GRAPHTEC FC7000-100, Service Manual, Page: 104 / 146

FC7000-UM-251-9370 9-2
9. TROUBLESHOOTING
9.2 Media Loading Operations
Symptom Verification item Solution
The media drops to the
front of the plotter.
(1) Is the front edge of the media
curled?
Yes ....Replace the media.
No .....Verify item (2).
(2) Is the front media sensor dirty? Yes ....Clean the front media sensor.
No .....Verify item (3).
(3) Is the front media sensor cable
securely connected to the main
board and the sensor?
Yes ....Replace the front media sensor.
No .....Connect the cable securely.
The media drops to the
rear of the plotter.
(1) Is the rear edge of the media
curled?
Yes ....Replace the media.
No .....Verify item (2).
(2) Is the rear media sensor dirty? Yes ....Clean the rear media sensor.
No .....Verify item (3).
(3) Is the rear media sensor cable
securely connected to the main
board and the sensor?
Yes ....Replace the rear media sensor.
No .....Connect the cable securely.
The plotter displays
“LOAD MEDIA!” when
media has been loaded.
(1) Does the cam sensor plate
block the cam sensor?
Yes ....Check the cam sensor plate and
attach it at the correct position.
No .....Verify item (2).
(2) Is the cam sensor cable
securely connected to the main
board and the sensor?
No .....Connect the cable securely.
Yes ....Replace the cam sensor board.
The plotter can’t
recognize the Y direction
of the media size.
(1) Is there any dust on the pinch
roller sensor?
Yes ....Clean the pinch roller sensor.
No .....Verify item (2).
(2) Is the pinch roller sensor flexible
cable securely connected to
each connector?
Yes ....Replace the pinch roller sensor.
No .....Connect the cable securely.
The plotter can’t
recognize the X direction
of the media size.
(1) Is there any dust on the front
media sensor and the rear
media sensor?
Yes ....Clean the front media sensor and
the rear media sensor.
No .....Verify item (2).
(2) Are the front media sensor and
the rear media sensor cables
securely connected to each
connector?
No .....Connect the cables securely.
Yes ....Replace the sensor(s).
The media is fed at an
angle.
(1) Are the pinch rollers worn
down?
Yes ....Replace the pinch roller(s).
No .....Verify item (2).
(2) Is there anything on the drive
roller?
Yes ....Clean the drive roller with a brush.
No .....Verify item (3).
(3) Do the pinch rollers have the
correct pressure?
No .....Replace the pinch roller spring(s).
Yes ....Verify item (4).
(4) Is the drive roller worn down? Yes ....Replace the drive roller.
No .....Verify item (5).
(5) Is the drive roller attached
correctly?
Yes ....Replace the bearing of the drive
roller.
No .....Attach the drive roller correctly.