advantage： 1.The printing quality and processing method are consistent with the original. 2.Equipped with the latest IC chip, it supports the remaining power display function, and the materials are environmentally friendly. 3.SIMPLEWORK has undergone comprehensive multiple print quality tests, and the ink cartridges print smoothly without clogging to ensure the best performance. 4.Thoroughly tested for color strength, SIMPLEWORK prints fast-drying documents, text and crisp graphics with professional blacks and vibrant colors, ensuring true-to-life printouts. 5.Any product inquiries will be replied to as soon as possible and satisfactory service will be provided to you. Cartridges Installation guides: Step 1: Remove the protective cover before installing and tear off the plastic tape. Step 2: Insert the ink cartridge into your printer. Notice: Do not touch the chips and nozzles. If you accidentally touch it, wipe it with an eraser or a dry, lint-free cloth. Tip: 1.Please wear gloves to prevent ink from getting on your hands. 2.Please clean the print head before printing. 3.These are non-genuine ink cartridges for North American printers only. Kind tips: 1.Before placing an order, please be sure to confirm your printer model. 2.Please remove the transparent cover and pull off plastic tape before installing these cartridges. (Don't touch the chip) 3.Printer screen pop up ‘Non-Original Cartridge'? Please just click ‘OK' and they will go ahead. 4.When occur an error message ‘Replace Cartridge' or 'Low ink' ? Please reinstall them and try, you can try up to 5 times. 5.When the low ink volume prompt appears for the first time, please press the Continue button to continue to use until you run out.