The striker has managed had ten appearances this season scoring once.
The 28 year old wants to find a new Championship club where he would stand a chance of fighting his way into the first team with Sheffield Wednesday sited a possibility.
The Hammers signed Maynard in January 2012 for a fee thought to be £2m on a two and a half year contract with an option for a further year. He made 17 appearances in all competitions in a Claret and Blue shirt scoring four goals. In August 2012, Maynard was sold to Cardiff City by West Ham for a small profit of £2.75m signing a three-year contract.