User Guide

Hard-disk initialization
CAUTION A hard-disk initialization erases and reformats the printer hard disk. Perform a
hard-disk initialization only if an error code on the control panel indicates an EIO disk error.
Always try initializing the hard disk before replacing it.
NOTE Before performing a hard-disk initialization, print a menu map and a configuration
page (see
Menu map and Configuration page). Use the information on the configuration page
to reset any customer-set printer configuration values that the hard-disk initialization
procedure changes.
To initialize the hard disk
1 Turn the printer power off.
2 For HP Laserjet 4200/4300 Series printers: Hold down the P
AUSE /R ESUME button, and then turn
the printer power on.
For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then hold down the
M
ENU button when the memory count begins.
3 Continue holding down the button until all three printer control-panel lights flash once and then
remain on. This might take up to 10 seconds.
4
Press
( B ACK A RROW button). The display should show INITIALIZE DISK.
5
Press
. The printer initializes the hard disk and continues its power-on sequence.
Printer resets and power-on modes 327