Hewlett-Packard large-format printing materials are guaranteed to meet HP published specifications, to be free of manufacturing flaws and defects, and are designed to resist paper jams when used correctly.standard statement: Hewlett-Packard large-format printing materials are guaranteed to meet HP published specifications, to be free of manufacturing flaws and defects, and are designed to resist paper jams when used correctly. If you are not satisfied with this product for any reason, please visit /go/designjet/supplies, and select HP product support center to locate product support in your region.