ld compatible toner-cartridge replacement for hp 81a cf281a (black, 2-pack) ld products save even more with our set of two compatible cf281a black laser toner cartridges. the ld compatible cf281a (hp 81a) black laser toner cartridges are professionally manufactured by ld products. these are not remanufactured cartridges and it was not manufactured by hp. these newly built cartridges from ld products may contain new and used parts. it is an excellent choice over costly oem hp cf281a (81a) black laser toner cartridges. our compatible cf281a black laser toner is guaranteed to deliver excellent, dependable results, page after page. the use of ld compatible hp cf281a black laser toner cartridges does not void your printers warranty. ld compatible cf281a black laser toner cartridges come with a two year 100% quality satisfaction guarantee. for use in the following printers: laserjet enterprise flow mfp m630dn, mfp m630z, mfp 630f & mfp 630h. we are the exclusive reseller of ld products brand of high quality printing supplies on amazon.