Question about BafoTech BAFO BF-1284 Parallel Adapter

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Initialization failed - Unable to acquire TWAIN-compliant device

This message "Initialization failed - Unable to acquire TWAIN-compliant device" display when i'm trying to scan using a BAFO-1284 USB-PARALELL cable connected to a Panasonic UF-4100 3-IN-ONE fax/scanner/printer with my laptop. Please note that printing is working perfectly.


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  • prakjobs Oct 17, 2007

    Thanks for your help, but I dont have any paralell port in my laptop - meaning I can't use the 3-in-one fax/scanner/printer to scan.



  • arka_2529 Apr 22, 2008

    same Problem

  • Anonymous Jun 06, 2008

    the document manager was unable to acquire twain compliant device
    on a a shared network but yet i am still able to print can n e 1 help me

  • Anonymous May 07, 2009

    no TWAIN-compliant device



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I deleted some of my programs, then when tried to scan i got the message that i need the TWAIN-Comliant Device, What kind of device is this?. y the way i have Window XP and i installed HP 3015 scaner.

I need your help

Thanks Rajaa

Posted on Feb 18, 2009

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I have seen your message stating that "Initialization failed - Unable to acquire TWAIN-compliant device" error is received when trying to connect USB-Parallel type to your Laptop.


Well,  Printer  Panasonic UF4100, recommends to use only " Printer/Scanner Interface as Bi-directional Parallel (IEEE1284) " means you need to use Parallel cable to connect Printer to the Computer/Notebook.  You may receive some communication error messages if you are using a  "PORT REPLICATOR CABLE"( USB TO PARALLEL connector).  The error message that you have received is related to the communication error. Futher, if you use same USB- Parallel cable for long time the Printer Hardware functionality might go bad, since Printer memory gets confused and will not read or detect the Cable , since it is not a cable to use  mentioned by Panasonic Manufacturer.


Let me tell you, general functionality of Printer like Printing would work even if you use USB-Parallel cable. But it is not a case with Scanner and Fax functionality.


Hence, I recommend you to use only Parallel cable to connect your Printer to the Laptops.


I hope that this will resolve the issue for you.


You can email me at if you need further assistance.



Posted on Oct 17, 2007


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Scanner Error Message


I understand that you are unable to scan from computer as well as from the printer front panel.

The issue that you are experiencing might be with the USB drivers unable to detect the printer.

However, please follow the below given instructions to resolve the issue.

Check for the communication between the computer and the printer by following the below given instructions:

To isolate the issue I suggest you to try scanning from Imaging for Windows which will scan from the all-in-one product using TWAIN software instead of the HP software.

1.Verify that the all-in-one product power is turned on and the printer cable is properly connected.

2.Click Start then Click Programs then Click Accessories then Click Imaging.

3.From the Imaging application, click File, and then click Select Device.

4.Select the HP all-in-one device from the TWAIN source list.

5.Click File, and then Acquire Image.

If you are unable to scan from the above steps, then confirms that the issue is with communication.

Refresh the USB composite drives to resolve the issue.

1. Right-click My Computer (in Windows XP, click Start first), and then click Properties.
2. Select the Hardware tab and then click Device Manager.
3. Click the Plus (+) sign next to Universal Serial Bus Controllers.
4. Click the USB Composite Device entry to highlight it, and then click Action and then click Uninstall. If a screen appears to confirm the deletion, confirm the deletion.
5. Disconnect the USB cable to the all-in-one, wait a couple seconds, and then reconnect the cable. This should restart Windows device detection (Plug and Play).
6. A New Hardware found screen may appear, click Next through all of the screens that appear for the Wizard to install the USB Composite Device. Click Finish once the wizard completes.

Then try scanning, even if the issue still persists uninstall and reinstall the USB drivers:

1. Save and close all programs that are currently running.
2. Click Start, select Shut Down, and choose Restart the computer.
3. Press the F8 function key, this will display the Windows Startup menu.
4. Select Safe mode.
5. After Windows loads in Safe mode, right-click the My Computer icon and select Properties.
6. Select the Hardware tab and click the Device Manager button.
7. In the Device Manager Window, double-click the Universal Serial Bus controllers.
8. Right-click the device listed under Universal Serial Bus controller and select Uninstall.
9. Click OK to confirm the removal of the device.

NOTE: Repeat steps 8 and 9 until all the devices under Universal Serial Bus Controller are removed.

The USB port is now uninstalled.

Now, restart the system. The system automatically detects and reinstalls the USB port.

Then try scanning this should resolve the issue.

If you are unable to scan from software, try running the scan diagnostic utility from the below weblink:

Here is the web link to download scan diagnostic utility:



Just copy and paste the entire link into the Internet browser's address bar and press enter.

Even if the issue still persists uninstall the complete All-in- one software and reinstall it.

This should resolve the issue.


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