HP LaserJet 4100 - Page 48

46 Maintenance C9148-90909
NVRAM initialization
NVRAM initialization should be performed immediately after replacing the formatter board. Not
initializing NVRAM might result in print quality defects.
CAUTION Initializing NVRAM erases several memory settings (for example, page count, printer serial
number, and the event log). This information is permanently lost.
Before performing NVRAM initialization print the following MFP information page. Use this page
to reset any menu settings that the user has changed from factory defaults.
• Configuration page (see “Evaluate the information pages” on page 130).
1 Turn the product power off.
2 Press and hold down the
DOWN navigation button. Continue to hold the DOWN button down
until the printer initializes and the three control panel LEDs illuminate continuously. Release
the
DOWN button.
3 Press and release the
UP navigation button.
4 Press and hold down the
START button.
5 Press and release the
UP navigation button. Release the START button. The message SKIP
DISK LOAD appears on the control panel display.
6 Press the
DOWN navigation button until the message NVRAM INIT appears on the control
panel display.
7 Press the
SELECT ( ) button. The NVRAM initialization process will begin.
8 When completed, the printer will initialize and the message READY will appear on the control
panel display. The MFP is ready to process jobs.