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    <title>topic Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac) in Desktop Inkjet Printers</title>
    <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/180974#M36065</link>
    <description>&lt;P&gt;I contacted support, telling them that I had tried unpluggin, repluggin, restarting, etc. They sent me here:&amp;nbsp;&lt;A href="https://support.usa.canon.com/kb/index?page=content&amp;amp;id=ART140120&amp;amp;actp=search&amp;amp;viewlocale=en_US&amp;amp;searchid=1470064293361" target="_blank"&gt;https://support.usa.canon.com/kb/index?page=content&amp;amp;id=ART140120&amp;amp;actp=search&amp;amp;viewlocale=en_US&amp;amp;searchid=1470064293361&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;...so, basically, they just told me to unplug it and replug it. Not helpful at all. I'm stuck. I have no idea how to fix this. Obviously there's some communication from the scanner to the computer, since it automatically boots the scan utility. But I just get the error message&lt;/P&gt;&lt;P&gt;"&lt;/P&gt;&lt;P&gt;Cannot communicate with scanner for these reasons:&lt;BR /&gt;- Scanner is turned off.&lt;BR /&gt;- USB cable is disconnected.&lt;/P&gt;&lt;P&gt;Please check and try again.&lt;/P&gt;&lt;P&gt;Code:15,156,0"&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Very disappointed. There's nothing wrong with the machine, as I can actually get it to work on my husband's Dell. Is it possible there's a software problem with getting it to work on Mac , running El Capitan?&lt;/P&gt;</description>
    <pubDate>Mon, 01 Aug 2016 16:32:26 GMT</pubDate>
    <dc:creator>meganraby</dc:creator>
    <dc:date>2016-08-01T16:32:26Z</dc:date>
    <item>
      <title>Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/137721#M36060</link>
      <description>&lt;P&gt;I just bought this printer and have been trying to get it to work with my Mac that's running OS X 10.7. At this point, I'm at a loss; I've tried plugging the scanner into the computer via USB, but that doesn't seem to get it to connect either.&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I connected it to the wireless network just fine. I just keep getting this message when I try to scan:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Cannot communicate with scanner for these reasons:&lt;BR /&gt;- Scanner is turned off.&lt;BR /&gt;- (If using Wired LAN connection) It is disconnected from Wired LAN.&lt;BR /&gt;- (If using wireless LAN connection) Signal strength is poor due to obstructions.&lt;BR /&gt;- Network connection is prohibited by security software.&lt;BR /&gt;- Different scanner on the network is selected.&lt;/P&gt;&lt;P&gt;Please check and try again.&lt;/P&gt;&lt;P&gt;Code:15,157,0&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;And when I use the panel on the printer itself, it doesn't do anything--I can choose all of the settings I want, but when I press Start, it tells me to "Please wait a while" and then nothing happens.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;If I don't figure this out soon, I think I may have to return it and find something else that's more Mac-friendly. I'm pretty tech savvy and am usually very patient with things like this, but I have no idea what else to do... I've spent several hours trying to get it to work.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Please help!!&lt;/P&gt;</description>
      <pubDate>Tue, 07 Apr 2015 02:26:19 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/137721#M36060</guid>
      <dc:creator>whatisaclaire</dc:creator>
      <dc:date>2015-04-07T02:26:19Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/137722#M36061</link>
      <description>&lt;P&gt;Hi Whatisaclaire!&lt;BR /&gt;&lt;BR /&gt;Thanks for posting in the Canon Forum! The Forum is not intended for immediate help, but a place to allow for the Community to give you assistance and feedback.&amp;nbsp;If this is an urgent support need, please&amp;nbsp;&lt;A target="_blank" href="http://bit.ly/ContactCanon" rel="nofollow"&gt;CLICK HERE&lt;/A&gt;&amp;nbsp;to reach our friendly Technical Support Team.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks!&lt;/P&gt;</description>
      <pubDate>Tue, 07 Apr 2015 02:39:52 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/137722#M36061</guid>
      <dc:creator>Tiffany</dc:creator>
      <dc:date>2015-04-07T02:39:52Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/138283#M36062</link>
      <description>&lt;P&gt;Hi whatisaclaire,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;You will need to have the Canon IJ Network Scanner Selector EX running on your computer in order to scan wirelessly. &amp;nbsp;To ensure it is running, from the Go menu of Finder, select Applications, then double-click the Canon Utilities folder, IJ Network Scanner Selector EX folder, then Canon IJ Network Scanner Selector EX icon. &amp;nbsp;If you still experience difficulty scanning, please&amp;nbsp;call or email us using one of the methods on the &lt;A href="http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer" target="_blank"&gt;Contact Us&lt;/A&gt; page for further assistance.&lt;/P&gt;</description>
