Error Messages, Codes, and Procedures 3-3
System Startup
Listed here is a typical printer startup routine from a cold start.
1. When the main power switch is turned on, the ‘Health’ LED on the Image
Processor board turns on immediately.
2. The boot loader checks for presence and condition of RAM. If an error is
detected, “RAM ERROR” appears on the display and the Red Front Panel LED
and the Health LED alternately blink at 1/2 second intervals.
3. The boot Loader then loads and runs POST diagnostics.
4. POST turns off the Health LED.
5. POST checks the Front Panel.
6. If buttons have been pushed, the Front Panel displays “Processing Input”. If no
buttons have been pushed, POST continues execution.
7. The display is reset (addressable area turns “Gray”).
8. The Front Panel LED cycles: Green, Yellow, Red, and then off.
9. The display backlight turns on (high intensity), with nominal contrast display.
10. The display area is turned on, dark Black for 1 second.
11. The display is cleared.
12. The display backlight turns on with nominal intensity.
13. The POST Vn.nn message appears, and tests are quickly executed.
14. If any tests fail, the display changes to indicate the last test run with line three
reading “CALL SERVICE”.
15. After the POST tests have successfully finished, the Xerox ‘splash screen’
appears on the Front Panel and PostScript begins initialization.
16. The Front Panel LED turns Red while the display reads “Warming up - Please
wait.”
17. The Front Panel LED turns Green and the display reads “Ready to Print.”
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