6-8 Phaser 6300/6350 Color Laser Printer Service Manual
Service Diagnostics NVRAM Utilities
Postscript NVRAM Reset
Resetting the NVRAM restores all printer values stored in the IP controller NVRAM
including network, printer setup, job defaults, color, margin, and calibrations to their
factory default values. The print counts and the Adobe firmware serial number are not
affected by this reset.
1. Enter Service Diagnostics.
2. Select NVRAM Access, and then press the OK button.
3. Select PostScript NVRAM Reset, and then press the OK button.
4. Resetting NVRAM! Are you sure? is displayed. Select Yes, and then press
the OK button.
The printer exits Service Diagnostics and reboots. While booting, NVRAM is reset.
Engine Control Board NVRAM Save/Restore
Save Engine NVRAM
Stores critical Engine Control Board parameters, obtained from currently installed
Engine Control Board, to the Image Processor Board’s NVRAM. Use this utility to
preserve existing NVRAM data in a defective Engine Control Board before removal.
A successful operation is indicated when the message Controller NVRAM write
confirmed displays.
Restore Engine NVRAM
Restores critical Engine Control Board parameters from the Image Processor Board’s
NVRAM to the replacement Engine Control Board after installation. It is assumed
that the Save Engine NVRAM function has previously been performed. A successful
operation is indicated when the message Engine Parameters Restored displays.
Toner Cartridge Install Date
Displays the installation date currently stored in the Toner Cartridge CRUM. This
utility sets the month, day and year and writes the new value to the CRUM. The
display updates to reflect the new settings.
Use this utility when the current installation date is corrupt, or the current installation
date is obviously incorrect.
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