Lines are printed too thick or thin in HP-GL/2 print jobs
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Check 1 Check the Width setting in Pen setup menu.
Select Pen setup, then select Define palette, and change the Width setting of each pen in each palette.
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Check 2 Check the Width correction setting.
Change the Width correction setting in the touch screen menu.
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Check 3 Is Adjust faint lines set to OFF?
If fine lines are printed faintly, setting Adjust faint lines to ON will print the lines more distinctly.