The problem here is with the scanner bulb, the scanner bulb is bad.
I mean to say that your scanner bulb lit for a while and goes off.
This confirms that the scanner bulb is currupted.
I have a web link, which is given below with some of the troubleshooting steps to perform.
Click on the web link given above and perform the steps.
If this fixes the issue, that would be great else you need to replace or get a new or refurbished printer.