Resetting the printer Cold reset Cold reset clears all data from the printer memory and sets many of the defaults back to the factory settings. CAUTION Performing a cold reset resets the HP JetDirect configuration. To avoid making changes to your configuration, remove the HP JetDirect card before performing a cold reset. If possible, print a configuration page and a menu map to verify the current printer settings. Use the information on these pages to reset the customer’s printer settings. To perform a cold reset: 1 Print a configuration page and a menu map. 2 Turn on the printer while holding the G O key down. 3 When COLD RESET appears on the control panel display, release the G O key.
Clearing NVRAM This procedure will clean up the NVRAM by removing old areas that are not being used. 1 Turn off the printer. 2 Hold down the C ANCEL J OB key, and then turn on the printer. 3 When CLEANUP NVRAM appears on the control panel display, release the C ANCEL J OB key. Initialization of NVRAM Initialization of NVRAM should always be executed immediately after replacing the formatter board. This procedure aligns the firmware with the formatter. Not initializing NVRAM could result in deterioration of print quality. CAUTION Initializing NVRAM will erase several of the memory settings (including page count, printer serial number, and the event log).
Note Before initializing NVRAM, print a configuration page and a menu map to verify the current printer settings. Use the information on these pages to reset the customer’s printer settings. To initialize NVRAM 1 Print a configuration page and a menu map. 2 Turn off the printer. 3 Remove all formatter accessories (EIO cards, hard drive, DIMMs, etc.). 4 While turning on the printer, hold down S ELECT and C ANCEL J OB until all of the lights on the control panel are lit. 5 Press C ANCEL J OB , and then S ELECT . The NVRAM INIT message appears on the control panel display. 6 After initializing the NVRAM, use service mode to reenter the settings from the configuration page.
EN Chapter 3 Printer operation 79