To date, no problem with these cartridges. I have used 3 on 5 I installed 3 months ago and impressions are very good. Pictures may be slightly less than the brand cartridges but paying the 5 pack the same price one official, there is nothing to complain about.
Overall an excellent value for money.
PS: with the addition of compatible cartridges, it is advisable to do at least three impressions per week to prevent ink clog heads. Otherwise, hello white spirit and syringes ......
