US Patent 7195412 On-demand wallpaper printer having dryer

An on-demand wallpaper printer is provided comprising a pagewidth ink jet printhead for printing ink onto a media web moving along a path, a compartment arranged along the path downstream from the printhead so that the moving media web traverses the compartment and a source of heated air arranged above the compartment. The compartment has an opening configured so that the moving media web is able to descend into the compartment, as required, so as to adopt a suspended partial loop. The source of heated air is arranged above the opening and is operable to blow heated air through the opening into the compartment so as to dry printed ink on the suspended partial loop of the media web.