HP 8000dn Service Manual - Page 393

Table 7-5. Alphabetical Printer Messages (continued) Message Event Description Log Category/ Message Recommended Action Warning The paper tray is empty. Paper is 1. Load the empty tray ( ) to sensed in the tray by black clear the message. plastic flags and photosensors. If If you do not load the paper is not in a tray, the flags specified tray, the printer will will rotate through an access in continue printing from the the upper tray. When paper is next available tray, and the present, the flags are blocked message will continue to from rotating through this display. access. 2. Make sure that the paper out flag is not stuck in the down position by rough media. Do this before opening the tray. To check this flag without opening Tray 2, remove the Duplexer if it is present. 3. Open the Front Access Door. This provides you with a clear view of the Tray 2 paper out sensor flag. To check this flag without opening Tray 3, use a flashlight to observe the paper out flag. If either paper flag is damaged, replace the paper flag or the paper input tray. If the printer is using Tray 2 or 3 and the message is accompanied by a clicking noise every few seconds, replace the Paper Input Unit Assembly. See "Paper Input Unit (PIU)" on page 195 for instructions. EN Printer Messages 369