Canon iP4950 Installation Problems
There are at times when encountering problems when installing printers, of course that Canon iP4950 is no exception. As many more versions of OS being pushed into the computer and printer market, there are drivers claiming that they are compatible to various or some versions of operating systems. However, there are some problems happen when installing Canon iP4950:
The first time when installing Canon iP4950, the printer can be recognized and work as expected. But a system reboot would drive away the appearance of the printer and display an "unknown device" (USB) instead of "USB printing support". It can be easily learned that "USB printing support is no longer active and therefore Canon iP4950 won't work any more.
Causes
This is not saying that there’s something wrong with the printer of this brand, it is that printer driver that encounter error. Such problem can be caused by one of the following listed:
There are at times when encountering problems when installing printers, of course that Canon iP4950 is no exception. As many more versions of OS being pushed into the computer and printer market, there are drivers claiming that they are compatible to various or some versions of operating systems. However, there are some problems happen when installing Canon iP4950:
The first time when installing Canon iP4950, the printer can be recognized and work as expected. But a system reboot would drive away the appearance of the printer and display an "unknown device" (USB) instead of "USB printing support". It can be easily learned that "USB printing support is no longer active and therefore Canon iP4950 won't work any more.
Causes
This is not saying that there’s something wrong with the printer of this brand, it is that printer driver that encounter error. Such problem can be caused by one of the following listed:
- Updating the driver to the newest version.
- Updating operating system.
- Update all patches to tighten up the security defense.
Printer Driver Working Mechanism
PC users should know that a printer driver is imperative to connect a computer and the printer. A computer is programmed with advanced language while the printer emits and receives electronic signals. Without printer driver, they won’t understand each other and thus malfunction emerges. Therefore it is important to install a printer driver correctly.
There’s one more thing that needs notice. The best printer driver to enable full play is not necessarily the newest version.
- If one puts the newest version of printer driver onto a comparatively old operating system, problems would occur when installing Canon iP4950.
- If one keeps using the old printer driver while updating BIOS and OS, installation problem will also be triggered.
- If one downloads and installs the printer driver that has too strong compatibility might as well incur installation error.
In sum, the best printer driver should befit installed OS the most; otherwise, they won’t be able to completely understand each other well, leading to malfunctions and errors. Below are the expert tips on how to troubleshoot Canon iP4950 installation problem. You are welcome to follow up. Should you have any question, please do feel free to consult experts specialized in troubleshooting driver problems.
Troubleshoot Canon iP4950 Installation Problems - "Unknown Device"
Step1. if you didn’t update Canon iP4950 printer driver, please update it.
- Right click on “Computer”/”My Computer” to select “Device Manager”.
- There are several buttons to choose from, please press on “Update driver”.
- Follow on-screen instruction and wait for a while to allow it completes automatically.
Step2. if you didn’t update anything but Canon iP4950 printer driver, please restore it to the older version.
Step3. if you keep getting Canon iP4950 installation problem after the above 2 steps, please remove all evidence of Canon iP4950 and reinstall one from its manufacturer’s official web site and download the one according to printer model and operating system.
- Also access Device Manager to get the several buttons to choose from.
- Press on “Restore driver”.
- Follow on-screen instruction and wait for a while to allow it completes automatically.
Step3. if you keep getting Canon iP4950 installation problem after the above 2 steps, please remove all evidence of Canon iP4950 and reinstall one from its manufacturer’s official web site and download the one according to printer model and operating system.
- remove Canon iP4950 from Control Panel.
- remove Canon iP4950 printer driver from Device Manager.
- remove Canon iP4950 file from C:\Program Files\Canon.
Download the Driver Update Tool to automatically fix the Canon iP4950 installation problem by either updating printer driver or restoring it or searching for the most befitting one for the detected operating system. If the above steps will still not help troubleshoot. After the downloading, please open it up and run it. Automatic fix will work itself out.