Brother HL-2150N - Manual (Page 74)

Routine Maintenance
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5
g
Clean the primary corona wire inside the drum unit by gently sliding the green tab from right to left and
left to right several times.
CAUTION
Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
h Put the drum unit and toner cartridge assembly back in the printer. Close the front cover.
CAUTION
DO NOT turn off the printer power switch or open the front cover until the Ready LED lights up.
1