title: Printing a PDF with UIPrintInteractionController ios 5 works but in ios 6 doesnt work and crash my app
body: <p>I have a problem with UIPrintInteractionController  I send a pdf to print and with a devices with ios 5 when i press print button is send the file to the printer and works. but when I test on a devices with ios 6 I doesn't work and crash the app.  </p>
  
  <p>when the view of the UIPrintInteractionController presented on ios 6 this is the log: </p>
  
  <pre><code>Save\032in\032folder\032Aptana\032Rubles._ipp._tcp.local.:
     Get-Printer-Attributes failed:    Undefined error: 0
  No document-format-supported attribute found or no supported formats
     found.
  No media-col-database found in response from printer.
  Defaulting to generic media size values.
  No print-quality-supported attribute found.  Defaulting to normal
     quality.
  No sides-supported attribute found.  Defaulting to single-sided.
  </code></pre>
  
  <p>Here is my Code: (self.myPDF is a NMutableSData type)</p>
  
  <pre><code>UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
  
  if  (controller &amp;&amp; [UIPrintInteractionController canPrintData: self.myPDF] ) {
  
  
  
  UIPrintInfo *printInfo = [UIPrintInfo printInfo];
      printInfo.outputType = UIPrintInfoOutputGeneral;
      printInfo.jobName = [NSString stringWithFormat:@"Coupon"];
      printInfo.orientation = UIPrintInfoOrientationPortrait;
  printInfo.duplex = UIPrintInfoDuplexLongEdge;
  
      controller.printInfo = printInfo;
  controller.showsPageRange =NO;
  
      controller.printingItem = self.myPDF;
  
      void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
      ^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
          if (!completed &amp;&amp; error) {
  
              UIAlertView *av = [[UIAlertView alloc] initWithTitle:@"Error." 
                                                           message:[NSString stringWithFormat:NSLocalizedString(@"An error occured while printing: %@", @"Printing error"), error]
                                                          delegate:nil 
                                                 cancelButtonTitle:@"OK" 
                                                 otherButtonTitles:nil, nil];
  
              [av show];
              [av release];
          }
      };
  
      [controller presentAnimated:YES completionHandler:completionHandler];
  }
  </code></pre>
  
  <p>i dont have a AirPrint supported Printer but i used the handyPrint. 
  Note: on iOS 6 it works printing with safari using handyPrint.</p>
  
  <p>Anyone Knows what is wrong? =(</p>