Reset Engine Nvram; Store Engine Nvram - Xerox 7700DX - Phaser Color Laser Printer Service Manual

Reset Engine NVRAM

Reset NVRAM allows PostScript to write stored data from the hard drive to
engine NVRAM. You must restore engine NVRAM after replacing the Engine
Control Board.
1. Enter Service Diagnostics. Verify switch #2 is Down.
2. Highlight NVRAM Access and press OK.
3. Highlight Reset Engine NVRAM and press OK.

Store Engine NVRAM

This function reads values from the engine NVRAM and writes values to the
hard drive. It overwrites NVRAM values stored on the hard drive.
You must store values to the hard drive before any of the following parts are
replaced or procedures performed.
Engine Control Board
Internal Hard Drive
Laser Unit movement
Calibrate for margins procedure
Developer replacement
Print Cartridge Cover Plate movement
Mark-On-Belt Sensor replacement
You must store engine NVRAM values to the Internal Hard Drive after
replacement of the Internal Hard Drive.
1. Enter Service Diagnostics. Verify switch #2 is Down.
2. Highlight NVRAM Access and press OK.
3. Highlight Store Engine NVRAM and press OK.
6-150 Phaser 7700 Color Laser Printer Service Manual