Není nainstalovaný status monitor nebo je něčím zakázaný. Vidíš ho ve Správce úloh/Procesy? Mělo by tam být něco jako E_Sxxxx.EXE

-Double-click the My Computer icon.
-Double-click the Printers folder.
-Right-click the icon for your printer, and click Properties. If you are using Windows NT 4.0, you can choose either Document Defaults or Properties.
-Click the Utility tab.
-Click the EPSON Status Monitor 3 icon to start the EPSON Status Monitor 3 utility.

Note:
Clearing the Monitor the printing status check box during normal operation causes the Status Alert window to stop monitoring some errors. See Status Alert Window for more information on this function.