Xerox 4213 User Manual page 28

INSTALLATION
1-12
3. Remove and discard the packaging tape which holds the
print cartridge in position.
4. Remove the developer cartridge (C) from the package.
5. Hold the developer cartridge over a piece of paper in the
event any residual toner is present, and gently remove the
protective strip sealing the cartridge.
Caution: Failure to remove the protective strip before inserting
the developer cartridge will damage the printer.
XEROX 4213 LASER PRINTER USER GUIDE