These printers use the 81-9701-970 cartridge:

Burroughs-Unisys UDS 9712

Burroughs-Unisys UDS 9716

Burroughs-Unisys UDS 9718

Burroughs-Unisys UDS 9724

Data-General 6955

Data-General 6964

Data-General 6970

Gestetner 6312

Gestetner 6316

Gestetner 6318 Plus

Gestetner 6324

Gestetner 6324 Plus

Lexmark Optra 2000

Lexmark Optra S-1000

Lexmark Optra S-1250

Lexmark Optra S-1250 N

Lexmark Optra S-1255

Lexmark Optra S-1255 N

Lexmark Optra S-1620

Lexmark Optra S-1620 N

Lexmark Optra S-1625

Lexmark Optra S-1625 N

Lexmark Optra S-1625 N Solaris

Lexmark Optra S-1650

Lexmark Optra S-1650 N

Lexmark Optra S-1855

Lexmark Optra S-1855 N

Lexmark Optra S-2420

Lexmark Optra S-2420 N

Lexmark Optra S-2450

Lexmark Optra S-2450 N

Lexmark Optra S-2455

Lexmark Optra S-2455 N

Lexmark Optra S-4059

Lexmark Optra S Series (All Models)

Lexmark OptraImage S

Tally T 9024

Tally T 9024 N

Tally-Genicom T 9024

Tally-Genicom T 9024 N