Canon PIXMA MX394 Online Manual page 65

If you shake a FINE cartridge, ink may spill out and stain your hands and the surrounding area. Handle a FINE
cartridge carefully.
Be careful not to stain your hands and the surrounding area with ink on the removed protective tape.
Do not reattach the protective tape once you have removed it. Discard it according to the local laws and
regulations regarding disposal of consumables.
Do not touch the electrical contacts or print head nozzle on a FINE cartridge. The machine may not print
properly if you touch them.
5. Install the FINE cartridge.
(1) Insert the new FINE cartridge straight into the FINE cartridge holder all the way until it
touches the back.
The color FINE cartridge should be installed into the left slot and the black FINE cartridge should be installed into
the right slot.
Important
Insert the FINE cartridge gently so that it does not hit the electrical contacts on the FINE cartridge holder.
(2) Push up the ink cartridge lock lever to lock the FINE cartridge into place.
The FINE cartridge is locked into place when the ink cartridge lock lever clicks.
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