Brother HL-4040CDN - Manual (Page 113)

Routine Maintenance
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6
3 Close the corona wire cover.
4 Repeat steps 1 to 3 to clean each of three remaining corona wires.
e
Unpack the new toner cartridge. Hold the cartridge with both hands and gently rock it five or six times to
spread the toner evenly inside the cartridge.
f
Remove the protective cover.
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2
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