System Start-Up And Post; System Boot Sequence - Xerox 6250DT - Phaser Color Laser Printer Service Manual

Power-Up Mode Selection
Mode Selection
Printer Reset
Customer
Service/Diagnostic
Disaster Recovery

System Start-Up and POST

System Boot Sequence

1.
When the main power switch is turned on, the health LED on the Image
Processor Board turns on.
2.
The front panel Graphics Display is reset (addressable area turns grey).
3.
The front panel LED cycles: Green, Yellow, Red, (approximately 1/3 second
each) and then off.
4.
The backlight is turned on (high intensity) with a nominal contrast display.
5.
The Grapics Display is turned on with all ones (black) for 1 second and then
cleared.
6.
The backlight is turned on with nominal intensity.
7.
The Power On Self Test Vn.nn message appears and tests are quickly executed. If
any test fails, the front panel screen freezes with the name of the test displayed
and another line is posted: "Call Customer Service".
8.
The Xerox "splash screen" displays on the front panel and PostScript begins
initialization.
General Troubleshooting
1 2 3
G
G
G X
G X
4 5 6
X G
G
X G
X G
4-3