Scanner troubleshoot

Can anyone assist me with getting my HP 4500 Wireless All-In-One G510n-z version 3.3.2 Scanner to operate? The printer is fine, I can no longer scan and the update was successful. I have a MAC OSX Yosemite 10.10.5. I must scan and submit documents as soon as possible for work, scanner stopped working today, Wed., Oct. 7th.