#15 ppd fails cupstestppd checks

[kssingvo.suse]

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cupstestppd /usr/share/cups/model/Minolta/magicolor_2400W-m2400w.ppd
/usr/share/cups/model/Minolta/magicolor_2400W-m2400w.ppd: FAIL
**FAIL** Bad Resolution choice 1200x600!
REF: Page 84, section 5.9
**FAIL** Bad Resolution choice 2400x600!
REF: Page 84, section 5.9
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The PPD file specification just says that a "dpi" is missing.
Correct values are then: "1200x600dpi" and "2400x600dpi"

Please fix.

TIA.