Yes, simply check in your baggage when you get to the airport. If your departure airport offers self-service facilities, simply print your baggage tags at the kiosk and drop your bags at the self-service bag drop counters.
When you're flying from Hong Kong, skip the queues by checking in via the Cathay Pacific app and registering for the HKIA 'Express Bag drop'. By enrolling via biometrics on your mobile device, you'll have access to dedicated bag drop counters where you can simply scan your face and the bag drop process will be complete in less than one minute.