Networking with printer and Comodo firewall

Have a comp linked to my printer Canon Pixma mp500 and a another comp both wireless to my BTHomeHub
Question I want a network system up and running ,I followed the instructions and put the drives in to both comp for my printer but can not see my comp on either comp .On second comp have comodo as my firewall will this stop it and can I fix :THNK

Can you post a screenshot of your global rules?


Sorry did not get back to u ,have turned comodo off but still could not get a network up and running will try some where else …Thanks for your Help