HP LaserJet 9000 Service Manual - Page 235
Other diagnostics for the HP LaserJet 9040/9050, 9040mfp, and, 9050mfp
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Other diagnostics for the HP LaserJet 9040/9050, 9040mfp, and 9050mfp CAUTION Note Note Note Cold reset Performing a cold reset clears all data from the printer memory and returns all of the default settings to the factory settings. Performing a cold reset resets the Jetdirect configuration. To avoid making changes to your network configuration, remove the HP Jetdirect print server before performing a cold reset. If possible, print a configuration page and menu map before performing a cold reset. This documents current settings for later reference. To perform a cold reset, set the display language, reset the maintenance kit, enable or disable embedded LAN 1 Turn off the printer. 2 Turn on the printer. 3 Wait until the printer begins counting memory. 4 Press and hold (the 6 button on MFPs). 5 Continue to hold until all three control panel lights illuminate, and then release button on MFPs). (the 6 6 Use (the 9 button on MFPs) or (the 3 button on MFPs) to scroll to the appropriate selection (COLD RESET, SELECT LANGUAGE, NEW MAINTENANCE KIT, or ENABLE/DISABLE EMBEDDED LAN). Other functions are available in this menu, but are not applicable. 7 Press (the 6 button on MFPs). The printer boot sequence is complete when READY appears on the control-panel display. To initialize (format) a hard disk Initializing a hard disk erases all of the data on the installed mass-storage devices. 1 Turn off the printer. 2 Turn on the printer. 3 Wait until the printer begins counting memory. 4 Press and hold MENU (START on MFPs). 5 Hold PAUSE/RESUME or START down until all three error lights illuminate. 6 Release the MENU or START key. 7 Press (the 5 button on MFPs) until INITIALIZE DISKS appears on the control-panel display. 8 Press (the 6 button on MFPs). The printer boot sequence is complete when READY appears on the control-panel display. Other diagnostics for the HP LaserJet 9040/9050, 9040mfp, and 9050mfp 219