Solution
Items 1 to 6 listed below may be the reasons why the printer suddenly becomes unusable.
1. The devices are not turned on.
2. The printer is located far away from the wireless router.
3. The printer is not set as the default printer.
4. The PC to use the printer is not connected to the network.
5. MP driver settings are wrong.
6. The wireless router has been changed or its settings altered.
Perform the following checks:
Check 1:
The devices may not be turned on.
Confirm that the wireless router is turned on. If it is, turn off both the printer and the wireless router, and then turn them back on and restart.
If the problem is not solved, proceed to the next step.
Check 2:
The printer may be too far away from the wireless router.
Move the printer closer to the wireless router and try printing again to see if results improve.
If there is no improvement, perform printer setup again, and reconnect the printer to the wireless router.
Refer to [ How to connect the printer and router via wireless LAN ] and connect the printer to the wireless router.
Check 3:
The printer may not be set as a default printer.
In [ Printers and Faxes ], [ Devices and Printers ], or [ Printers ] under [ Control Panel ], confirm that the printer is check-marked.
If not, select the printer icon, right-click, and select [ Set as default printer]. If the problem still persists, proceed to the next step.
Windows 7 screen:
Check 4:
The PC to use the printer may not be connected to the network.
To see if the PC is connected to the network, check if an Internet page can be browsed on the PC.
If an Internet page cannot be browsed from the PC, move the PC closer to the wireless router and connect it to the network.
If the problem persists, proceed to the next step.
Caution
- Notes on connecting to the network:
For information regarding your wireless router's setup method and functionality, refer to its instruction manual or contact its manufacturer.
For PC settings, refer to the PC manual or contact its manufacturer.
Check 5:
MP driver may not be set properly.
Access http://canon.com/ijsetup/ and reinstall the MP Drivers.
Caution
If your PC has a CD-ROM drive, reinstall the MP Drivers from the Setup CD-ROM that came with the printer.
Re-installation procedures are as follows:
Step1
When the following screen is shown, click [ Add Software ].
Step2
For Windows, select [ MP Drivers ] and click [ Next ], then follow the instructions.
For Mac OS X, select [ MP Drivers ] and [ Canon IJ Network Tool ] and click [ Next ], then follow the instructions.
Check 6:
[ Printer cannot be used after replacing the wireless router or changing its settings ]