Ribbon

Black ribbon cartridge #7753:

 

Life expectancy:

 

In LQ at 48 dots/character: 2 million

 

characters

 

In draft, at 28 dots/character: 3.42

 

million characters

 

Film ribbon cartridge #7768 (optional):

 

Life expectancy (in LQ, at 48 dots/character):

 

0.2 million characters

MTBF:

4000 power-on hours

Print head life:

200 million strokes per wire (with fabric ribbon)

100 million strokes per wire (with film ribbon)

Dimensions and weight:

Technical Specifications 7-9