448 Troubleshooting Guide
FILE LOCATION: C:\Users\fxstdpc-
admin\Desktop\0630_UG??\Mioga_SFP_UG_FM\Mioga_SFP_UG_FM\section28.fm
DELL CONFIDENTIAL – PRELIMINARY 9/13/10 - FOR PROOF ONLY
Light-induced fatigue
Action Yes No
1 Check the light fatigue pattern using the Pitch
Configuration Chart.
a
Launch the Tool Box, and click
Chart Print
on the
Diagnosis
tab.
b
Click the
Pitch Configuration Chart
button.
The Pitch Configuration Chart is printed.
Does the pattern on the output match with that on
the Pitch Configuration Chart?
Go to action 2. Contact Dell.
2 Execute the PHD Refresh Mode.
a
Launch the Tool Box, and click
Refresh
Mode
on the
Diagnosis
tab.
b
After you start the
Drum Refresh Mode
,
click
Chart Print
on the
Diagnosis
tab.
c
Click the
4 Colors Configuration Chart
button.
The 4 Colors Configuration Chart is printed.
Does this solve your problem?
The task is
complete.
Go to action 3.
3 Replace the PHD unit if you have a spare unit.
See "
Replacing the Print Head Device (PHD) Unit
"
and "
Installing a PHD Unit
."
Does this solve your problem?
The task is
complete.
Contact Dell.
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