HP DesignJet 500, 510 and 800 42" Carriage Belt Kit C7770-60014. The Genuine HP Belt Kit includes the Tensioner, Pulley and Instructions.
THE 42" RELATES TO THE MAXIMUM PAPER WIDTH, NOT THE BELT, SO PLEASE CHECK BEFORE ORDERING
NOTE: The Rightparts compatible DesignJet belt kit is supplied with a new pulley. It does not include the tensioner or fitting instructions.