Brother MFCL3720CDW Mfc-l3720cdw Wireless Digital Color All-in-one Printer With Laser Quality Output, Copy, Scan, Fax, Duplex, Mobile Includes 4 Month Refresh Subscription Trial ¹ Amazon Dash Replenishment Ready

User Manual - Page 521

For MFCL3720CDW.

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Home > Troubleshooting > Network Problems > If You Are Having Difficulty with Your Machine's
Network > My Machine Cannot Print, Scan, or Use the PC-FAX Receive Function over the Network
My Machine Cannot Print, Scan, or Use the PC-FAX Receive Function
over the Network
Cause Action Interface
Your security software
blocks your machine's
access to the network.
(The network scanning
feature does not work. )
Windows
Configure the third-party Security/Firewall Software to allow
network scanning. To add port 54925 for network scanning, type
the information below:
- In Name:
Type any description, for example Brother NetScan.
- In Port number:
Type 54925.
- In Protocol:
UDP is selected.
See the instruction manual that came with your third-party
Security/Firewall Software or contact the software manufacturer.
Mac
(Brother iPrint&Scan)
In the Finder menu bar, click Go > Applications, and then double-
click the Brother iPrint&Scan icon. The Brother iPrint&Scan
window appears. Click the Select your Machine button, and then
follow the on-screen instructions to reselect your network machine.
Wired/Wireless
Your security software
blocks your machine's
access to the network.
(The network PC-Fax
Receive feature does not
work.)
(Windows)
Set the third-party Security/Firewall Software to allow PC-FAX Rx. To
add port 54926 for Network PC-FAX Rx, type the information below:
In Name:
Type any description, for example Brother PC-FAX Rx.
In Port number:
Type 54926.
In Protocol:
UDP is selected.
See the instruction manual that came with your third-party Security/
Firewall Software or contact the software manufacturer.
Wired/Wireless
Your security software
blocks your machine's
access to the network.
Some security software might block access without showing a security
alert dialog box even after successful installation.
To allow access, see the instructions for your security software or ask
the software manufacturer.
Wired/Wireless
Your Brother machine was
not assigned an available
IP address.
Confirm the IP address and the Subnet Mask.
Verify that both the IP addresses and Subnet Masks of your
computer and the Brother machine are correct and located on the
same network.
For more information about how to verify the IP address and the
Subnet Mask, ask your network administrator.
Windows
Confirm the IP address and the Subnet Mask using the Network
Connection Repair Tool.
Wired/Wireless
A failed print job is still in
your computer's print
queue.
If a failed print job is still in your computer's print queue, delete it.
Otherwise, double-click the printer icon in the following folder and
cancel all documents:
- Windows 11
Wired/Wireless
513
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