Brother MFC-J430W: fit LC73 cartridges

Match the front colour slots and confirm only a genuinely new replacement.

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Fit the indicated colour

Open the front ink-cartridge cover and press the release lever for the colour shown on the display. Remove that cartridge.
Follow its replacement’s packaging instructions. On Brother’s orange packing with a green release lever, turn the lever clockwise until it clicks, then remove the packing; not every replacement uses that design.
Insert the cartridge in the arrow’s direction and correct colour slot. Push the area marked PUSH gently until it clicks. Close the cover.
If asked whether you changed a colour, answer Yes only for the new replacement you installed. Answer No for a used cartridge you put back.

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