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From: Joshua Thompson on 29 Jan 2010 12:26
"Steven Lord" <slord(a)mathworks.com> wrote in message <hemvrt$g04$1(a)fred.mathworks.com>...
>
> "Priya " <ramstuff(a)gmail.com> wrote in message
> news:he79kj$pji$1(a)fred.mathworks.com...
> > Usually I am able to save images in matlab. However something unusual
> > happened today, which I have not been able to figure out.
> >
> > Here is in a example:
> >
> >>> plot(1:10)
> >>> saveas(gcf, 'test.tiff')
> > ??? Error: File: printopt.m Line: 1 Column: 25
> > The input character is not valid in MATLAB statements or expressions.
> >
> > Error in ==> printjob at 70
> > [ pj.PrintCmd, pj.DefaultDevice ] = printopt; %Defaults
> >
> > Error in ==> print at 166
> > pj = printjob;
> >
> > Error in ==> saveas at 159
> > print( h, name, ['-d' dev{i}] )
> >
> >
> > Can someone please help me figure out what is wrong?
>
> What does "which -all printopt" show?
>
> Edit it and look at line 1, column 25. What character is in that position?
>
> --
> Steve Lord
> slord(a)mathworks.com
> comp.soft-sys.matlab (CSSM) FAQ: http://matlabwiki.mathworks.com/MATLAB_FAQ
>

I had a similar problem and found a fix. In my case it was a conflict between too many printopt.m files lying in the path.

Steve Lord suggested examining "line 1, column 25" of, I assume, printopt.m. I tried this using "edit printopt.m" and saw garbage because MATLAB opened some other copy that had been installed in directory created by the MATLAB compiler. (The directory included something like "_mcr" or "_mcc") I removed these directories and the problem was solved.
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