US Patent 7771004 Printhead assemblies with individual capping assemblies

A print unit, that has one or more printhead assemblies, an individual printhead assembly having one or more printheads, the one or more printheads of the one or more printhead assemblies collectively configured to span the width of the media substrate; and one or more servicing assemblies, an individual servicing assembly configured for movement between a retracted position and a service position to service the one or more printheads on the individual printhead assembly.