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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

  1. Turn ON the Kiosk.
  2. Turn ON the printer.
  3. Wait until the printer is fully powered.
  4. Connect the USB/data cable to the printer.
  5. Connect the other end of the USB/data cable to the Kiosk.
  6. Wait approximately 5–10 seconds.
  7. Open/check VirtuKiosk.
  8. Verify that BluPrints / Printer Connected is displayed.
  9. 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

  1. Kiosk ON.
  2. Printer ON.
  3. VirtuKiosk Running.
  4. USB Connected.
  5. Disconnect USB Cable.
  6. Reconnect USB Cable.
  7. Printer is not Connectd.

How to Fix

  1. Remove USB Cable (connection between Kiosk and Printer) .
  2. Turn Off Printer (wait 5-10 second).
  3. Turn On printer (wait 5-10 second).
  4. Reconnect USB (wait untill kiosk connect with USB printer).
  5. Now check VirtuKiosk.
  6. Perform Test print.

Notes

  • In case of any failure, follow the guidelines above to reconnect the printer.
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