HP IIISi/4Si Printers

To clear the Maintenance Service Message from the LCD display:

HP IIISi Printers:

1. Press ONLINE until the light goes off
2. Hold down MENU until PCL CONFIG MENU appears
3. Press the MENU key until SERVICE MSG=ON* appears
4. Press the + or - key to change display to SERVICE MSG=OFF
5. Press ENTER/RESET MENU key to turn message off, the * should appear, then press ONLINE

HP 4Si Printers:

1. Press ONLINE until the light goes off
2. Press MENU until CONFIG MENU appears
3. Press the ITEM key until SERVICE MSG=ON* appears
4. Press the + or - key to change display to SERVICE MSG=OFF
5. Press the ENTER key to turn message off, the * should appear, then press ONLINE