Konica Minolta bizhub PRO 958 Quick Manual page 185

5.2 When printing quality has deteriorated
5
Slowly insert the Printhead Cleaner all the way to the back
end of the Print Head Glass, and then slowly pull it out.
% Repeat this operation approximately three times.
6
Install the Waste Toner Box.
7
Close the Lower Front Door of the machine.
8
Place back the Printhead Cleaner to Tray 2.
9
Close Tray 2.
bizhub 758/PRO 958
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