On the other hand hal_lpadmin should not match the wrong PPD: lsb/usr/openprinting/Brother/BR8640_2_GPL.ppd.gz for your Brother MFC-8600 printer in case a driver for your printer is missing in the foomatic database.
On the other hand hal_lpadmin should not match the wrong PPD: lsb/usr/ openprinting/ Brother/ BR8640_ 2_GPL.ppd. gz for your Brother MFC-8600 printer in case a driver for your printer is missing in the foomatic database.