[Web4lib] Barcodes printed using Firefox

[Richard Samford]

    I've run into an interesting problem lately, and haven't heard 
anyone else ask about it, so I thought I would.

    I'm having trouble with our barcode scanners reading OCLC 
Interlibrary Loan "Request Identifier" barcodes.  It does fine when the 
request form is printed using Internet Explorer or CLIO, but it doesn't 
scan at all when the same request is printed using Firefox, those 
barcodes are noticeably different.  In fact the print version, on the FF 
screen, _shows_ a barcode that _is_ scanable.  I did a screen grab and 
pasted it into Photoshop and printed it, it scans great, but when you 
print the request form out using Firefox, it prints a different (and 
unscanable) barcode. 

    Of course, I cannot find any references on the manufacturer's web 
site (Metrologic), Mozilla, or the OCLC site, even backed up and punted 
on Google.  Anyone out there have a working knowledge on why FF might 
handle barcodes differently, and how to squish it? 

Thanks!  Richard