title: Converting PDF to TIFF using Imagemagick, making portion of the page turning into black
body: <p>While trying to convert PDF to TIF Multipage using Imagemagick, certain portion of the page turning into black.</p>
  <pre><code>Version: ImageMagick 7.1.0-0 Q16 x86_64 2021-06-13 https://imagemagick.org
  Copyright: (C) 1999-2021 ImageMagick Studio LLC
  License: https://imagemagick.org/script/license.php
  Features: Cipher DPC HDRI OpenMP(3.1)
  Delegates (built-in): bzlib djvu fontconfig freetype jng jpeg lzma openexr pangocairo png tiff x xml zlib
  </code></pre>
  <p><a href="https://www.dropbox.com/s/htfe177j2rnq0wo/Sample1.pdf?dl=0" rel="nofollow noreferrer">Sample file</a></p>
  <p>Converted file screenshot:</p>
  <p><a href="https://i.stack.imgur.com/A5OC2.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/A5OC2.png" alt="enter image description here" /></a></p>
  <p>Command used:</p>
  <pre><code>/usr/local/bin/magick convert -debug &quot;Blob&quot; -density 600X600 Sample1.pdf -type Grayscale -compress Group4 -monochrome -quality 100 -depth 1 -units PixelsPerInch -define connected-components:area-threshold=3 -define connected-components:mean-color=true -define connected-components:8 Sample1.tif
  </code></pre>
  <p>How can we get proper converted image?</p>