Invoice and Dispatch from WIP:
Select the Job to Begin 
Select the Invoice Tab 
Click the Invoice Button 
In the Create Docket dialog click yes to create a new Dispatch Docket
Now enter the Quantity  if different from what was predicted
Select the courier company 
Enter the consignment note details 
Select 'Yes' to remove from WIP 
Click Next  to continue
The docket will be created along with the invoice.
You can view and print/email the invoice from the Invoice Tab by clicking on the Invoice Number.
You can view and print the Despatch Docket from the Files/Despatch Tab by clicking on the Docket Number.