You are unsure of the set IP address.
Viewing Network Settings(P. 161)
The connection method cannot be switched between a wired LAN and a
wireless LAN.
●
Did you select a wired LAN or a wireless LAN on the operation panel on the machine as well? This selection is
required to have the machine switch to your selection.
Selecting Wired LAN or Wireless LAN(P. 134)
You are unsure of the SSID or the network key of the wireless router to be
connected. The SSID is not displayed on the screen.
●
Check whether the SSID can be found on the wireless router or package box.
●
Check the SSID or the network key of the wireless router by using Canon MF/LBP Wireless Setup Assistant.
Checking the SSID and Network Key(P. 150)
The SSID of the wireless router to be connected is not displayed in the access
point list.
●
Check whether the SSID is correct.
Checking the SSID and Network Key(P. 150)
●
If the SSID of the wireless router is hidden (using a stealth mode
*
), set the SSID to be visible on the wireless
router.
*
A mode that disables the SSID auto-detection of other devices.
●
Check whether the machine is properly installed and ready to connect to the network.
When the machine cannot connect to the wireless LAN(P. 370)
The machine dials up to an unintended connection destination (if a dialup
router is connected to a network).
●
If a dialup router does not need to pass broadcast packets, set the dialup router so that the broadcast
packets will not pass. If the dialup router needs to pass broadcast packets, check whether the settings are
correct.
●
If a DNS server is located in an external network, set the IP address to be connected, not the host name, even
if connecting to the devices that are on the network that is connected to the machine.
●
If a DNS server is located on a network that is connected to the machine and the information about the
devices that are connected to an external network is registered to the DNS server, check whether the settings
are correct.
When the machine cannot connect to the wireless LAN
Check the status of your computer.
●
Have the settings of the computer and the wireless router been completed?
●
Are the cables of the wireless router (including the power cord and LAN cable)
correctly plugged in?
Troubleshooting
370
Summary of Contents for imageclass LBP251dw
Page 1: ...LBP252dw LBP251dw User s Guide USRMA 0786 00 2016 06 en Copyright CANON INC 2015 ...
Page 35: ...LINKS Using the Operation Panel P 30 Basic Operations 29 ...
Page 69: ...Exiting Sleep Mode Press any key on the operation panel Basic Operations 63 ...
Page 75: ...Printing 69 ...
Page 83: ...LINKS Basic Printing Operations P 70 Checking the Printing Status and Log P 78 Printing 77 ...
Page 117: ...LINKS Printing via Secure Print P 112 Printing 111 ...
Page 122: ...Checking the Printing Status and Log P 78 Printing 116 ...
Page 178: ...3 Click OK 4 Click Close LINKS Setting Up Print Server P 173 Network 172 ...
Page 233: ...LINKS Configuring Printer Ports P 168 Security 227 ...
Page 316: ...0 Auto Shutdown is disabled 1 to 4 to 8 hr Setting Menu List 310 ...
Page 355: ...Troubleshooting 349 ...
Page 470: ...Appendix 464 ...
Page 478: ...Manual Display Settings 0W20 08J Appendix 472 ...