ラベルセンサー有り無しの見分け方はありますか?

製品SKUの枝番で識別が可能です。
Configuration Matrix
https://www.zebra.com/content/dam/zebra_dam/en/configuration-matrix/zq320-plus-indoor-configuration-matrix-en-us.xlsx
Label Sensor ZQ3X-XXXX?
1 = Non-Plus model with label sensor
2 = Non-Plus model with no label sensor
3 = Plus model with label sensor
4 = Plus model with no label sensor

ATS0133