Additional input trays minimize the time spent for paper refills the overall output capacity minimizes job retrieval frequencyautomatic job separation and finishing reduce waste of time for manual tasks around print jobs all paper handling products are easy to install by any employee with a basic knowledge of it products this is a 2x500 sheet input tray for hp laserjet 8100 and 8000 printer families it adds a 4th and 5th input sources for capacity of 2100 sheets