GRAPHTEC FC2250 Service Manual page 144

(12) When the adjustments have been completed for the No.2 pen, the LCD display returns to the 24 g
screen for the No.1 pen. At this screen, either press the [NEXT] key to proceed to the next adjustment,
or turn off the plotter to exit the adjustment menu and then return the DIP switch to its normal settings.
NOTE: After you have changed the numeric value on the LCD, press the F3 key (PEN U/D) to raise and
lower the cutter before measuring the pen force again.
When the measured pen force is the specified value, press the ENTER key. The next specified pen force
appears on the LCD panel.
Repeat the above procedure in the following sequence.
Displayed No.1 pen pressure
target force
24
210
400
FC2250-UM-251-9370
Displayed
target force
24 g ± 1 g
210 g ± 10 g
400 g ± 20 g
1000
No.2 pen pressure
48 48 g ± 2 g
210 210 g ± 10 g
400 400 g ± 20 g
700 700 g ± 30 g
1000 g ± 50 g
8-18
8. ELECTRICAL ADJUSTMENTS