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The ports 0-1023 are called well known ports, they are registered with special services: 22 ssh 23 telnet 25 smtp 80 http 143 imap 443 https and so on, see /etc/services. This is the server side waiting for a client to connect. The client ( telnet, webbrowser, putty ...) will use a random high port (ports are 16 bit so 0- 65k ) for example 38743, it opens ...


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Try installing the SANE scanner frontend: sudo apt-get install xsane. Some Canon scanners are supported. Alternatively, you could use Canon's own suite called ScanGearMP, which you can find here. The U.S. support site of Canon doesn't offer this package, but I found it on the Swiss site. Download and install the deb file. It doesn't come with an application ...


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It is normal that the port are closed if no service like ssh server or web server is opening them. If you install openssh-server port 22 will be opened, if you install apache2 port 80 will be opened. If you use ssh ( apt-get install openssh-client ) or a webbrowser it will temporary open a random high port for the duration of the usage. Port 53 is dns. ...


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1. Printer driver: http://www.canon-europe.com/Support/Consumer_Products/products/Fax__Multifunctionals/Laser/LaserBase_MF_series/i-SENSYS_MF4750.aspx?type=download&softwaredetailid=tcm:13-1135803&os=Linux&language= 2. Scaner driver : sudo apt-get install libusb-dev build-essential libsane-dev sudo apt-get install git-core Download latest ...


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UPDATE(02-12-2014) We already solved the problem. Instead of evtest we created a script which reads out a user input and use that to get the barcodes from the scangun.


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Scanimag -L:device'snapscan:lib usb;001:003 is a Epson Scanner flatbed scanner. could not find stringdescriptor:pipe error. whatever that means!


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'Failed to open device'hpaio:/usb/HP_LaserJet_Professional_M1136_MFP?serial=0000000000H77VXNPR1a': Error during device I/O.' I had the above error when i upgraded ubuntu 14.04 to 14.10. And i found the solution as below. Open the terminal Type sudo hp-plugin Go through the HP installation And you will get no error message


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Yes they work together, you have to install iscan-data_1.33.0-1_all.deb iscan_2.30.0-1~usb0.1.ltdl7_amd64.deb iscan-plugin-gt-x820_2.2.0-1_amd64.deb in that order, download from Epson


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This seems to be Launchpad bug #1026159. A commenter on the bug tracker suggests a workaround: Open a terminal and type: gksudo gedit /etc/sane.d/xerox_mfp.conf At the end of the file copy/paste these two lines, save and exit: # Samsung SCX-4100 usb 0x04e8 0x3413 Now the same for the second file. From terminal type: gksudo gedit ...



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