How To Process A Tip Addition - Hypercom M4230 User Manual

5.6 How to Process a Tip Addition

A tip addition is performed after the original transaction has been processed. The customer
verifies the base amount of the sale, offers a tip and signs the receipt. The adjustment
transaction is then processed.
Note:
Tip Addition applies to credit and charge cards only.
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The original purchase must have been without a tip.
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The original purchase must not yet have been settled.
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When tip addition is enabled, a signature must be obtained if the receipt reads
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'Approved with Signature' or if the cardholder writes a tip addition on the receipt.
This applies even if the original purchase is approved with PIN. A signature does not
need to be obtained if the receipt shows the original purchase as 'Approved', and no
Tip is added.
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EFTPOS PROFESSIONAL MOBILE GPRS USER GUIDE TRANSACTION PROCEDURES