pdfimages wont extract all images

I'm using pdfimages to extract images from a PDF File . I've counted at last 10 images. But the program will only extract 4. pdfimages -all file.pdf i Generates -rw-rw-r-- 1 victor victor 61389 Jul 14 21:48 i-000.png -rw-rw-r-- 1 victor victor 88 Jul 14 21:48 i-001.png -rw-rw-r-- 1 victor victor 5226 Jul 14 21:48 i-002.png -rw-rw-r-- 1 victor victor 95657 Jul 14 21:48 i-003.png Am I missing some setting? How can I extract all images?