loading .Bin file

I am trying to load a binary file into a column vector. The binary file consists of 9 header lines then space delimited lines after that. Intermittently, a hexadecimal string is printed instead of a space delimited line. A sample from the data is below:

985 5147 2212

995 5148 2204

€ SX ! ûSource_0 5 5145 2204

15 5091 2223

25 5043 2222

When I view the middle line in a hex editor I get 0x80010000000053... However when I use fopen then fread the zeros become 0x20, which correspond to ASCII "space". This is a problem because in most of the data, 0x20 is correct, however in the middle section of data above, this is not correct. I have included a section of my code below. Note that I first import the data and then convert it to hex. The error does not occur at conversion but rather when I import the data. I know this because dataFile contains ASCII decimal values.

fid = fopen(fname,'rb');

dataFile = fread(fid,inf,'uint8');
hexFile = cell(1);
while index<=length(dataFile(:,1))
hexFile{index,1} = dec2hex(dataFile(index,1),2);
index=index+1;
end

If anyone could please help me import my binary file straight into hex, I would appreciate it. Thanks.