Well, Canon replied immediately to my scanner problem.
Here is the step-by- step procedure to make your Canon MX 432 work with all functionalities intact. Procedure provided by Canon Technical Staff. I am just sharing this information and I am looking through my stuff if the CD-ROM is saved. Of course I will run this procedure and see if it helps.
Uninstalling and reinstalling the network port and printer driver using the utilities on the CDROM should resolve this issue. To perform the uninstall, please have the PIXMA MX432's CDROM in the CDROM drive and then follow these steps:
1. Put the PIXMA MX432's CDROM in the CDROM drive. If the welcome screen appears, exit it.
2. Click on Start and then All Apps.
3. Click on Windows System.
4. Click on RUN.
5. Click Browse.
6. Double click the CANON_IJ CDROM.
7. Double click the folder named WIN.
8. Double click the folder named Driver.
9. Double click the folder named DrvSetup.
10. Double click the file named DELDRV. If you are using the 64 bit version of Windows 10, please double click DELDRV64. In the Run box click OK.
11. Click Execute to start uninstall and Yes to completely uninstall the drivers.
12. Once finished, click on Start and then All Apps.
13. Click on Windows System.
14. Click on RUN.
15. Click Browse.
16. Double click the CANON_IJ CDROM.
17. Double click the folder named WIN.
18. Double click the folder named Driver.
19. Double click the folder named LAN.
20. Double click the file named CNMNPU.exe
21. In the Run box click OK and then Yes on the Delete BJNP Port window.
22. The uninstaller will prompt you to restart the computer, please click Yes to restart the computer.
Please follow these steps to download the necessary files to begin installation once the computer restarts:
1. Visit Canon's website at: http://www.usa.canon.com/cusa/support/consumer
2. Type PIXMA MX432 in the "Enter Your Model Name" box and click GO.
3. On the Support page for your unit, click the 'Drivers & Software' link in the middle of the page.
4. Click Drivers.
5. Click on the MX430 series Mini Master Setup.
6. If you agree, please select the checkbox next to "I have read and agree to the terms of the Disclaimer and wish to continue with the download".
7. Click on the Download button.
8. When the Save As box comes up, click Save.
To install the unit for use over your network wirelessly, please follow these steps when the computer restarts:
1. Press the <Setup> button on your PIXMA MX432.
2. Use the left or right button to select Device Settings and press <OK>.
3. Use the left or right button to select LAN Settings and press <OK>.
4. Use the left or right button to select Wireless LAN Setup and press <OK>.
5. Enter your wireless password and press <OK>. Please verify the password, as it is case sensitive and if entered incorrectly, will cause the printer and router to not communicate. To switch between letters and numbers, press the * key.
6. Press <OK> on the confirmation screen. The PIXMA MX432 will search for the access point.
7. When found, press <OK> on the Connected to the access point screen.
8. Back on your computer, open the Downloads folder and double click [mast-win-mx430-1_1-ucd.exe] to begin installation of the drivers.
Follow the prompts and installation will complete.
For additional assistance, there are guides that can be viewed by following this link:
http://www.usa.canon.com/cusa/support/consumer/printers_multifunction/pixma_mx_series/pixma_mx432#Wireless_HelpCanon support is excellent. It is not something new to Canon, but very common among Japanese companies. Years ago, approximately some 20 and plus I had a suitcase (another Japanese company) with keys having magnets. I lost the original keys and some three years later went back to the same place and asked them if they can find me replacements. He looked at the picture of the suitcase I showed him and after referring to his books his face lit up and he said, 'Hi, arimasu yo' (Yes, I have it). That is called 'support'.