I want to generate both E-Invoice and print invoice from the same voucher in BUSY but am unable to do so. What is the right way to generate both formats?

To configure automatic E Invoice in BUSY , you need to follow the below steps:
1.Create the GSP credentials from E way bill portal:
Step 1: Login the E way bill portal by using your E way bill credentials
Step 2: and the Go to registration and click on For GSP tab
Step 3: Afterward, you will receive an OTP from the E-way bill portal on your registered email ID and mobile number.
Step 4: Click on Add button then select the GSP server named Webtel electrosoft pvt. Ltd. and Create the GSP credentials.
Step 5: Now create one more GSP Credentials with GSP server named pinnacle finserv advisors private limited.
2. E Invoice configuration in BUSY:
Step 1: Go to Administration and then Configuration tab
Step 2: Click on Features and Options menu and Choose the GST/VAT Configuration option
Step 3: Now, Enable the E Invoice feature then click on configuration tab
Step 4: Next, Mention From place and pin code of company in Configuration and then specify the GSP server username and password in GST/VAT under E way configuration.
Step 5: Validate the both GSP Credentials and save the configuration.
Step 6: Now again Go to administration then configuration
Step 7: Click on voucher series configuration and select the voucher type 
Step 8: Select the voucher series and then click on the Voucher Configuration tab that appears on the right side.
Step 9: Select Y for Generate E Invoice after saving , your configure is done.