Product name: Compatible 2550 (Q3970A/3971/3972/3973A)for HP toner cartridge

Suitable for:HP Laserjet  2550 / 2800 / 2820 / 2840 series

High quality original LG toner powder,Brand new (Crust,OPC,MR ,Chipset )and frist hand original toner are both available

1.100% guarantee---100% testing before deliver

2. Competitive price and high quality

3. 1:1 replace any defective products caused by our manufactured(only for black toner)

4. Fast delivery time(40HQ can de delivery within 7 working day)

5. Packing in bubble bag or standard ctn ,welcome OEM/ODM packing