The same printing quality of compatible olivetti printer ribbon

Defective rate of the compatible olivetti printer ribbon  : We guarantee that all the black printer ribbon with the defective rate is below 1%. The color printer ribbon with the defective rate is below 2% . The same printing quality as original.
printer ribbon insure:
1. High quality ribbon cartridge, 99.99%+ good products, no qaulity headache...
2. For defective products in normal use within 1 year, we give 1: 1 replacement.
3. Fast delivery and considerate sales service all the time.