Pantum P3500 Series - How Turn on the Toner Save Setting in the Printer

Step4: At last select NO.2-‘English”( these two kinds of languages pictures are the same meanings)--
----then chose ‘OK” it will be done.
4. How turn on the ‘Toner save’ setting in the printer?
Please check with below pictures: Menu-- System Settings—Toner Save—Turn on