RET Resolution Enhancement General 100 A SET RET=%s printer/Samsung-ML-1650 ev/pjl-Samsung-ML-1650-Off printer/Samsung-ML-1651N ev/pjl-Samsung-ML-1650-Off Image enhance (do not use at 300 or 1200dpi) Image GRAY Off - Printer default Off NORMAL Text enhance (do not use at 1200dpi) Text ENHANCE