GRAPHTEC FC7000-130 - 8 Service Modes; Sensor Test Mode

FC7000-UM-251-9370 8-1
8. SERVICE MODES
8. SERVICE MODES
8.1 Sensor Test Mode
This mode checks the sensor status. If there is a bad sensor you will observe one of the symptoms in the
table below.
Please check the relevant sensor(s).
Sensor Symptom
Y home sensor
The pen block hits the right side plate.
Cam sensor The plotter displays “LOAD MEDIA!” when media is already loaded.
Pinch roller sensor The pen block hits the left side plate.
+X, -X media sensor Media drops out of the plotter.
How to test the sensors
(1) Load an A2 or larger size sheet of paper in the plotter.
(2) Enter the adjustment menu (see Section 7.3.6).
(3) Press the MENU key to display the menu shown below.
SENSOR TEST
KEY TEST
PEN FORCE
XY GAIN
(4) Press the NEXT key until the menu shown below is displayed.
SENSOR TEST
KEY TEST
PEN FORCE
XY GAIN
(5) Press the F1 key to display the menu shown below.
YL CH PL -XL +XL
Y: Y home sensor, C: Cam sensor, P: Pinch roller sensor, -X: -X media sensor, +X: +X media sensor
(6) Cover the front media sensor with a piece of paper.
The status of +X changes from “L” to “H”.
(7) Cover the rear media sensor with a piece of paper.
The status of -X changes from “L” to “H”.
(8) Move the pen block to the far right. When the pen block reaches the home position flag, the status of Y
changes from “L” to “H”.
(9) Lower the media set lever to raise the pinch rollers. The status of C changes from “L” to “H”.
(10) Move the pen block to the left and right. When the pen block crosses the pinch roller, the status of P
changes from “L” to “H”.
(11) When testing is complete, turn off the power to the plotter.