Brother MFC4450 Owner's Manual page 139

MFC 4450/OP-US-5.0
7 . Place any documents (manual and printed materials) and the drum unit and toner
cartridge assembly into the carton box as shown below. If you are shipping the
MFC, insert your documentation explaining the reason.
8 . Close the carton box and tape it shut.
REGULAR MAINTENANCE
13-5