Adjusting The Distance Accuracy - GRAPHTEC FC7000-75 Service Manual

7.3.8 Adjusting the Distance Accuracy

This adjustment will set the distance accuracy.
If you replace the main board, use the following procedure to input the recorded adjustment values.
If you replace the drive roller, you must adjust the distance accuracy using the following procedure.
How to adjust the distance accuracy
(1) Enter the adjustment menu (see Section 7.3.6).
(2) Press the MENU key to display the menu shown below.
SENSOR TEST
(3) Load an A2 or larger size sheet of paper in the plotter. The paper color must be white, and it is
recommended that high-quality paper made for ink-jet printers be used.
(4) Mount a disposable ink pen (0.2 mm tip size) in the pen holder.
(5) Set the plotting conditions to the following settings:
Force: 12, Speed: 40, Quality: 1, Tool: Pen
(6) Lower the media set lever to raise the pinch rollers, and then raise the media set lever to detect the
paper size.
The menu shown below is displayed after the media set lever is raised.
CONDITION
READY
(7) Press the MENU key to display the menu shown below.
SENSOR TEST
(8) Press the NEXT key to display the menu shown below.
DISTANCE ADJUST
RM SENSOR LEVEL ADJ
1-PEN MODEL
FC7000-UM-251-9370
KEY TEST
PEN FORCE
XY GAIN
12
40
1
PEN
KEY TEST
PEN FORCE
XY GAIN
1/2 PEN POSITION ADJ
DISTANCE ADJUST
2 PEN EXCHANGE ADJ
RM SENSOR LEVEL ADJ
2-PEN MODEL
7-18
7. ADJUSTMENT