      <pubDate>Mon, 13 Apr 2015 10:26:43 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/138283#M36062</guid>
      <dc:creator>Ramona</dc:creator>
      <dc:date>2015-04-13T10:26:43Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/160232#M36063</link>
      <description>&lt;P&gt;Hi,&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I have the Canon MG5750 and get the same error. Do I need the Canon IJ Network Scanner Selector EX? If so, where do I find it? I have installed printer, scanner and drivers multiple times... Thanks for any help!&lt;/P&gt;</description>
      <pubDate>Wed, 30 Dec 2015 15:47:01 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/160232#M36063</guid>
      <dc:creator>anainportugal</dc:creator>
      <dc:date>2015-12-30T15:47:01Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/180974#M36065</link>
      <description>&lt;P&gt;I contacted support, telling them that I had tried unpluggin, repluggin, restarting, etc. They sent me here:&amp;nbsp;&lt;A href="https://support.usa.canon.com/kb/index?page=content&amp;amp;id=ART140120&amp;amp;actp=search&amp;amp;viewlocale=en_US&amp;amp;searchid=1470064293361" target="_blank"&gt;https://support.usa.canon.com/kb/index?page=content&amp;amp;id=ART140120&amp;amp;actp=search&amp;amp;viewlocale=en_US&amp;amp;searchid=1470064293361&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;...so, basically, they just told me to unplug it and replug it. Not helpful at all. I'm stuck. I have no idea how to fix this. Obviously there's some communication from the scanner to the computer, since it automatically boots the scan utility. But I just get the error message&lt;/P&gt;&lt;P&gt;"&lt;/P&gt;&lt;P&gt;Cannot communicate with scanner for these reasons:&lt;BR /&gt;- Scanner is turned off.&lt;BR /&gt;- USB cable is disconnected.&lt;/P&gt;&lt;P&gt;Please check and try again.&lt;/P&gt;&lt;P&gt;Code:15,156,0"&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Very disappointed. There's nothing wrong with the machine, as I can actually get it to work on my husband's Dell. Is it possible there's a software problem with getting it to work on Mac , running El Capitan?&lt;/P&gt;</description>
      <pubDate>Mon, 01 Aug 2016 16:32:26 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/180974#M36065</guid>
      <dc:creator>meganraby</dc:creator>
      <dc:date>2016-08-01T16:32:26Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/186241#M36066</link>
      <description>&lt;P&gt;Solution&amp;nbsp;For a MAC&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To scan, do not use Canon utility.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Go on upper left of your screen and click on the Apple&lt;/P&gt;&lt;P&gt;Click on System preferences&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Click on printers and scanners&lt;/P&gt;&lt;P&gt;Once this is open you will see the list of printers you have&lt;/P&gt;&lt;P&gt;Click on your Canon printer&lt;/P&gt;&lt;P&gt;On the right of this window you will see Printer/Scanner&lt;/P&gt;&lt;P&gt;Click on scanner&lt;/P&gt;&lt;P&gt;and do your scans using this option.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Hope this helps&lt;/P&gt;</description>
      <pubDate>Fri, 23 Sep 2016 18:38:29 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/186241#M36066</guid>
      <dc:creator>CasCyber</dc:creator>
      <dc:date>2016-09-23T18:38:29Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/189103#M36067</link>
      <description>&lt;P&gt;Thanks for tjhis, very helpful&lt;/P&gt;&lt;BLOCKQUOTE&gt;&lt;HR /&gt;&lt;a href="https://community.usa.canon.com/t5/user/viewprofilepage/user-id/83636"&gt;@CasCyber&lt;/a&gt; wrote:&lt;BR /&gt;&lt;P&gt;Solution&amp;nbsp;For a MAC&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To scan, do not use Canon utility.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Go on upper left of your screen and click on the Apple&lt;/P&gt;&lt;P&gt;Click on System preferences&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Click on printers and scanners&lt;/P&gt;&lt;P&gt;Once this is open you will see the list of printers you have&lt;/P&gt;&lt;P&gt;Click on your Canon printer&lt;/P&gt;&lt;P&gt;On the right of this window you will see Printer/Scanner&lt;/P&gt;&lt;P&gt;Click on scanner&lt;/P&gt;&lt;P&gt;and do your scans using this option.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Hope this helps&lt;/P&gt;&lt;HR /&gt;&lt;/BLOCKQUOTE&gt;&lt;BLOCKQUOTE&gt;&lt;HR /&gt;&lt;a href="https://community.usa.canon.com/t5/user/viewprofilepage/user-id/83636"&gt;@CasCyber&lt;/a&gt; wrote:&lt;BR /&gt;&lt;P&gt;Solution&amp;nbsp;For a MAC&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;To scan, do not use Canon utility.