Cleaning The Printer - Brother MFC-8420 User Manual

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Cleaning the printer

Do not use isopropyl alcohol to remove dirt from the control

panel. It may crack the panel.

Do not use isopropyl alcohol to clean the laser scanner window.

Do not touch the scanner window with your finger.

The drum unit contains toner, so handle it carefully. If toner

scatters and your hands or clothes get dirty, immediately wipe or

wash it off with cold water.

Turn the MFC power switch off and open the front cover.

Remove the drum unit and toner cartridge assembly.

Just after you have used the MFC, some internal parts of the

machine are extremely HOT! When you open the front cover of the

MFC, never touch the shaded parts shown in the diagram below.

22 - 25 TROUBLESHOOTING AND ROUTINE MAINTENANCE