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Quick IWL255 Merchant Operator Guide  

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7.  If tipping enabled, enter tip and press [OK] or to bypass just press [OK]
8.  Enter the Reference number which can be found on the top of your merchant receipt.
9.  Terminal will display the correct completion transaction details after processing. Press [OK] to confirm the completion 

transaction and to print the completion receipt. 

10.  Verify signature. Press [YES] to approve or [NO] to decline (signature transaction only)
11.  Press [YES] to print customer copy or [NO] to suppress

Preauthorisation - Completion with date, time and Auth number 

1.  Press [F1] key to select the AUTH menu
2.  Press [2] to select COMPLETION
3.  Enter the manager password and press [OK]
4.  Swipe/insert the card or manually enter the card number. Contactless is not accepted for preauthorisation transactions. 

The account type defaults to credit. If the card being used is a debit card, the “Credit account required” exception will 
occur. 

5.  If multiple merchant function is enabled, select the required account
6.  Enter the completion amount of the transaction and press [OK]
7.  If tipping enabled, enter tip and press [OK] or to bypass just press [OK]
8.  Enter Auth number which can be found near the bottom of your merchant receipt 
9.  Enter the date from the preauthorisation transaction receipt 
10.  Enter the time from the preauthorisation transaction receipt 
11.  Re-enter the Auth number 
12.  Terminal will prompt for the Reference number, press [OK] to skip.
13.  Terminal will display the correct completion transaction details after processing. Press [OK] to confirm the completion 

transaction. Merchant receipt is printed.

14.  Verify signature. Press [YES] to approve or [NO] to decline (signature transaction only)
15.  Press [YES] to print customer copy or [NO] to suppress

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