Printronix L5520 - Manual (Page 151)

Vacuuming The Printer
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7. Vacuum the fuser unit.
8. Vacuum the lamp housing filter on the end of the fuser unit.
CAUTION The transfer charger must be in the down position to avoid
scratching the drum. Failure to perform steps 9 and 10
damages the drum.
9. Rotate the transfer elevator drive shaft counterclockwise.
Watch the charger movement:
a. If the charger starts to move up, it is already in the down
position.
b. If the charger starts to move down, continue to rotate the
drive shaft until the charger reaches the complete down
position.
10. Lower the transport surface by pressing down on the green
lever on the transport unit.
11. Pull the transport unit toward you until it stops.
12. Using a vacuum, clean up the toner, paper dust, etc. Be sure to
clean under the transport unit as well.
13. Wipe off the dirt on the transport surface with wet tissue paper.
Make sure no paper debris is left on the surface.
Vacuum
Fuser
Unit