Olivetti d-Color MF4003 Service Manual page 515

d-Color MF4003/MF3303
12. PANEL BLACKOUT TROUBLE (BOOT DIAGNOSIS FUNCTION)
12.1 Boot diagnosis function
• The boot diagnosis is performed when the start screen on the touch panel of the machine freezes or blacks out for some faulty condition.
• The boot diagnosis can be performed automatically to identify a cause of a problem when the machine fails to start properly. (The boot
diagnosis can also be performed manually.)
• The result of the boot diagnosis is determined on the basis of the light conditions of "data indicator" and "power key".
[1]
[3]
[1] Touch panel
[3] Power key
Boot diagnosis flowchart
Three times
or less
Perform boot diagnosis automatically
Light out
Perform boot diagnosis 1
Light out
Perform boot diagnosis 2
Blink with a long period
Perform boot diagnosis 3
12.1.1 Boot diagnosis sequence
1. A fault is detected when the machine is started. (Start screen freezes or blacks out)
2. Auto reboot is performed. (a maximum of three times)
3. The boot diagnosis is performed automatically.
4. After the boot diagnosis is completed, the machine stops in any of the state described in the Boot diagnosis result list.
Y119930-3
L TROUBLESHOOTING > 12. PANEL BLACKOUT TROUBLE (BOOT DIAGNOSIS
· Nothing appears on the panel
· The start screen freezes
Auto reboot
A fourth
Display power key
Light up in purple
Light up
Data indicator
Blink
Perform boot diagnosis 5
Blinking period
Blink with a short period
Perform boot diagnosis 4
[2]
[2] Data indicator
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L-117
FUNCTION)
Service Manual