Step 1) Go to Master > Click on Voucher format Selection.
Step 2) After that Select Sales Voucher type
Step 3) Then after selecting Voucher from the list.
Step 4) And click on Setup button show in right side below
Step 5) Then after select Other Detail and select company logo path from Browse Option
Step 6) show option Terms & Conditions add all details in a blank box.
Step 7) Then Press Save Button or Press F2