To print any voucher or invoice, press ALT+P or click on the button Print. You can configure the voucher type to print automatically after saving the voucher.
Note: You can configure the printing options by selecting the appropriate buttons. You can give additional information, change titles, print additional pages, change printer settings.
The buttons Pre-Printed and Quick Format toggles for Plain Paper and Neat Format respectively. These are print specifications that you set. Pre-printed is for pre-printed stationery. Quick Format does not give fonts or other niceties but is ideal for fast printing. Select copies and give the number of copies to be printed, by default this is set to one copy. You can set the number of copies in Invoice Printing Configuration
Go to Gateway of Tally > F12: Configure > Printing
View invoice as voucher and vice-versa
Once you create the invoice, you can view it as a voucher by simply displaying it and clicking on the toggle button [As invoice] / [As Voucher] or pressing CTRL+V. The same can be done with a sales voucher to be brought up as an invoice
Display/Alter a Voucher/Invoice
You can display a voucher or alter it (subject to authority), by simply drilling down any display screen.
For example, from the Balance Sheet, press Enter on the group Sundry Debtors, then on the particular ledger, which brings up its monthly summary. Continue the selection process till you see the list of vouchers and then the voucher itself. You may to alter a voucher by going through the ledger display screen or the Day Book.
Note: If you do not have the authority to alter a voucher, the voucher would be brought up for display only.