Cara Mengatasi 121.04 Service Engine Error pada LexMark X950de

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[@nsimbapaulofaguade8919]

I need your help please.
I have the same problem in Lexmark Zs955de
121.04 Service engine error.
How Can i change de Dc controll?

[@user-vo6up3cz7d]

bang klw service engine error 113.01 mesin lexmark ,,, itu masalah nyha ap yah

[@nurcell4461]

Bang punyanya sudah bagus apa blum

[@vaibhavkarar8858]

How to change the developer unit

[@firdarihadatunnafisyah7060]

Beli dc control nya dimana ya mas?