Paper shall  be white  in  color,  with  good  strength  characteristics,  and of sufficient weight and substance to  eliminate  excessive  show-through when  printed  on both sides. In meeting these requirements, considerations shall be given  to  limiting  paper bulk. A form of printing shall be used which results in a black image suitable for reproduction. Copy density shall be uniform throughout the page.

Interim  changes,  except  microfilm  copy,   shall  be  printed   on  colored stock. Weight and substance may be governed by printing process used. (Note:  ATA uses blue for Alert Bulletins and yellow for Temporary Revisions ) .

All  text  shall  be prepared  in  10-  or 12-point  type. Type style shall be determined by the manufacturer preparing the manual based on the equipment available and good judgment. First, second and third level heads and captions should be distinctive in size and/or style.