Crossword Puzzle Bygone office equipment

Clue: Bygone office equipment

Office equipment giant (EPSON with 5 letters)
Post-office equipment (DATERS with 6 letters)
Big name in office equipment (EPSON with 5 letters)
Some office equipment (e.g. MACS with 4 letters)
Police officer's equipment (BILLYCLUB with 9 letters)
Piece of office equipment (STATLER with 7 letters)
Sgt. Friday's comment at the office equipment store? (JUSTTHEFAXMAAM with 14 letters)
Office equipment co. (NCR with 3 letters)
Cloned office equipment (IBMPCS with 6 letters)
Office equipment (e.g. COPIERS with 7 letters)