BluPrints Printer -- ViruKiosk USB Testing & Troubleshooting Guide

Overview 
 This document covers the USB connection, printer detection, printing, test cases, and troubleshooting procedure for the BluPrints printer connected to a VirtuKiosk Android device. 
 The purpose of this guide is to: 
 
 Verify that the printer is detected correctly. 
 Identify USB connection problems. 
 Reproduce the intermittent printer-disconnection issue. 
 Provide a simple recovery procedure. 
 Help anyone troubleshoot and resolve the printer connection issue. 
 
 
 Printer Information 
 
 
 
 Item 
 Value 
 
 
 
 
 Printer 
 BluPrints 
 
 
 Manufacturer 
 AMSPL 
 
 
 USB VID 
 0416 
 
 
 USB PID 
 5011 
 
 
 USB Type 
 USB Printer 
 
 
 
 
 Test Cases 
 
 
 
 Test Case ID 
 Test Case 
 Steps / Scenario 
 Expected Result 
 Actual Result 
 Status 
 
 
 
 
 T01 
 Normal Printer Connection 
 Turn ON Kiosk → Turn ON Printer → Connect USB cable 
 BluPrints should be detected 
 BluPrints detected successfully 
 PASS 
 
 
 T02 
 Printer Power Cycle 
 Keep USB connected → Turn Printer OFF → Wait → Turn Printer ON 
 Printer should reconnect automatically 
 Printer re-enumerated successfully 
 PASS 
 
 
 T03 
 Kiosk Reboot With Printer Connected 
 Keep Printer ON + USB connected → Reboot Kiosk 
 Printer should be detected after Android boots 
 BluPrints detected successfully 
 PASS 
 
 
 T04 
 USB Disconnect/Reconnect While Printer Remains ON 
 Disconnect USB → Reconnect USB without turning OFF printer 
 Printer should be detected again 
 USB enumeration failed with error -71 
 FAIL 
 
 
 T05 
 Printer-Side USB Disconnect/Reconnect 
 Disconnect USB from printer side → Reconnect while printer remains ON 
 Printer should be detected 
 USB enumeration failed with error -71 
 FAIL 
 
 
 T06 
 Printer Power Reset + USB Reconnect 
 Printer OFF → Remove USB → Printer ON → Reconnect USB 
 Printer should be detected 
 BluPrints detected successfully 
 PASS 
 
 
 T07 
 Printer Startup Wait – 15 Seconds 
 Printer OFF → Remove USB → Printer ON → Wait 15 sec → Connect USB 
 Printer should be detected 
 BluPrints detected successfully 
 PASS 
 
 
 T08 
 Printer Fully ON Before USB Connection 
 Printer ON → Wait 30 sec → Connect USB 
 Printer should be detected 
 BluPrints detected successfully 
 PASS 
 
 
 T09 
 Kiosk Cold Power Cycle 
 Printer ON + USB connected → Turn Kiosk OFF → Turn Kiosk ON 
 Printer should be detected after boot 
 BluPrints detected successfully 
 PASS 
 
 
 T10 
 VirtuKiosk Application Restart 
 Printer connected → Close VirtuKiosk → Reopen VirtuKiosk 
 Application should detect already-connected printer 
 BluPrints detected successfully 
 PASS 
 
 
 T11 
 Actual Printing 
 Connect printer → Open VirtuKiosk → Click printer button → Print test value 
 Printer should print successfully 
 Test value printed successfully 
 PASS 
 
 
 T12 
 USB Disconnect/Reconnect While VirtuKiosk Is Running 
 Keep VirtuKiosk open → Disconnect USB → Reconnect USB 
 Printer should reconnect 
 USB enumeration failed with error -71 
 FAIL 
 
 
 T13 
 Replacement USB Data Cable 
 Replace USB data cable → Repeat printer connection test 
 Printer should connect if original cable is faulty 
 Same failure pattern occurred 
 FAIL 
 
 
 T14 
 Printer Disconnect Recovery Procedure 
 Remove USB cable from both sides → Printer OFF → Printer ON → Wait 10 sec → Reconnect USB 
 Printer should reconnect 
 BluPrints connected successfully 
 PASS 
 
 
 
 
 Normal Printer Connection 
 Follow these steps when connecting the printer normally. 
 Steps 
 
 Turn ON the Kiosk . 
 Turn ON the printer . 
 Wait until the printer is fully powered. 
 Connect the USB/data cable to the printer . 
 Connect the other end of the USB/data cable to the Kiosk . 
 Wait approximately 5–10 seconds . 
 Open/check VirtuKiosk . 
 Verify that BluPrints / Printer Connected is displayed. 
 Perform a test print. 
 
 
 Main Failure 
 The main failure observed during testing occurs when the printer is powered ON and the USB/data cable is disconnected and reconnected while the Kiosk remains powered ON. 
 Failure Scenario 
 
 Kiosk ON. 
 Printer ON. 
 VirtuKiosk Running. 
 USB Connected. 
 Disconnect USB Cable. 
 Reconnect USB Cable. 
 Printer is not Connectd. 
 
 How to Fix 
 
 Remove USB Cable (connection between Kiosk and Printer) . 
 Turn Off Printer (wait 5-10 second). 
 Turn On printer (wait 5-10 second). 
 Reconnect USB (wait untill kiosk connect with USB printer). 
 Now check VirtuKiosk. 
 Perform Test print. 
 
 Notes 
 
 In case of any failure, follow the guidelines above to reconnect the printer.