Hello vlam,
Welcome to the HP Forums!
I understand your Laserjet 100 color mfp m175nw. I will do my best to assist you! Please follow this entire HP document on The Attention Light Blinks and a 'Paper Jam' Message Displays on the Control Panel.
If you're still experiencing the same problem, then please contact HP technical support for further assistance. Click here to find out: HP Worldwide Contact.
Good luck.