Hi Basma,
Thank you for using the Support Forum. Please take a look at the tips for resolving scan issues. If these tips do not help please contact your local support centre for additional assistance.
I have Xerox 6204 Wide Format it was Copy , Print & Scan good it's Controller ( dell PC 780) was Dameged after fixing dell it copy & Print good but the Scan to net not present I try to upload the file from https://www.xeroxlicensing.xerox.com/coupon and Choose Replace all keys after a software upgrade it dosen't help to acive scan I have Scan to net Coupon ID I try Reset a coupon after hardware failure. masage Error!
Hardware address is already in use. what Should I do to get scan work again