Dell 3115cn Service Manual page 147

Regarding a fax error, a communication test is available between the customer and
Dell, thereby allowing you to analyze the trouble.
The communication test can be performed from the customer to the Dell site for
transmission errors, and from the Dell site to the customer for reception errors.
Replace the PWBA HYUI.
(Removal64/Replacement
58)
Version 2 2007.05.22
Possible causative parts: PWBA HYUI (PL13.4.1)
Checking the printer setting.
Yes
Checking the PWBA HYUI
installation
Reseat the PWBA HYUI.
(Removal64/Replacement
58)
Does the error still
Yes
occur when turning
on the power?
Checking the PWBA HYUI
Turn off and on the power.
Does the error still
Yes
occur when turning
on the power?
Is the [Country] of
No
[Fax setting] on the
[Admin Menu]
correct?
Set the [Country] correctly.
No
END
Chapter 1 Troubleshooting
No
END