How to Print Payment QR Code on Invoice?

In BUSY Payment QR code Possible in Both Standard & Advance format.
In Standard Format Payment QR code will appear if E-Invoice Configuration enabled & Transaction Made under B2C (Sales to unregister party).
For Payment QRCode in Standard Format, Please follow Below Steps
Step 1 : Enable E-Invoice in GST Configuration.
Step2 : Set “Y” in B2C QR Code Required.
Step3 : Enter B2C QR Code Details.
Step4 : Enable Print E-Invoice QR Code in Standard Invoice format.
Step5 : Make B2C Transaction & Check Payment QR Code.
For Payment QR Code in Advanced (design) format
There are two ways to Generate Payment QR code in BUSY 
Format :  2) Text : 
Please follow below steps for Payment Qr code in advance format
Step 1 : Create New Format in Advance format and set Header line=1 Body & Footer line=0 in page setting.
Step 2 : in the added new format’s header write UPI details.
Step 3 : Please take backup of existing format in which you need to add Payment QR code(if users try to add Qr code in existing format)
Step 4 : Create necessary space where users need to show Payment QR Code in Header or Footer
Step 5 : Select QR code field from Print Style(F4) and Set format Name of QRcode as per below example
Let’s assume users created new format as per step 1 with Name ‘QRC’
And as per step 5 user select QR Code Field from Print Style(F4) in Invoice Format 
F: users need to replace Format Name where QR Code UPI detail entered.
S: if users need to change size of QR Code
As per Example your final QR Code Field : 
Step 6 : if user need to write QR Code details in same invoice then no need to follow Step1, Step2 & Step5’s example
User need to follow below example 
T: here users need to write UPI details same like added in step1 new format
Note : Advanced format QR Code will shows in all type of sale transaction (B2B,B2C,.. etc)
Note 2 : In QR Code you can used for other information also like users need to add Billing details in QRCode like Invoice No, Invoice Date, Party GSTIN etc.
Related Video
https://www.youtube.com/watch?v=-p1NVQ89vzw