“UbuntuHelp:ScanningHowTo”的版本间的差异

2007年12月6日 (四) 15:41的版本

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https://help.ubuntu.com/community/ScanningHowTo

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Scanning in Ubuntu is actually quite easy. This guide will walk you through how to use your scanner and what to do if Ubuntu cannot find your scanner.

Does my scanner work with Ubuntu?

There are three ways to see if you scanner works in Ubuntu:

1. Simply plug it in and try it! If it is a newer USB scanner, it is likely that it will just work.
2. Check https://wiki.ubuntu.com/HardwareSupportComponentsScanners which is Ubuntu specific.
3. SANE project listing of support scanners - The SANE (Scanner Access Now Easy) project provides most of the backends to the scanning software on Ubuntu.

Using your scanner

Most of the time, Ubuntu will simply detect your scanner and you just be able to use it. To scan a document, you need to follow these steps:

1. Place what you want to scan on the scanner
2. Go to Applications --> Graphics --> XSane Image Scanner
3. Alternately, pressing the scan button on the scanner should also work

What if it says "No devices available"?

There are two reasons why you might get this message.

1. Your scanner is not supported in Ubuntu. The most common type of scanner not supported is old parallel port or Lexmark All-in-One printer/scanner/faxes
2. The driver for your scanner is not being autoloaded
3. If your scanner is a Mustek 1200 UB Plus you will need this file sbfw.usb then rename it to "PS1fw.usb" then put the file in the directory "/usr/share/sane/gt68xx" (remember to give read permission to all users)

Manually installing a scanner

There are some scanners that have less than complete drivers from the SANE project. They can sometimes be used, but not all the features may work. These scanners are:

• HP 4200
• HP 3300C
• HP 4300C
• Agfa Snapscan Touch
• HP 4400C
• HP 4470C

1. Make sure the Universe repository is enabled. The easiest way to do this is probably through Synaptic.
2. Get the drivers by searching Synaptic for libsane-extras or at a terminal type:

sudo apt-get install libsane-extras

1. Edit the /etc/sane.d/dll.conf and enable the right driver for your scanner. Look for the lines that say:

# The following backends are not part of the SANE distribution
# but are provided by the libsane-extras Debian package

Below it are several commented out lines. Uncomment (delete the #) the right one for your scanner, as follows:

• HP 4200 - uncomment the hp4200 line.
• HP 3300C, HP 3400C, HP 4300C, Afga Snapscan Touch - uncomment the niash line.
• HP 4400C, HP 4470C - uncomment the hp_rts88xx line.

4.) Fire up sane and scan away. Note: Because of the way Linux's hotplugging stuff works, you may need to plug in the scanner after the computer has booted. If you're having problems seeing the scanner, you might want to try this.

Manually Installing a Network Scanner

Ubuntu does not automatically detect a scanner that is shared by a remote computer so you need to set it up manually:

Server-side Setup

On the computer that is sharing the scanner you need to add the following line to /etc/inetd.conf

sane-port stream tcp nowait saned.saned /usr/sbin/saned saned

And restart inetd:

sudo /etc/init.d/inetd restart

Or, if you are using xinetd, create a file called /etc/xinetd.d/saned and enter the following in the file:

{
socket_type = stream
server = /usr/sbin/saned
protocol = tcp
user = saned
group = saned
wait = no
disable = no
}

And restart xinetd:

sudo /etc/init.d/xinetd restart

Now add the following line to /etc/sane.d/sand.conf to share the printer with all computers on your subnet:

192.168.1.0/24

Client-side Setup

From the client, all you need to do is add server name or IP address of the scanner server to /etc/sane.d/net.conf:

192.168.1.100

Now run xsane and it should pick up the new network scanner.

Specific Models

Some specific models have been documented here:

• Lifetec9385Config
• ArtecEplus48uConf
• GeniusColorpageVivid4X

Helping Ubuntu support more scanners

There are a number of ways you can help Ubuntu support more scanners

• Support the SANE (Scanner Access Now Easy) project, which provides most of the scanning backend information. Contributing to SANE
• When purchasing a new scanner, always ask if it works in Linux
• Contact the manufacturer about supporting your scanner under Linux. Make certain you tell them about the SANE project

External links

• SANE project (Scanner Access Now Easy)
• SANE's scanner howto