Canon BJC-55 - Manual (Page 73)

TO AVOID DROPPING AN INK CARTRIDGE AND SPILLING INK ON
YOUR HANDS, CLOTHING, OR AROUND THE WORK AREA,
ALWAYS HANDLE INK CARTRIDGES WITH CARE. INK STAINS
CANNOT BE REMOVED FROM FABRIC.
6.
Position the new ink cartridge so that its filter is on the bottom, and
insert it as shown in the illustration below.
71 Chapter 5 Daily Operation and Printer Maintenance
5
Insert the ink cartridge
to align the marks
(
).
BCI-11/BCI-12
BCI-10
Do not touch or insert
anything into this filter.
Do not touch or insert
anything into these filters.