6-8 Phaser 6300/6350/6360 Color Laser Printer Service Manual
Adjustments and Calibrations
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 Install Dates
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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