39 minor ui changes

[allisonlyhuang]

Nav Bar

• Put "Printers / MFPs" and "Scanners" into separate items. Remove the "Products" dropdown
• Change blue "Support" button into "Download Center"

Contact Page

• Delete manufacturer warranty card
• Change the info to this

[support@avision-labs.com](mailto:support@avision-labs.com)
5107392369 
5694 Stewart Avenue, Fremont, CA 94538
Office Hours, Mon-Fri 9AM-5PM. Sat Sun Closed (weekday/end wording too casual)