This input option includes 2 trays that each support up to 1,000 sheets of 75 gsm paper for a total of 2,000 sheets of additional input | Media support- Supports Letter, A4, and B5 sizes for card stock and various plain, recycled and bond papers | Location- This input option is installed directly below the printer. It raises the printer to the correct height to support the 2,000-Sheet Tray (sidecar) and/or one of the following- Staple Hole Punch Finisher; or Booklet Staple Hole Punch Finisher. The Tri-Fold/Z-Fold Booklet Finisher may also be installed if a Booklet Staple Hole Punch Finisher is installed | Sensing- Detects the paper size, if the tray is present, and if paper is present or low | Considerations- Can be used with the 2,000-Sheet Tray (sidecar) and/or Envelope Tray, but not with any other input options