3) Include 2 Pieces of L3110 Waste Ink Collect Unit, With quality sponges in the box.
4) L3110 ink Maintenance Kit. Keep your printer have a fluent, stable and superb printing performance. Replace L3110 maintenance cartridge when your printer alerts. I
IMPORTANT TIPS: After replace the Ink Maintenance box, we have to get a key code and utility app to reset the Printer Waste Ink Counter to "0". You can get help from internet.