
Printer Cannot Be Used After Replacing Wireless Router or
Changed Router Settings
When you replace a wireless router, redo the network setup for the printer according to the replaced one.
Click here and perform setup.
Note
• IJ Network Device Setup Utility allows you to diagnose and repair the network status.
Select the link below to download IJ Network Device Setup Utility and install it.
Checking Printer Connection Status Using IJ Network Device Setup Utility
See below for starting up IJ Network Device Setup Utility.
For Windows:
Starting Up IJ Network Device Setup Utility
For macOS:
Starting Up IJ Network Device Setup Utility
If this does not solve the problem, see below.
Cannot Communicate with Printer After Enabling MAC/IP Address Filtering or Encryption Key on
With Encryption On, Cannot Communicate with Printer After Changing Encryption Type at Wireless
Cannot Communicate with Printer After Enabling MAC/IP Address
Filtering or Encryption Key on Wireless Router
Check1
Check wireless router setting.
To check the wireless router setting, see the instruction manual provided with the wireless router or contact its
manufacturer. Make sure the computer and the wireless router can communicate with each other under this
setting.
Check2
If filtering MAC addresses or IP addresses at wireless router, check that MAC
addresses or IP addresses for computer, network device, and printer are registered.
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Summary of Contents for TS6420a
Page 1: ...TS6400 series Online Manual English...
Page 36: ...2 The password is specified automatically when the printer is turned on for the first time 36...
Page 71: ...TR9530 series TS3300 series E3300 series 71...
Page 84: ...84...
Page 94: ...94...
Page 124: ...124...
Page 126: ...Safety Safety Precautions Regulatory Information WEEE EU EEA 126...
Page 137: ...9 Attach the protective material to the printer when packing the printer in the box 137...
Page 141: ...Main Components Front View Rear View Inside View Operation Panel 141...
Page 170: ...Setting Items on Operation Panel 170...
Page 267: ...Printing Using Canon Application Software Easy PhotoPrint Editor Guide 267...
Page 277: ...Scanning Scanning from Computer Windows Scanning from Computer macOS 277...
Page 281: ...Note To set the applications to integrate with see Settings Dialog Box 281...
Page 294: ...ScanGear Scanner Driver Screens Basic Mode Tab Advanced Mode Tab 294...
Page 339: ...Other Network Problems Checking Network Information Restoring to Factory Defaults 339...
Page 372: ...Scanning Problems Windows Scanning Problems 372...
Page 373: ...Scanning Problems Scanner Does Not Work ScanGear Scanner Driver Does Not Start 373...
Page 386: ...Errors and Messages When Error Occurred Message Support Code Appears 386...