Central Printing by Dedicated User
In this scenario an specific user will receive all printing documents (in Home -> Manual Printing Tasks) and will be his/her responsibility to print these documents.
This scenario is also used together with the SAP Collaboration Window software, where the user installs in his machine you can assign a printer, then the SAP Collaboration Window will check for it's printing task and automatically print the jobs.***
It will remain in the Printing Queue as Pending, until it is deleted or printed.
Central Printing via the Print Manager
In this scenario you should use together with the SAP Print Manager software (You can download it from Application and User Management Work center -> Download Center). The printing jobs will be sent to the Printing Queue from a Technical User, which you will created when selecting this scenario.
You will see in the Print Queue that the user assigned is the technical user (example. PRT_001) - then in the SAP Print Manager application, you will set up the user and the URL and also assign all your printers. The software is commonly used as central place for all printing tasks for example in a print server.
Printing by Document Owner
In this scenario, the user which created the document is the responsible for the printing tasks, example: if user A created a customer invoice, and user B releases it, the responsible for the printing tasks will be user A, the task will be seen in this Manual Print Tasks.
This scenario is also used together with the SAP Collaboration Window software, where the user installs in his machine you can assign a printer, then the SAP Collaboration Window will check for it's printing task and automatically print the jobs.***
*** - NOT MANDATORY TO USE THE SOFTWARE