Rubber timing gear T1.36,

HP 6602-001581 rubber timing gear belt is a replacement printer mechanism part for drive and duplex assemblies. It is identified by its exact part number, so it can be distinguished from other timing belts in a parts catalogue.

The belt has a T1.36 profile and a specified length of 168 mm. The parts list describes it as black rubber. These details identify its listed construction and size for servicing the mechanism.

It is a compact service component intended for printer repair or maintenance. The available parts information does not establish compatible printer models or package contents.