Dell Mono MFP User's Guide
Page 325
... 2 Connection Error There is empty or Load paper See"Loading Print Media in Pull Tray 2 out and insert it. the Paper Tray" or close Tray 1. Replace the tray pickup roller with a new one. Replace pickup roller The life of the tray pickup roller will be expired. See "Installing installed the Toner Cartridge". See "Loading all tray. the tray 2.
... 2 Connection Error There is empty or Load paper See"Loading Print Media in Pull Tray 2 out and insert it. the Paper Tray" or close Tray 1. Replace the tray pickup roller with a new one. Replace pickup roller The life of the tray pickup roller will be expired. See "Installing installed the Toner Cartridge". See "Loading all tray. the tray 2.