3) Hold the EP-L cartridge as shown below, then rock it gently back and forth
about 45 degrees in each direction, about 5 or 6 times. This will re-
distribute the toner inside the cartridge.
4) Replace the EP-L cartridge in the printer, then close the side cover.
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If vertical white streaks still appear after the toner inside the cartridge has
been re-distributed, the cartridge needs to be replaced. See “2.2 Installing the
EP-L cartridge” for replacing the cartridge.
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