Brother HL-4570CDW - Page 115

Routine Maintenance
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h Slide the belt unit back into the machine. Make sure the belt unit is level and fits firmly into place.
i Make sure the green lock lever (1) is in the release position as shown in the illustration.
j Match the guide ends (2) of the drum unit to the c marks (1) on both sides of the machine, then gently
slide the drum unit into the machine until it stops at the green lock lever.
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