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Go on upper left of your screen and click on the Apple&lt;/P&gt;&lt;P&gt;Click on System preferences&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Click on printers and scanners&lt;/P&gt;&lt;P&gt;Once this is open you will see the list of printers you have&lt;/P&gt;&lt;P&gt;Click on your Canon printer&lt;/P&gt;&lt;P&gt;On the right of this window you will see Printer/Scanner&lt;/P&gt;&lt;P&gt;Click on scanner&lt;/P&gt;&lt;P&gt;and do your scans using this option.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Hope this helps&lt;/P&gt;&lt;HR /&gt;&lt;/BLOCKQUOTE&gt;&lt;P&gt;Thnanks for this - but of a long ork around. Two things. Why is there no simple solution to this dilemma in the Quick Menu? And, I cannot help but wonder why when&amp;nbsp;in Set Up&amp;nbsp;I click on how to set up for Sierra on a M&amp;lt;ac it takes me to out of date instructions for Montain Lion (four years old). Thanks&lt;/P&gt;</description>
      <pubDate>Tue, 18 Oct 2016 19:49:45 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/189103#M36067</guid>
      <dc:creator>LongboarderNZ</dc:creator>
      <dc:date>2016-10-18T19:49:45Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/189282#M36068</link>
      <description>&lt;P&gt;I had the same problem, and as CasCyber said, it worked from System Preferences, and I was somewhat relieved.&amp;nbsp;&lt;BR /&gt;But it's not convenient to go there every time, so I tried reinstaling the IJ Scan Utility. Once I installed it (I guess it overwrote the old one), it now works fine!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Download it from here.&lt;/P&gt;&lt;P&gt;&lt;A href="http://support-asia.canon-asia.com/contents/ASIA/EN/0200482010.html" target="_blank"&gt;http://support-asia.canon-asia.com/contents/ASIA/EN/0200482010.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 20 Oct 2016 06:43:34 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/189282#M36068</guid>
      <dc:creator>naotofunada</dc:creator>
      <dc:date>2016-10-20T06:43:34Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/191619#M36070</link>
      <description>&lt;P&gt;Hi!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Since recently&amp;nbsp;using an Epson scanner (to scan slides)&amp;nbsp;which&amp;nbsp; is not connected except when used &amp;nbsp;, I am unable to scan from my Cannon 7700 Series printer / sacnner.&amp;nbsp;and get the above message.. printing is fine.&lt;/P&gt;&lt;P&gt;If I click on preferences / printer / scanner - it recognises the printer / scanner - but when I click on scan I get the error message.&lt;/P&gt;&lt;P&gt;If I go through Applications etc I find it only recognises an old Canon printer (6300) I used to use and does not recognise the 7700 series - I have reloaded the printer driver but this does not help.&lt;/P&gt;&lt;P&gt;Your help will be most appreciated&lt;/P&gt;</description>
      <pubDate>Sun, 13 Nov 2016 15:27:35 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/191619#M36070</guid>
      <dc:creator>JB999</dc:creator>
      <dc:date>2016-11-13T15:27:35Z</dc:date>
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    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/192317#M36071</link>
      <description>&lt;P&gt;Hi, I have tried the following method you've mentioned. However, I am not able to select between printer and scanner.&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am also not having the&amp;nbsp;&lt;SPAN&gt;Canon IJ Network Scanner Selector EX folder in my macbook.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Kindly assist me on what could have went wrong? Thank you.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;IMG src="https://community.usa.canon.com/t5/image/serverpage/image-id/11839i292EF30227D41688/image-size/medium?v=v2&amp;amp;px=-1" border="0" alt="2016-11-19_17-32-22.png" title="2016-11-19_17-32-22.png" /&gt;&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Sat, 19 Nov 2016 09:34:15 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/192317#M36071</guid>
      <dc:creator>stevephua</dc:creator>
      <dc:date>2016-11-19T09:34:15Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/195454#M36076</link>
      <description>&lt;P&gt;&lt;SPAN&gt;First, many thanks CasCyber.&amp;nbsp; I’ve been struggling with this for ages using an MG7750 and have tried everything I could think of, but was still getting the error intermittently.&amp;nbsp; Going the System Preferences route works fine!&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Stevephua: what OS are you using?&amp;nbsp; With MacOS Sierra 10.12 I don’t get the screen you show, but one with a Print / Scan option.&amp;nbsp; Selecting Scan and then clicking ‘Open Scanner’ enables me to do a successful scan.&amp;nbsp; You do have the Scan Utility installed?&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Thu, 22 Dec 2016 19:53:08 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/195454#M36076</guid>
