HP E4J56B, 598.4" (15.2 m), 42" (106.7 cm), Matt, 396 µm, 390 g/m² HP E4J56B. Roll length: 598.4" (15.2 m), Roll width: 42" (106.7 cm), Finish type: Matt, Printing media thickness: 396 µm, Print media weight: 390 g/m²