GRAPHTEC FC7000-100, Service Manual

Page: 82 / 146

FC7000-UM-251-9370 7-16
7. ADJUSTMENT
7.3.7 Adjusting the Pen Force
This adjustment will set the pen force.
If you replace the main board, use the following procedure to input the recorded adjustment values.
If you replace the moving coil and/or the pen block assembly, you must adjust the pen force using the
following procedure.
How to adjust the pen force
(1) Mount a 0.9 mm diameter cutter pen in the pen holder.
(2) Load a sheet of paper in the plotter.
(3) Enter the adjustment menu (see Section 7.3.6).
(4) Press the MENU key to display the menu shown below.
SENSOR TEST
KEY TEST
PEN FORCE
XY GAIN
(5) Press the F3 key to display the menu shown below.
Don’t select AUTO!
PEN PRESS ADJUST
AUTO with gauger>
MANUAL>
(6) Press the F4 key to display the menu shown below.
PRS 10g D/A= 20
(7) The pen is lowered. If you have replaced the moving coil and/or the pen block assembly, use the force
gauge to measure the actual force. If you have only replaced the main board, input the adjustment
values that were recorded.
Use the UP ARROW key or DOWN ARROW key to change the force setting. The number on the LCD
will increase or decrease. If you have replaced the moving coil and/or the pen block assembly, measure
the actual pen force again.
If you replaced the moving coil and/or the pen block assembly, adjust the 10g-pen force. If the measured
value is within the specification range (10±2g) or if you have input the recorded value, press the ENTER
key to store the setting. The next specified pen force appears.
(8) Adjust the 40g-pen force. If the measured value is within the specification range (40±4g) or if you
have input the recorded value, press the ENTER key to store the setting. The next specified pen force
appears.
(9) Adjust the 120g-pen force. If the measured value is within the specification range (120±10g) or if you
have input the recorded value, press the ENTER key to store the setting. The next specified pen force
appears.