About GRC T311 Black Ink Ribbon:

This offer is for one (1) black superior replacement correctable ribbon cartridge for the Canon AP-800 and the Nukote® B257.

Compatibility Chart:

These correctable replacement ribbon cartridges are compatible with a variety of POS, calculator and typewriter products:

• Canon: AP 740, AP780, AP800, AP810, AP810III, AP830, AP830III, AP850, AP850III, AP6110, AP6510, AP8000, AP8100, AP8300, AP8500, APS8000, VP6000