Safety notes Keep out of the reach of children Eye protection is recommended during useCleans blocked inkjet printers quickly and easily. Google 'Printhead Hospital' to see our instruction videosCompatibility notes? Not suitable for wide format printers (A2 and greater)? Not suitable for HP Officejet Pro 8xxx series printers e.g. 8600 ?? Compatible with all Epson, Canon and HP printers where the ink cartridges move during printing ?? Compatible with all Brother inkjet printers ? ?Printer must be clear of all error messages before use, including "clean printer head" ?? We recommend using fresh ink from a different supplier after cleaning: if your ink caused the blockage it can reclog the head during primingEach Kit contains ? 17 oz Printhead Cleaning Fluid ? Syringe ? Connector tubing ? 1 Pair HP/Canon adapters ? 1 Pair Nitrile Powder-free Gloves ? 4 sheets double-thickness blotting paper ? Laminated Instruction Card The kit works in 90% of cases and comes with troubleshooting notes.DisclaimerPrinter cleaning is successful 90% of the time, but does require a supply of fresh ink and carries a small risk of damage to the printer. As such, we recommend using cleaning when other methods (such as the inbuilt cleaning function) have already been tried, and when the printer has no functional use unless fixed. If the kit does not clean your printer, please contact us for advice; we will send a $15.00 refund if unsuccessful