HP Color LaserJet CM4730 Service Manual - Page 639
MFP resets, Cold reset, NVRAM initialization
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MFP resets Use the following information to perform system-wide reset procedures. Customers do not have access to this information. Cold reset A cold reset unlocks menus that have been previously locked and resets all control panel menu items to the factory defaults. A cold reset does not clear the values in the service menu, such as the serial number and the page counts. NOTE: Before performing a cold reset, print a menu map and a configuration page. Use the information on these pages to reset customer-specific settings. CAUTION: All HP Jetdirect settings are also reset. Be sure to print a configuration page before performing a cold reset. Make note of the IP address that is listed on the Jetdirect configuration page. You will need to restore the IP address after performing a cold reset. To perform a cold reset 1. Turn the MFP off and then on. 2. When the memory count appears on the control panel display, press and hold 6 until all three LEDs flash once and then stay on. This might take up to 20 seconds. 3. Press 3 four times until COLD RESET appears on the control panel display. 4. Press 6 one time. The MFP continues its initialization sequence. NVRAM initialization NOTE: If an analog fax accessory is installed, performing an NVRAM initialization can cause the MFP to violate local telephone regulations. Reset the language and country/region after performing NVRAM initialization. For more information, see the HP LaserJet Analog Fax Accessory 300 User Guide. Before performing an NVRAM initialization, print a menu map and a configuration page. Use the information on these pages to reset any customer-specific settings. CAUTION: All HP Jetdirect settings are also reset. Be sure to print a configuration page before performing a cold reset. Make note of the IP address that is listed on the Jetdirect configuration page. You will need to restore the IP address after performing a cold reset. Performing an NVRAM initialization resets the following settings and information: ● All menu settings are reset to factory default values, including the fax header and company name. ● All faxes in memory are erased. ● All speed-dials, group-dials, and phonebook entries are erased. ● All localization settings, including language and country/region, are reset. ENWW MFP resets 619