Sharp PN-L803C Service Manual page 181

■LINE IS DESCRIBED INTERMITTENTLY
■THICKNESS OF BRUSH LINE CAN'T BE CHANGED
Is the "Brush" selected on the "Pen 1 to 3" of the
"Square menu" of SHARP pen?
Yes
Is the "Only B active pen" selected on the
configuration menu of SHARP pen?
Yes
Click the icon of the "Touch pen utility" and click
"Touch pen settings". Hold the touch pen and select the
used pen. Then, click the "Advanced".
Check that the "Touch pen pressure" is valid.
Yes
Touch pen abnormality
Replace the touch pen.
Register the pen. (pairing)
No
No
No
PN-L803C/80TC3 TROUBLESHOOTING 7 - 8
Select the "Brush".
Select the "Only B active pen" .
Select the "Valid".