Brother MFC4820C Service Manual page 77

CHAPTER 5 ROUTINE MAINTENANCE
5.1 CLEANING .......................................................................................................................5-1
5.1.1 Cleaning the Exterior of the Machine ...................................................................5-1
5.1.2 Cleaning the Scanner Glass.................................................................................5-1
5.1.3 Cleaning the Purge Unit .......................................................................................5-2
5.1.4 Cleaning the Print Head Unit................................................................................5-3
5.2 REPLACING THE INK CARTRIDGES ............................................................................5-4
5.2.1 Replacing the Ink Cartridge..................................................................................5-4
5.2.2 Checking the Ink Volume .....................................................................................5-6
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