A method of handling a print job submitted to a cloud printing service, in which a user is identified by first user credentials, for processing by an authenticated printing system for which said user is identified by second user credentials, comprising the steps of:
- i. obtaining said print job from said cloud printing service, said print job comprising print job metadata comprising said first user credentials,
- ii. obtaining said second user credentials based on said first user credentials,
- iii. adding said second user credentials to said metadata, and
- iv. forwarding at least said print job metadata, comprising said second user credentials, to said authenticated printing system for said processing.