Brother HL-2600CN Service Manual page 182

4) Clean the discharger case housing with a cotton cloth.
5) Clean the corona wire and the inside of the charger case with a cotton swab.
6) Re-install the charger unit into the transfer unit 2.
Do not break the corona wire while cleaning the paper discharger unit.
Fig.6-6
Cotton swab
Corona wire
Fig.6-7
CAUTION
VI-11