L-6534VW Operation Guide Mixing and Replacing Ink Cartridges E Remove the used ink cartridge. F Install the new ink cartridge. Align the ink supply port on the top of the ink cartridge with the groove on the case, align the projections on either side of the hole on the case, and then press. G Close the ink cartridge case cover. H Shake the ink cartridge by holding the handle at the front and sliding the entire ink cartridge tray in and out by approximately 10 cm at a time. If there is a label on the ink cartridge case cover, follow the arrows on the label to insert and remove the ink cartridge tray. 235