Check whether the machine is properly installed and ready to connect to the network.
Installation/Settings Problems(P. 396)
If WPS is not supported:
Set using another connecting method.
Connecting to a Wireless LAN(P. 155)
Could not connect. The maximum number of devices that can connect to the
access point has been reached.
You tried to connect to a wireless LAN router to which the maximum possible number of devices are
already connected.
●
Decrease the number of devices connected to the wireless LAN router (the number of clients). For the
maximum number of devices that can be connected to a wireless LAN router, see the instruction manual
for the router or contact the manufacturer of the router.
Could not detect any connections from wireless devices.
It was not possible to detect any mobile device within the predetermined length of time.
●
Connect again paying attention to the time limit. Make Direct Connection (Access Point Mode)(P. 143)
Could not perform cleaning.
Paper jammed during cleaning.
●
Remove the jammed paper, set paper correctly, and perform cleaning again.
Clearing Jams(P. 376)
Fixing Unit(P. 421)
The amount remaining in toner cartridge required for cleaning the fixing unit is insufficient.
●
Cleaning requires sufficient toner cartridge remaining. Replace the toner cartridge, and perform the
cleaning again.
Replacing Toner Cartridges(P. 423)
Could not perform Open System authentication. Check the WEP settings.
The authentication method of the machine is set to <Open System>, but that of a wireless router is set to
"Shared Key."
●
Connect again by manually changing the WEP authentication method to <Shared Key>.
Setting Up Connection by Specifying Detailed Settings(P. 165)
The MAC address of the machine is rejected because the MAC address filter is set at a wireless router.
●
Set the wireless router to permit the MAC address of the machine and your computer. For more
information about how to set, see the instruction manuals for your networking devices or contact your
manufacturer. To check the MAC address of the machine, tap <Menu> <Network Settings> <Wireless
LAN Settings> <Connection Information>.
Troubleshooting
386
Summary of Contents for LBP253 Series
Page 1: ...LBP253x User s Guide USRMA 0769 00 2016 06 en Copyright CANON INC 2015 ...
Page 79: ...Printing 73 ...
Page 121: ...LINKS Printing via Secure Print P 116 Printing 115 ...
Page 197: ...3 Click OK 4 Click Close LINKS Setting Up Print Server P 192 Network 191 ...
Page 381: ...Troubleshooting 375 ...
Page 467: ...For more information about this function see Basic Printing Operations P 74 Appendix 461 ...
Page 499: ...Appendix 493 ...
Page 506: ...Manual Display Settings 0U6X 0HF Appendix 500 ...