Question about Epson Stylus CX5400 All-In-One InkJet Printer

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Message "Scanner could not allocate required memory"

I have the same problem as noted elsewhere. I get the message "Scanner could not allocate required memory. Quit other application and try again" Nothing else is open. Can't get past it.

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  • buckleylr Jul 21, 2009

    Solved my own problem by contacting Epson. See transcript below:

    Session Started with Agent (Natalie Jonsson)
    System: "Hello Lynn. Thank you for connecting to EPSON e-Talk through the website."
    Lynn: "I have the message "Scanner could not allocate required memory. Quit other application and try again" I have an Apple iMac wit"
    Agent (Natalie Jonsson): "Thank you for contacting Epson's UK Customer Interaction Centre. My name is Natalie Jonsson.

    Agent (Natalie Jonsson): "If you are experiencing a message similar to ‘Scanner could not allocate required memory’ I advise to try the following process to resolve the issue:"
    Agent (Natalie Jonsson): "1. Open EPSON Scan in Professional Mode."
    Agent (Natalie Jonsson): "2. Click the Configuration button."
    Agent (Natalie Jonsson): "3. Select the Other tab."
    Agent (Natalie Jonsson): "4. Change the work area to your hard drive by using the browse button."
    Agent (Natalie Jonsson): "5. The issue should now be resolved."
    Lynn: "It won't let me browse"
    Agent (Natalie Jonsson): "Please try and reinstall Epson Scan"
    Agent (Natalie Jonsson): "Which Scanner do you have?"
    Lynn: "OK. epson Perfection 4990 PHOTO"
    Agent (Natalie Jonsson): "OK"
    Agent (Natalie Jonsson): "Intel or Power PC processor on your Mac?"
    Lynn: "intel"
    Agent (Natalie Jonsson): "Please disconnect the scanner"
    Agent (Natalie Jonsson): "then uninstall"
    Agent (Natalie Jonsson): "Then install again from below link"
    Agent (Natalie Jonsson) sends page: ""
    Lynn: "Is there any special way to uninstall on a Mac?"

    Agent (Natalie Jonsson): "I would suggest fully removing and reinstalling the EPSON SCAN software using the procedure detailed below.

    1) Disconnect the scanner.

    2) Run the installer from the original installation CD or downloaded driver. Choose Uninstall from the drop-down menu."
    Reboot once completed.

    3) Browse to the OSX Hard Disk. Browse to the Library\ApplicationSupport\TWAIN\TWAIN Data sources or Library\ApplicationSupport. Delete anything beginning with EPSON (files or folders).

    4) Browse to Users\[Username]\Library\Preferences\EPSON. Delete anything beginning with EPSON (files or folders).

    5) Browse to Library\Image Capture\Twain Data Sources. Delete any file relating to the scanner model only.

    6) Browse to Library\Image Capture\Devices. Delete EPSON Scanner.

    7) Browse to Applications\Utilities. Delete EPSON Scan Settings.

    8) Browse to Applications. Delete EPSON Scan, EPSON Scanner Monitor (this process must be stopped first).

    To stop the process browse to Applications\Utilities and open the Process Viewer (or Activity Monitor in OS10.3.x or above). Select the EPSON Scanner Monitor and from the Process menu, select Quit process.

    Once you have completed the above you will need to restart the
    computer. Once it has finished rebooting, empty the trash.

    If you need to reinstall the software you can run through the standard installer from the original installation CD or the latest downloaded driver from our website.

    Please log off and try this and reconnect to EPSON e-Talk if the problem persists.

  • Michael Grey
    Michael Grey May 11, 2010

    Are you running windows? If so try to clean your temporary files



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I have the same problem, scanning from Corel PhotoPaint 12, PhotoShop CS2 and now PhotoShop CS4, the latter after a HDD reformat and full install of software. The disk I am using for workspace has 339Gb space, so there really shouldn't be a problem. This only occurs when scanning transparencies - I can't even scan a 1 inch by 1.5 inch slide in 8 bit grey at 100%. Sounds like something to do with the transparency adapter itself. Lokos like Isghall have to revert to my behemoth Mustek A3 scanner.

Posted on Nov 28, 2009

  • mangesh nikam
    mangesh nikam Mar 28, 2014

    isue has been resolved for the same


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Increase the space for virtual memory

Posted on Aug 10, 2009


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