HP C309 - Manual (Page 49)

The print carriage moves to the center of the product.
NOTE: Wait until the print carriage stops moving before proceeding.
4. Press the tab on the front of the cartridge to release it, and then remove it from the
slot.
CAUTION: Do not lift the latch handle on the print carriage to remove the
cartridges.
5. Remove the new cartridge from its packaging by pulling the orange pull-tab straight
back to remove the plastic wrap from the cartridge.
NOTE: Make sure you remove the plastic wrap from the cartridge before
installing it in the product, or printing will fail.
Replace the cartridges 47
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