Canon FORMULA CR-50 Operation & Maintenance Manual page 19

4
Push back the ink cartridge lock lever in the direction of
the arrow in the diagram below, and pull out the ink
cartridge by grasping the tab as shown in the diagram.
CAUTION
Do not touch the ink jet nozzle right after imprinting. The nozzle
may be very hot.
5
Place the ink cartridge shown in the diagram below.
CAUTION
Do not touch the electrical contact on the carriage. Doing so may
cause a malfunction.
NOTE
Do not use more than one cartridge by rotation. If you do so,
applications cannot check the ink level precisely.
6
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
19
If the cartridge does not
load properly, see step 7.