we completely disassemble the laser cartridge, thoroughly clean it & replace all worn out components before filling it with toner. Laser toner cartridge refilling goes through a stringent 9 step refilling process which starts from collecting empty laser cartridges, manual inspection, electronic inspection, removing old toner, toner filling, manual test, print test, packaging & delivery. Each and every cartridge undergoes a stringent quality and yield testing before delivering to he customers. The print quality of our reconditioned Laser cartridges is almost equivalent to original and the page yield also matches the original specifications. Our refilled laser cartridges can be recycled several times and every time you get print quality like original. Recycling of cartridges help in saving nature by reducing e-waste and conserving natural resources.