulps in the raw material; and applying a coating solution containing a pigment and an adhesive by an on-machine coater to provide a coating layer; wherein said steps are continuously performed on machine, said hardwood-derived mechanical pulp (LMP) being a chemithermomechanical pulp (CTMP) in which 95% by weight or more of fibers passes through a 24-mesh screen and 20% by weight or more and 60% by weigh or less of fibers does not pass through a 42-mesh screen when determined according to JIS P8207, and said hardwood-derived mechanical pulp (LMP) derived from Eucalyptus urograndis and/or Eucalyptus globules having a volume weight of 450 kg/m 3 or more.