Magic Bullet Print Head Cleaner and Unblocker Kit Used by professional printer technicians - works on all Epson desktop printers with ink cartridge located on print head. Easy to use - Comes complete with full instructions Flushes the printer head clean and removes internal ink build up in one action A specially formulated surfactant that quickly breaks down dried inks and restores blocked printer heads to life Unlike most printer cleaning products Magic Bullet DOES NOT contain IPA which can damage your printer