Canon imageFORMULA CR-80 Instructions Manual page 26

NOTE
Do not use more than one cartridge by rotation. If you do so, applications
cannot check the ink level precisely.
Push down the ink cartridge until it clicks into place.
IMPORTANT
Make sure that the ink cartridge lock lever locks the ink cartridge into the
correct position.
Ink Cartridge Lock Lever
26
If the cartridge does not
load properly, see step 7.
Squeeze the Print Position Adjustment Lever and move it to
adjust the print position.
Top:
50.5 mm (1.99") from the bottom edge of
the document
Middle:
47 mm (1.85") from the bottom edge of
the document
Bottom:
43.5 mm (1.71") from the bottom edge of
the document
If the ink head drops back when installed, the two ink cartridge pins will
not fit into the holes on the carriage. Push back the ink cartridge lock
lever a in the direction of the arrow and reset the cartridge in the
correct position b.
Ink Cartridge Ink Cartridge
Holes Pins