Hi again
I have a similar problem as Hadster has in this post:
Ricoh MPC5501 White spots in solid area
The difference is that I have it in a Ricoh Pro C900, so I guess that it cant be the transfer roller, because other colors (CMY) appear correctly printed. I have replaced the black developer (with only 200.000 copies, 25% of its capacity) but it didnt worked. The white spots keeps appearing, specially in low gray tones. The lighter is the gray, the more spots appear.
What can it be?, the drum is almost new too, the developer is new... and the ITB and transfer well are working well with other colors.
Thanks in advance. Best regards.
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