HP LaserJet Enterprise M552 - USB flash drive (Pre-boot menu)

USB ash drive (Pre-boot menu)
IMPORTANT: Only use this method of performing a rmware upgrade if the printer cannot initialize to the
Ready state.
USB ash drive rmware (Pre-boot menu) update from a touchscreen control panel
1. Copy the .bdl le to a portable USB ash drive.
2. Touch in the middle of the control-panel display when you see the 1/8 under the HP logo.
Figure 2-144 Open the Pre-boot menu
1 2
3. Touch the down arrow button to highlight +3 Administrator, and then touch the OK button.
4. If necessary, touch the down arrow button to highlight +1 Download, and then touch the OK button.
5. Insert the USB ash drive with the .bdl le on it.
NOTE: If the error message No USB Thumbdrive Files Found displays on the control-panel display, try
using a dierent portable storage device.
6. Touch the down arrow button to highlight USB Thumbdrive, and then touch the OK button.
7. Touch the down arrow button to highlight the .bdl le, and then touch the OK button.
NOTE: The upgrade process can take 10 minutes or longer to complete.
TIP: If there is more than one .bdl le on the storage device, make sure to select the correct le for this
printer.
8. When the message Complete displays on the control-panel display, touch the button several times
until the message Continue displays.
9. Touch the OK button to begin the upgrade. When the upgrade is complete, the printer will initialize to the
Ready state.
10. When the upgrade process is complete, print a conguration page and verify that the upgrade rmware
version was installed.
USB ash drive rmware (Pre-boot menu) update from an LCD control panel
1.
Press the Cancel button when you see the 1/8 under the HP logo.
2. Press the down arrow button to highlight +3 Administrator, and then press the OK button.
3. If necessary, press the down arrow button to highlight +1 Download, and then press the OK button.
4. Insert the USB ash drive with the .bdl le on it.
ENWW Firmware upgrades 489