The HP LaserJet Pro 550-sheet Feeder Tray D9P29A is a paper input accessory for HP LaserJet printers. It adds a separate tray that can hold up to 550 sheets, reducing how often paper needs to be replenished during print jobs.
The tray supports a range of listed media sizes, including A4, A5, Letter and Legal. This makes it useful for keeping commonly used paper formats ready in the printer, depending on the documents being printed.
In the box: the paper tray and an installer guide.