Question about HP PhotoSmart C4280 Laser Printer

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Scanner says usb not connected - HP PhotoSmart C4280 Laser Printer

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  • ninka Oct 19, 2008

    the scanner says usb cord not connect and my microsoft word says there is no scanner. wtf?!

  • Anonymous Nov 20, 2008

    same

  • kenzie307 Nov 24, 2008

    Printer works fine....C4280 All in One...but try to scan and the message window say USB not connected.

  • streetcar Jan 22, 2009

    same problem!

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Ok - the reason this error pops up is because there is a software issue going on. If the software is correctly installed you will see options for where the scan will go in the computer.
Having said that there are several things that can cause a problem between the printer and the software;
1) You are connecting the printer by USB to router - you may print but will never be able to scan as this is not a networkable printer. Connect it directly to your computer and recomplete the setup portion to configure the scanner.
2) You have not finished the setup. At the end of the installer you can setup the scanner but if you skipped this step you will have to redo it in order for it to connect. Click on the device manager in your dock and then next to information and settings there will be a little wheel. Click on the wheel and go to setup assistant. Complete the assistant and try to scan.
3) The printer is not grabbing the new software options - leave the printer turned on but unplug the power cord and wait for 30 seconds. Plug printer back in - when you do this it should initialize and will look to the mac for changes and the options should load.
4) Software missing - You MUST have the software for the printer installed for scanning function. Adobe and other programs cannot replace it - it has to be installed.
5) Software is corrupted. Uninstall the software (uninstaller is under applications in the HP folder) and then download (www.hp.com) and install the most recent full feature software and drivers for your operating system.
6) If all these steps fail you may have an issue with your computer and it's TWAIN drivers.

Posted on Jan 17, 2009

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For Mac OS 10.5.8, go to Applications/Hewlitt Packard and use the uninstall software to uninstall the old version of the driver. This is essential. Restart. Go HP website, find the C4280 and download the new version of the software 9.7.1. It is 187.98 MB. Install the software.Check apple preferences to be sure you see your printer/scanner added to the list. If you don't uninstall first, installing the newer version will not allow you to use the scan function. All you get is an error message: scanner can't be found/USB cable not connected.

Posted on Apr 08, 2011

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The scanner has quit working. Error message says printer cannot connect. Printing works find from computer. Copying too.


Switch off the scanner and disconnect the usb cable then restart your computer.

When the computer has booted up, reconnect the scanner usb. Try the scanner.

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I have scanned documents and photos before, but now I get a message that the scanner is turned off and the USB cable is not connected.


Did you try to connect it to another USB port?
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A quick fix for most communication errors can be achieved by resetting the printer and/or rebooting the PC. Simply disconnect the printer from your computer (if USB connected)> reboot your pc > unplug and re-plug the printer into the power source to reset it. When the printer turns on, reconnect it to your computer (if USB connected). Then try to print again once the computer fully recognizes the USB connection or when the WiFi light on the printer turns solid green (if WiFi connected.).


If that doesn't help, try the steps below:

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Hi my scanner is not working and my computer is a hp how do i fix it please


Make Sure Scanner is powered up and connected via USB

Connect scanner to a different USB port in your PC.

If it prompts to install driver, reinstall it with the provided drivers.

Go to Control Panel -> Devices and Printers & see if you can detect Lexmark scanner there.

If still not, you can try out a different OS or a laptop just to make sure that scanner is working properly.Post results if you tried this option.

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Pushing scanner button does nothing, and using software to scan results in a "no scanner" connected error message, even though it is connected and prints just fine.


Is it connected by a USB cable? Try a new data cable and swapping ports. If you have it connected to a print server or USB hub, try a direct connection. Scanners require bi-directional communication with the computer and are more likely to fail to respond to a problem that blocks the signal than the printer. Does the scanner light move and make the usual warm up sounds? Do you have the full software installed or a basic driver from the OS? Do you have the latest software installed?

Disconnect the power cord from both the unit and the wall outlet and the USB cable from both the computer and the printer. Wait at least 10 seconds before reconnecting (resets the all-in-one). Repeat the USB cable removal with the computer and the printer on. Reboot the computer (in case something is locking the scanner in memory).

Check if the scanner shows up as an imaging device. Click My Computer (in some versions of windows), Properties. Click the Device Manager tab. Open Imaging Device. Highlight the all-in-one and click Remove. Try scanning again. (This can be found through the control panel on other versions of Windows.)

I hope this helps.

Cindy Wells

I hope this helps.

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Scanner or PC?


Neither is it a prob with the computer nor with the scanner.

 

Let me guess,

either is your usb connection cable longer than 2m or you have connected the usb printer/scanner cable to a usb hub.

 

Do use a cable no longer than a max of 3m and do connect the usb cable directly to the computer usb slot.

 

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