HP Upper Right Roll Support Z E1L21-67004 is a replacement roll support part for the DesignJet Z5400. It is identified in the parts documentation as the upper right support, giving a clear match for this position in the printer’s roll-support assembly.
The parts manual cross-references it to the Roll Support, Upper Right assembly. For service, the manual directs technicians to the T1300 replacement procedure. That instruction describes the service procedure; the documented compatible printer is the Z5400. The listing also identifies the DesignJet Z5400 PostScript printer as compatible.
This part is intended for the upper-right roll-support position. The cited sources do not specify its material, dimensions or package contents.