Canon PIXMA TS302 Online Manual page 208

Download the root certificate, and then register it.
Registering Printer's Root Certificate to Web Browser
Note
• Once you register the root certificate to the web browser on your smartphone, tablet, or computer,
this step is not necessary after the next time.
If all settings are set back to the default from the printer's operation panel, download the root
certificate again, and then register it.
• If the root certificate is not registered, a message to warn you that the secure connection is not
guaranteed may appear.
5. Select Log in.
The password authentication screen appears.
6. Enter password.
When the password authentication is complete, the menus that can be utilized are displayed on the web
browser.
Important
• The password is set at the time of purchase. The password is the printer serial number. The
printer serial number is printed on the sticker attached on the printer. It consists of 9 alphanumeric
characters (four alphabets followed by five numbers).
For details on setting password, see Setting Password.
7. Check printer status and change printer settings.
For changeable setting items, see below.
Changeable Setting Items Using Web Browser
8. When you finish checking printer status and changing printer settings, select Log out.
9. Close web browser.
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