638900919- GMP Excelam Plus Main PC Board • Main PC Circuit Board for GMP 655, 655R, 1080, 1080R • Main PC Circuit Board for KLAI-Co's WRL-4000-PRO-DUEL 40" Roll Laminator • Fits all roll laminators with serial numbers that start with "HJ" (Machines sold after 1/2022). If your machine is older that 2022, you will need to order a new control board, item 638900917, to match up with the 638900919 Main PC Board. • Board Only