6-20
Phaser 440 Color Printer
6
Troubleshooting
Resetting NVRAM
Resetting NVRAM returns all the image processor's parameters to their factory
defaults except the print count (processed through the image processor) and the
Adobe firmware serial number.
To reset the image processor to its factory default values follow this procedure:
1.
Power down the printer.
2.
Place the rear panel DIP Switch 9 in the on position (up). Place the rear
panel DIP Switches 3, 4 and 8 in the off position (down).
3.
Power up the printer. Wait for the printer’s self-test to complete.
4.
Observe the rear panel LED; it begins flashing at a
four-flash-per-second rate for 10 seconds.
During the time the quick-flash pattern is displayed, flip DIP Switch 9
into the off (down) position. NVRAM will automatically reset when
the health light begins blinking at its steady one blink-per-second
“heartbeat” rate, indicating normal operation.
If you do not flip DIP Switch 9 down during the “quick flash LED”
pattern display, then the NVRAM is not reset. If Switch 9 is down
during an ordinary power-up, then the quick flash LED pattern is not
displayed and NVRAM is not reset.