8218Learn how to setup your HP OfficeJet Pro 8218 Printer. These steps include unpacking, installing ink cartridges & software. Also find setup troubleshooting videos.8218 PUMPAC BRG. Duplex Type. Back-to-back. Element Material. Bearing steel. Fillet Radius. 2 mm. Finish Coating. Uncoated. Inner Ring Width. 60 mm. Internal Clearance.