STRONG CLEANING & PRINT HEAD PROTECTION. The inkjet printer head repair unclog cleaning kit contains enzymes, which can strongly dissolve and clean dry ink, as well as wet and protect the print head. WIDE RANGE OF COMPATIBILITY. The blocked printer head cleaning kit can be used for OEM/factory ink, dye, sublimation ink, heat transfer ink . Applicable for pigment inks if the blockage is less than 2 months old. Print Head Cleaning solution for officejet deskjet photosmart. THE PRINTER HEAD NOZZLE CLEANER SOLUTION is formulated for HP printer 8620 8610 8600 6830 6712 6700 6600 6500 5520 940 920 Pro 6968 Pro 6835, Canon Pro 10 Pro 100 MX922 S450, Brother MG7120 MG6320 MFC-6890CDW MFC-J880DW MFC-J6920DW J265 and Lexmark printers. FOR INKJET PRINTERS & EASY TO CLEAN. The printer head cleaner is for HP, Brother and Canon inkjet printers. Free cleaning tools(syringe, silicone hose, 1 pair gloves, instructions) help the cleaning more convenient and easier. If it doesn’t work, just apply for a full refund . (The effectiveness of the cleaner is determined by the length of inactivity of your printer) No need to disassemble the print head. Simple operation.