Did they have anything marked on the ones you bought?

only something about “original rewards”…

If you can find a sticker/peel-away cardboard thing that has a code underneath it, and your toner is one of the following, it should work in this promo. :)

1. “Eligible HP Products” means HP new and original LaserJet Toner Cartridges originating from the Promoter, bearing the promotional tag for this Promotion and coded with any one of the following HP product codes: Q5950A, Q5951A, Q5952A, Q5953A, Q2670A, Q2681A, Q2682A, Q2683A, Q2671A, Q2672A, Q2673A, C9700A, C9701A, C9702A, C9703A, C4191A, C4192A, C4193A, C4194A, C9720A, C9721A, C9722A, C9723A, C9730A, C9731A, C9732A, C9733A, C4149A, C4150A, C4151A, C4152A, C8550A, C8551A, C8552A, C8553A, Q1338A, Q1338D, Q1339A, 92274A, Q5949A, Q5949X, Q5949XD, Q2613A, Q2613X, Q2624A, Q2610A, Q2610D, Q5942A, Q5942X, Q5942XD, Q2612A, Q2612L, Q6511A, Q6511XD, Q5945A, C4092A, C7115A, C7115X, C4096A, C4127A, C4127D, C4127X, C8061A, C8061D, C8061X, C3900A, C4129X, C3906A, C3906F, C3903A, C3903F, C3909A, C3909X, C4182X, C8543X, Q6470A, Q7581A, Q7582A, Q7583A, Q6471A, Q6472A, Q6473A, Q6000A, Q6001A, Q6002A, Q6003A, Q6460A, Q6461A, Q6462A, Q6463A, Q3960A, Q3961A, Q3962A, Q3963A, Q3971A, Q3972A, Q3973A, 92298A, 92298X, Q7550A, Q7560A, Q7561A, Q7562A, Q7563A, Q7516A, Q7570A, Q7551A, Q7551X, Q7553A, Q7553X, CB400A, CB401A, CB402A, CB403A, CB435A, CB436A.

There’s no sticker/peel-away thing on my boxes and I’ve checked the product codes already…thanks anyways :)