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Phaser 7700 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.
Summary of Contents for 7700DX - Phaser Color Laser Printer
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