HP Color LaserJet 9500 Printer series - Manual (Page 65)

ENWW What you can do to improve print quality 63
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Cleaning the post charger
Clean the post charger on the transfer belt if light streaks appear in halftone areas.
To clean the post charger
1 Open the upper-right door.
2 Locate the blue handle of the post charger cleaner on the front left of the
image transfer belt.
3 Gently slide the post charger cleaner to the right until it stops. The spring
should be compressed.
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