Connect Barcode Scanner Datalogic QuickScan QBT2101 with Windows 10 and add Tab as Suffix

Below you find the steps to connect a Datalogic QuickScan QBT2101 Barcode Scanner and Windows 10 with Bluetooth and add Tab-Key as Suffix after the scanned code.

What is a Suffix?


You can find the used Barcodes from the references, for easy reproduction I have copied them into this article.

  1. Scan variable barcode
  2. Scan Link code
  3. Search and connect from Windows. Windows should ask for an authentication code. Select “0000” and hit return
  4. Now the green light on the Scanner should light up
  5. Send the code below four times
  6. Commit the scanned code with
  7. Now you can use the Scanner, after every scan it should send a Return by default.

You can scan the following code to configure the scanner to add an Tab-Key after every code instead of Return

In detail: This code sets the scanner to programming mode, send the given Suffix and exit from the programming mode.

Stellengesuch Marathon

Letzte Änderung: 17.4.2019, 16:56

Zum Stellengesuch

Stellengesuch Marathon 2019

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TU Wien – Freihaus: 48.199432, 16.366434
TU Wien – Resselpark: 48.198896, 16.369865
Baden HQ: 48.004568, 16.218731
Art-X – Vösendorf: 48.113674, 16.319041
Berndorf – Billa: 47.945108, 16.106420
Berndorf – Sparkasse: 47.945249, 16.106554

Nautilus stopped mounting USB disk

Weeks ago Nautilus stopped mounting USB devices/disks when they are plugged in.

Here you find the solutions 🙂


  • Arch Linux (8.2.2019)
  • Gnome (3.30.2)
  • Nautilus (3.30.5)


  1. Open dconf and navigate to “”
  2. Set ‘x-content/unix-software’ for “autorun-x-content-start-app” or set as default value

Build APC RBC7 with two FIAMM FG 21803 Batteries

Today I had to build an APC RBC7 for an APC SMART-UPS 1400 out of two FIAMM FG 21803.

  1. Open the UPS and remove the battery
  2. Remove the first cover to reveal the connectors. You can use a hair dryer to warm up the double sided tape.
  3. Remove the fuse
  4. Mount the fuse on the new battery
  5. Add some double side tape on the cover and place it on the new battery
  6. Remove the plug connectors and add it to the new battery
  7. Add the cover with double side tape
  8. Put the new battery into the UPS, charge it and run the tests

brother HL-5250DN: Reset Fuser counter

Today a fuser unit for a brother HL-5250DN should be replaced.
The fuser replacemant was easy but the counter reset was a little bit of a nightmare.

Here are the steps how I was able to reset the fuser counter.

  1. Download and unzip the file
  2. Disconnect the LAN cable and attach a USB cable
  3. Start the application
  4. Set the printer to HL-5250DN and read the informations.
    Note: The screenshot was taken after resetting the counter. 
  5. Reset the counter
  6. Recheck the values
  7. Close the application
  8. Disconnect the USB cable and reconnect the LAN cable
  9. Recheck the values on the webinterface

Done, no fuser replacement for the next 100.000 pages 🙂

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