Member Avatar for q_irfan75

I m trying to install Datamax Allegro2 barcode printer. when i choose to finish the installation i got the error "Unable to install printer........ I already change the "Services" of printer "Automatic" but it does not work, I have also change the unsinged driver installation behaviour to be "silently succeed" but its giving me the same error, I dont understand the what the problem is? can any body give me some suggestion

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  • Latest Post Latest Post by whpcrmgirl

Dani AI

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If the Datamax Allegro II installer fails with a generic "operation could not be completed" message, start with a few targeted checks that often fix Windows-era printer installs. As suggested, confirm the physical connection (USB vs serial vs parallel) and the exact OS and bitness — the wrong driver or port type is the most common cause. , try the checklist below before repeating installs.

  1. Clean up partial installs and the spooler

    • Stop the Print Spooler service, then empty C:\Windows\system32\spool\PRINTERS (stop spooler first). Restart the service.
    • In Printers -> Server Properties -> Drivers (or Print Management on newer Windows), remove any driver packages for the Allegro model.
    • In Device Manager enable "Show hidden devices" and uninstall any ghost/unknown printer entries.

  2. Install the correct driver and port

    • Run the installer as Administrator. If the installer fails, install manually: Add Printer -> Local -> choose/create the correct port (USB virtual COM like USB001 or the actual COM/LPT port) -> Have Disk -> point to the driver INF.
    • If the device uses a USB-to-serial virtual COM driver, install that virtual-serial driver first so Windows exposes a COM port.

  3. Quick functional tests and settings

    • Try printing plain text from Notepad to the target port to rule out application issues.
    • Change the printer’s spool option to "Print directly to the printer" when testing.
    • Check ports/advanced driver emulation settings; label printers often require a matching command language or emulation.

For : if the test page prints but ordinary documents do not, check that the app is sending to the right printer, that the printer is not paused, and that the driver is not "Generic/Text Only." Try printing from several apps (Notepad, Word, PDF) to isolate whether the problem is the app, the driver, or the spooler. If problems persist, collect the Spooler errors from Event Viewer and note OS, connection type, and exact driver version before contacting support.

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Member Avatar for TT4Titans

How are you connecting it usb,serial, or parallel?

Also what Operating system you using?

Member Avatar for whpcrmgirl

sorry this has nothing to do with your answer to the this is the only way i could maybe get an answer to my ?. i have asked it 4 times and yet no one has had an answer for me all these high tech brilliant people,yet to a simple ? i cannot get a solution to.
everything is runnning and working fine on printer except that it prints test pages and nothing else i have tried absolutely everything that every site has said to try and it still does work when i print a document paper comes out clean , new carts are in working order not transparent tape on it , have cleaned it have done everything to no avail. PLEASE HELP ME been trying to fix this for 4 days now

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