Vacuum the filter, then install it, Vacuum any paper dust from the printer frame – Printronix L5520 User Manual
Page 163
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Cleaning The Fuser Unit Cover Glass
163
11. Remove the two screws that secure the filter housing to the
filter, then remove the filter.
12. Vacuum the filter, then install it.
13. Vacuum any paper dust from the printer frame.
14. Install the fuser, making sure that the guide pins in the screw
bracket align with the holes in the side frame of the printer.
Fuser
Unit
Filter
Plate
Filter
Filter
Housing
Screw
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