For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.
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By Tony KERLY on 2013-06-14 09:58:36
It is only 1 month old, is easy to fit and prints well and it prints well. As far as the life of the cartridge is concerned it is still too early to know.
By Geoffrey on 2012-05-14 08:59:39
I cannot keep repeating myself since I am 84 years old,recovering from a stroke and also aphasic. Although the products are excellent, I have great difficulty in writing further reviews Sorry!