Generally, SAP provided SAPWIN family device type can be used for all printers. If the system is Unicode system, cascading font device type SWINCF (note 812821) can also be used. In this case, access method G (note 821519) and S (note 894444) can be used.
If you want to use printer specific device type, you need to download the attachment Wizard_data_all_xxx.pdf from note 1036961. According to your printer model and the language you want to print, choose a proper device type from this pdf file. In this case, you can use access method L or C.