When i Plotted with Black Lines turned on still plotted Some Symbols in colors

[Eslam_Sayed]

When i Plotted with Black Lines turned on still plotted Some Symbols in colors.... weird!!?

Any advice? See Screenshot . Thank you.

[ennujozlagam]

@Eslam_Sayed hello, have you try to go to your printer properties and set output colour to Black and see if helps. thanks

[Eslam_Sayed]

@ennujozlagam its not work , and i tried all printers and pdf printer ... same problem . Thank u for help