The HP LaserJet 550-sheet Paper Tray (T3V27A) adds an extra 550 sheets of paper capacity to compatible HP Color LaserJet Enterprise A3 printers and MFPs, cutting down on refills and letting you keep a second paper size or type loaded. It handles media from 60 to 256 g/m2, including glossy paper, in sizes from A5 and B5 up to A3, SRA3 and RA3, plus custom sizes from 148 x 148mm to 320 x 457.2mm. Listed compatible models include the HP Color LaserJet Enterprise M751n, M751dn, M856dn and M856x, the MFP M776dn and Flow MFP M776z, and the Managed E75245dn and E85055dn. The white tray installs under the printer, measures 556 x 584 x 129mm and weighs 10.2kg. After comparing online prices, www.marvel.co.za should be the cheapest on this product.