HP LaserJet Pro 400 Service Manual - Page 239
Product resets, Restore the factory-set defaults, NVRAM initialization
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Table 2-9 Secondary service menu (continued) Menu item Sub-menu item Memory Cards (fax/memorycard models only) Enable Disable Color Calibrate Adjust Color Timing Clean Belt Pick Roller Description This item enables or disables the product memory-card functions. This item adjusts density settings for contrast, highlights, midtones, and shadows. Adjust each color individually. This item specifies how frequently the product should automatically perform a color calibration. The default setting is 48 hours. You can turn automatic calibration off. This item runs additional belt-cleaning cycles. This item puts the pickup roller in position for replacement. Product resets The product resets-Restore Defaults and the NVRAM initialization-perform the same function. If possible, use the Restore Defaults function in the Service menu. If that menu is not accessible, use the NVRAM sequence. Restore the factory-set defaults NOTE: Before restoring defaults, print a menu structure report and a configuration page. Use the information on these pages to reset customer-specific settings. CAUTION: All onboard network settings are also reset. Be sure to print a configuration page before restoring defaults. Make note of the IP address that is listed on the Jetdirect configuration page. You might need to restore the IP address after restoring the defaults. 1. Touch the Setup button. 2. Open the Service menu. 3. Touch the Restore Defaults item. The product automatically restarts. NVRAM initialization Performing an NVRAM initialization resets the following settings and information: ● All menu settings are reset to factory default values. ● All localization settings, including language and country/region, are reset. CAUTION: All onboard network settings are also reset. Be sure to print a configuration page before restoring defaults. Make note of the IP address that is listed on the Jetdirect configuration page. You might need to restore the IP address after an NVRAM initialization. ENWW Service mode functions 213