A roller intended to be in contact with toner particles is provided with a cured resin layer having homogeneously dispersed carbon black aggregates and having a thickness of less than 200 m, whereby the carbon black aggregates have a weight average size lower than 30 m, a DPB absorption of more than 110 ml/100 g, a BET-surface area greater than 250 m2/g, and coated with an amino silane compound.

 
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