Lexmark Pro715 User Guide
3
Press Enter, or click OK.
4
Right
‑click the printer, and then select Properties or Printer properties from the menu.
5
Click the Ports tab.
6
Click the box next to Enable bidirectional support if it is not already checked.
7
Click Apply > OK, and then try to print again.
Resolving intermittent wireless communications issues
You may notice that your printer works for a short time and then stops working, although apparently nothing has
changed on your wireless network.
changed on your wireless network.
Many different issues can interrupt network communications, and sometimes more than one problem exists at the
same time. Try one or more of the following:
same time. Try one or more of the following:
D
ISCONNECT
FROM
ALL
VPN
S
WHEN
ATTEMPTING
TO
USE
THE
WIRELESS
NETWORK
Most Virtual Private Networks (VPNs) allow computers to communicate with only the VPN and no other network
at the same time. Disconnect from the VPN before installing the driver on the computer or before running the
wireless setup on the computer.
at the same time. Disconnect from the VPN before installing the driver on the computer or before running the
wireless setup on the computer.
To check if the computer is currently connected to a VPN, open your VPN Client software and check your VPN
connections. If you do not have a VPN Client software installed, then check the connections manually using the
Windows VPN Client.
connections. If you do not have a VPN Client software installed, then check the connections manually using the
Windows VPN Client.
If you would like to have the ability to connect to your local network and to a VPN at the same time, then request
the system support person for the VPN to allow split tunneling. Be aware that some organizations will not allow
split tunneling due to security or technical concerns.
the system support person for the VPN to allow split tunneling. Be aware that some organizations will not allow
split tunneling due to security or technical concerns.
T
URN
OFF
THE
ACCESS
POINT
(
WIRELESS
ROUTER
)
AND
TURN
IT
BACK
ON
Wait one minute for the printer and computer to reestablish the connection. This can sometimes refresh network
connections and resolve connectivity issues.
connections and resolve connectivity issues.
E
LIMINATE
NETWORK
CONGESTION
If a wireless network is too busy, then the computer and printer may have difficulty communicating with each
other. Some causes of wireless network congestion can include:
other. Some causes of wireless network congestion can include:
•
Transferring large files across the network
•
Networked games
•
Peer
‑to‑peer file swapping applications
•
Streaming video
•
Too many computers on the wireless network at once
E
LIMINATE
SOURCES
OF
INTERFERENCE
Common household items can potentially disrupt wireless network communications. Cordless phones (but not
cellular phones), microwave ovens, baby monitors, almost any kitchen appliance, wireless surveillance equipment,
nearby wireless networks, and any appliance containing a motor can disrupt wireless network communications.
cellular phones), microwave ovens, baby monitors, almost any kitchen appliance, wireless surveillance equipment,
nearby wireless networks, and any appliance containing a motor can disrupt wireless network communications.
Try turning on any potential sources of interference and see if it causes the problem. If it does, then separate your
wireless network from the device.
wireless network from the device.
Troubleshooting
170