You can buy blank check paper (also called "check stock") from several major retailers both in-store and online, as well as from specialized security paper suppliers. Most blank check stock is designed to work with standard inkjet and laser printers and is compatible with common accounting software like QuickBooks and Quicken. Major Retailers and Office Supply Stores
These stores often carry individual packs or bulk quantities in their office supply sections. Blank Checks in Money Handling - Walmart.com where can i buy blank checks