Premium Compatibles Inc Compatible Toner Cartridge Replacement for HP CF031A, (Cyan , 1-Pack) Include:one of each color (cyan). OEM Parts #:HP CE264A,CF031A, CF032A, CF033A Compatible Printer: HP Color LaserJet CM4540, CM4540f, CM4540fskm. 100% money back guarantee. Our toner cartridges are diligently re-engineered at our manufacturing facility to ensure the same print quality as brand name cartridge. Our high print quality and low prices are backed up with a 30 days return period and great customer service. This is a compatible or re-manufactured cartridges. It is NOT OEM products. We offer 100% SATISFACTION GUARANTEE if somethings not working as long as you think it should, well send you a free replacement or give you full refund within 6 month of purchase. APLUS is the only manufacturer and seller of this product listed. This listing is specifically created for the A Plus Toner of which we are the owner and distributor. This is a completely green product. All products are remanufactured back to new condition and are friendly to the environment. We save you money while helping the environment. WARNING: Avoid poor imitation products from other sellers; order directly from APLUS to receive the product listed and ensure quality. APLUS is the only manufacturer and seller of this product listed. This listing is specifically created for the APLUS brand, of which we are the owner and distributor.