Since multiselects are stored as comma separated values you can probably use a like on it.
Since multiselects are stored as comma separated values you can probably use a like on it. $prodCollection->addAttributeToFilter('printercolor', array( array($currentPrinterDescription), array('like'=>'%,'.$currentPrinterDescription), array('like'=>$currentPrinterDescription.',%'), array('like'=>'%,'.$currentPrinterDescription.',%'), ));