MFC-L2740DW
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FAQ et Diagnostic |
Clean the drum unit
If your printout has dots or other repeating marks at 94 mm (3.7 in.) intervals, the drum may have foreign material, such as glue from a label stuck on the drum surface. Follow the steps below to clean the drum unit.
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Open the front cover.
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Remove the toner cartridge and drum unit assembly from the machine.
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Push down the green lock lever and take the toner cartridge out of the drum unit.
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Turn the drum unit as shown in the illustration. Make sure that the drum unit gear is on the left side.
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Turn the edge of the drum unit toward you by hand while looking at surface of the suspected area.
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Wipe the surface of the drum gently with a dry cotton swab until the mark on the surface comes off.
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Put the toner cartridge firmly into the drum unit until you hear it lock into place.
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Install the toner cartridge and drum unit assembly back into the machine.
- Close the front cover of the machine.
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