      <dc:creator>NickRich</dc:creator>
      <dc:date>2016-12-22T19:53:08Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/216930#M36078</link>
      <description>This was the absolute best help ever. I don't kno why there isn't a simple solution for this but this works and I'll use this forever.</description>
      <pubDate>Mon, 14 Aug 2017 17:29:11 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/216930#M36078</guid>
      <dc:creator>MissZ</dc:creator>
      <dc:date>2017-08-14T17:29:11Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/229747#M36079</link>
      <description>&lt;P&gt;mine is the pixma mg5765&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;cascyber,you&amp;nbsp;led me to check my printer in system preferences at which point i noticed printer was reading offline on my mac (even though it had wifi written on the printer)&lt;/P&gt;&lt;P&gt;i then realised this is due to it not being connected to my computer, hence the error message&amp;nbsp;&lt;/P&gt;&lt;P&gt;thanks for the help here!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;i then left (double finger) clicked on the image of the printer on the far left in the column and selected 'reset printing system'&lt;/P&gt;&lt;P&gt;this caused it to delete? uninstall? basically forget the printer and make it vanish.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;i then downloaded the entire driver and software program for my model from the canon website. followed the instructions and basically this led me to start from scratch again.. didnt take long at all either.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;working again!!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;hope this helps, im sure there is an easier way but this was just me trying to navigate unknown territory that led me to do it in this order.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;thanks for the discussion, id still be ripping hair out without it!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;ps. i did have the print or scan buttons both present in my system preferences but it was the left column picture of my printer saying 'offline' that was the issue for me &lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Thu, 11 Jan 2018 13:10:57 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/229747#M36079</guid>
      <dc:creator>anstevens</dc:creator>
      <dc:date>2018-01-11T13:10:57Z</dc:date>
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    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/302327#M36080</link>
      <description>&lt;P&gt;1.delete all canon related stuff from your Mac, even remove the printer.&lt;/P&gt;&lt;P&gt;2.Go to Canon.com/ijsetup&lt;/P&gt;&lt;P&gt;3. Find your product and follow setup procedure&lt;/P&gt;&lt;P&gt;4. Make sure you select IJ scan utility when prompted which software to download&lt;/P&gt;&lt;P&gt;5. When you get to the step of adding the printer wait until you see the printer with "Canon IJ Network" kind and click on it and add. (Don't click on Bonjour or Bonjour multifunction)&lt;/P&gt;&lt;P&gt;6. follow the steps.&amp;nbsp;&lt;/P&gt;&lt;P&gt;7. You're done.&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Reference:&amp;nbsp;&lt;A href="https://youtu.be/Yr0wXmeiPqw" target="_blank"&gt;https://youtu.be/Yr0wXmeiPqw&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;You're welcome.&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 14 Apr 2020 05:57:54 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/302327#M36080</guid>
      <dc:creator>canonhelhper</dc:creator>
      <dc:date>2020-04-14T05:57:54Z</dc:date>
    </item>
    <item>
      <title>Re: Scanner Errors 15, 157, 0 on Pixma MX472 (Mac)</title>
      <link>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/350085#M36081</link>
      <description>&lt;P&gt;Hello,&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I have a Pixma MX472 on Mac Big Sur and am getting this error. Any fixes?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P class="p1"&gt;&lt;STRONG&gt;Cannot communicate with scanner for these reasons:&lt;/STRONG&gt;&lt;/P&gt;&lt;P class="p1"&gt;&lt;STRONG&gt;- Scanner is turned off.&lt;/STRONG&gt;&lt;/P&gt;&lt;P class="p1"&gt;&lt;STRONG&gt;- (If using Wired LAN connection) It is disconnected from Wired LAN.&lt;/STRONG&gt;&lt;/P&gt;&lt;P class="p1"&gt;&lt;STRONG&gt;- (If using wireless LAN connection) Signal strength is poor due to obstructions.&lt;/STRONG&gt;&lt;/P&gt;&lt;P class="p1"&gt;&lt;STRONG&gt;- (If using USB connection) USB cable is disconnected.&lt;/STRONG&gt;&lt;/P&gt;</description>
      <pubDate>Wed, 25 Aug 2021 20:23:21 GMT</pubDate>
      <guid>https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Scanner-Errors-15-157-0-on-Pixma-MX472-Mac/m-p/350085#M36081</guid>
      <dc:creator>jjordan204</dc:creator>
      <dc:date>2021-08-25T20:23:21Z</dc:date>
    </item>
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