Why can't I find a print head for the PRO 7740? Even when I put in original cartridges, it says it's not original. Sometimes it doesn't recognise the colours, sometimes the black. What is the solution?
conny.schuerpf
2 years ago
Helpful answer
Good evening, had no problems, maybe repeat process several times.

Question

2 years ago

Helpful answer

Good evening, had no problems, maybe repeat process several times.

Accepted Answer

Good evening, had no problems, maybe repeat process several times.

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