Yellow piece of paper masking taped to top of unit says "8400/8410 DATACASSETTE". White piece of paper scotch taped to top of unit says "Part NO. 8400/8410 DATACASSETTE, Location CKE6, Quantity 1, Date 5-11-94, Initials CV". White sticker affixed to top of unit says "8400/8410 DATACASSETTE, Techtran (S/N 10888), CKE6"