Receipt Size: Receipt is the most common setting here unless you are using a desktop printer. If you are, then either Full or Full Professional are the setting you want. Full is a normal receipt on a full sized page. Full Profession printer an invoice in a format suitable for mail billing.
Print Invoices: Sets automatic printing of receipts on invoice completion. No means no receipts will print automatically. Yes will print receipts on the completion of each invoice. Prompt will ask after the completion of each invoice. CC Only prints only when a credit card invoice gets finished.
Print Kit Items: If this is checked, line items will print on the receipt for each item within the kit.
Print Acct Balance: If this is checked, the account balance for a customer will print on each receipt.
Print Amount Saved: If this is checked, the amount saved on each invoice will print on the receipt, calculated by Retail Price - Price
Display Equals: If this is checked, certain sections of the receipt will be blocked off with a line of ================
# of copies: Seperate for credit card receipts and other receipts, the number of copies to print upon successful completion of an invoice, assuming print invoices allows it to print at all.