What you will see
A fax-send failure and an E-A00 error on the Fax Transmission Log or the Fax Send Log.
E-A00 explanation - Sending fax machine received request for unsupported function from remote fax device.
Additional Identifier for Advanced Users
Access the http://mfp_IP_address/SE, where
MFP_IP_address
is the address of the device, and view the T30 log. Look for the presence of a DCN shortly after a DIS.DCN - Disconnect
DIS - Digital identifier sent by the recipient fax machine to inform the sending device of its capabilities.
Suggested Fix
Re-enable theFax Auto Convert Color Faxes to Mono Faxes setting.
To do this:
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Access the MFP embedded web server or configuration page; e.g., http://
MFP_IP_address
, where MFP_IP_address
is the address of the device.![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Click on Settings.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Click on Fax Settings.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Click on Analog Fax Setup.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Under Fax Send Settings, place a check mark next to Auto Convert Color Faxes to Mono Faxes.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Scroll down to the bottom of the page and click Submit.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Attempt to resend the fax.
As an example, click here for an illustration of the X544 MFP Fax Setup page.
Explanation
A recipient fax machine that does not support color faxes, and a disabled MFP setting which overrides this disability, prevent a successful fax transmittal.
Still Need Help?
If you require additional assistance, please contact Lexmark Technical Support.
NOTE: When calling for phone support you will need your model/machine type and serial number(SN).
For improved technical support, all callers should be near the computer and the printer in case the technician on the phone asks you to perform a task involving one of the devices.
LEGACY ID: SO5022