# System verification After the service pack has been applied, check the entire system to ensure that everything is working correctly: * Check that all workstations are operational * Verify that all peripherals are working correctly, such as receipt printers, bar and kitchen printers, customer displays, card readers, PIN Pads, etc. * Use a training employee to test all the normal sales operations. * Logon to the back-office and test daily administration and management duties, such as verifying punch cards, taking back-office reports, etc. * If possible, test a credit and a debit transaction to ensure that all systems are up and running before customers start showing up. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.maitredpos.com/maitred/maitred-pa-dss-implementation-guide/pa-dss-requirement-7.2.3/system-verification.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.