Related Clues:

• An SASE may accompany one
• Common pg. size
• Init.
• One photocopier tray: Abbr.
• Quaint communication: Abbr.
• PO item
• Photocopier tray size: Abbr.
• Photocopier option: Abbr.
• Abbr. on a copier tray
• Copier abbr.
• A, e.g.: Abbr.
• Many a grade: Abbr.
• Copier paper setting: Abbr.
• Photocopier abbr.
• Env. insert