invoice Print (Original & Duplicate) in Single Page Crystal report

Hello  Sir  U Have Any Solution    Invoice in A4 Paper

We Create Cr Invoice With Two Sub report (A,B)  A4 Page Size
A Sub report  for first Half Page
B Sub report  for Second Half Page

Both Subreport Has Fake Header & Fake Footer Report
Referance

Fake Header
https://userapps.support.sap.com/sap/support/knowledge/en/1210986

Fake Footer

https://userapps.support.sap.com/sap/support/knowledge/en/1216554#:~:text=To%20create%20fake%20page%20footers%20in%20subreports%20you%20need%20to,will%20act%20as%20page%20footers.&text=You%20must%20decide%20how%20many,static%2C%20as%20must%20the%20fields.

Call A&B Sub report in Main report
Detail A ------A SUb Report

Detail B ------B SUb Report

UnCheck  Sub Report Property Keep Object Together 
Report as Well As Sub Report Sucess for For Bewlow 7 Item in Invoice

 When Item is Greater Than 7 Item
Then My Invoice is Wrong

My Second Sub Report  Print on Second Page
After Printing First Sub report

I Also used  New Page After formula  Remainder (RecordNumber, 7)= 0 
But My Invoice Not Print correctly

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Blank Space in In FIrst Page

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This is My Problem

Note We used vb6/Sql Server with Cr10

Can you please elaborate your requirement