Canon BJC 7000 - Manual (Page 67)

4
Pack the
printer.
o Pack the printer in its original box with the packing supports.
o Make sure the box is marked FRAGILE or HANDLE WITH
CARE.
o Do not remove the BJ cartridge from the printer or ship a BJ
cartridge or a BJ tank from which you have removed the
protective cap. An opened BJ cartridge or BJ tank that is not
installed in the printer (or in the Ink Cartridge Storage Box) may
leak, and the print head may dry out.