Xerox 8500DN Service Manual - Page 139

General Troubleshooting Service Diagnostics Menu Map (Continued) Menu Function Menu Description Functions for commanding more complex actions by portions of the printer mechanism. Initialize Mechanism Performs a power up mechanical initialization sequence. Print DMU Blot Raises the DM unit up against the Drum, then does a Chase sequence. The result is an oil print of the contact of the DM unit with the Drum (about 2/3 of the way down the page). Display Fault History Access PE NVRAM Parameters Clear Fault History Displays the contents of the Fault History NVRAM. NOTE Jam History can only be accessed from customer mode. There is no way to access the information Service Diagnostics Mode. Provides read/write access to selected PE NVRAM parameters. Clears Fault History NVRAM. Clear ISC Fault Clear PS NVRAM Clear PE NVRAM Set PE NVRAM to Defaults Resets the Ink Stick Count (ISC) fault condition. To avoid a reoccurrence, check the ink shapes and the ink stick flags. Clears the PS NVRAM to be rebuilt with defaults at the next power up. Clears the PE NVRAM to be rebuilt with defaults at the next power up. Sets the PE NVRAM parameters to the default values. Phaser 8400/8500/8550/8560 Color Printer Service Manual 4-9