You may select other sites from your bookmarks or by typing URL information in directly. The printer won't print and is flashing MP feed letter. MP stands for multipurpose tray. LC stands for lower cassette. PC stands for paper cassette.
EE represents the automatic envelope feeder.
These are the various bins commonly found on a LaserJet 4 printer. Similarly, MP feed COM10 means that an envelope has been printed to the MP tray and that media needs to be hand fed. In Word this can be controlled from File, Page Setup. Others can examine what you have stored in your computer at work. The rule is that you should not use your computer at work for personal items.