1531/1581 Support

Before troubleshooting it is recommended that you look over the general information and terminology page.

Common Questions

• How do I know if a transaction is successfully authorized?
• What is offline mode?
• How do I upload my offline transactions for authorization?
• Why won’t my credit card swipe?
• How do I “manually” enter a card number?
• What is the difference between a void and return?
• Why won’t my printer print?
• Why are all Discover and American Express cards decline?
• How can I print a duplicate receipt?
• Where can I purchase accessories for my terminal?
• Where can I purchase printing paper for the Way printer?

Quick Reference Guide

Download the MTT 1531 users guide

Download the MTT 1581 users guide