This listing includes 10 hinge assemblies, comprising part numbers 302S018610 and 302S018620.These components are designed to function as upper and lower hinges for printer models M2040, M2135, M2540, M2635, M2640, M2735, P2040, P2235, M5521, M5526, P5021, and P5026.The parts are manufactured to meet specifications for fit and , serving as direct replacements to restore standard functionality.Each unit is inspected prior to shipment to it meets dimensional and operational requirements for the compatible models listed.