Machine coated
Paper that has the coating applied while on the paper machine at the paper mill.
Make ready
The process of setting up and adjusting a printing press for a particular ink, paper and specifications prior to printing. This includes adjusting the infeed, grippers and guides, adjusting ink for proper coverage, registering copy, and matching the printed piece with the proof to be sure everything is correct. Also referred to as set up. 2. The paper used while making all the necessary adjustments before printing the actual run. Also referred to as set up.
Mask
Using an opaque material to block out an area of an image or negative to prevent light exposure in that area.
Matt finish
Coated paper with a dull smooth finish.
Mechanical pulp
Pulp produced using a non-chemical process and instead using a grinding process. Papers made from mechanical pulp often have good opacity and bulk but yellow more quickly than paper produced from chemically made pulp. Newspapers are often printed on papers having a proportion of mechanical pulp.
Metallic Paper
Paper coated with a thin film containing metal or a thin film of plastic whose colour and gloss simulate metal.
Micrometer
An instrument used to determine thickness
Micron
A unit of measure equal to one millionth of a meter or .00004".
Mock Up
A rough visual of how a finished document will appear.
Mottle
Spotty or speckled printing due to uneven ink absorption. 2. Paper manufactured with a trace of heavily dyed fibres which are a different colour than the paper. Also referred to as granite paper.