Brother HL-4050CDN - Page 108

Routine Maintenance
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d Clean the corona wire as follows:
1 Push to release the latches of the white corona wire cover (1), and then open the cover.
2 Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and right
to left 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.
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