Toner Tap Refill Kit for HP 4200/4250/4300/4345 Q1338X/1339A/5942X/5945A (20K) (4-PACK) W/CHIP Clean recycable refill bottle toner for HP 4200 Includes Chip for printing up to 20,000 pages Includes toner powder prints up to 20,000 pages at 5% coverage Size of chips and bottles may vary from those shown in picture Inludes step by step DIY refill instruction, includes pair of latex glove