Usb Connection - GRAPHTEC CE7000-40 Service Manual

9.5

USB connection

Symptom
The plotter is not
detected by the
WINDOWS.
CE7000-UM-251-9370
Verification item
Is not the plotter detecting with the
unknown device?
Was the latest version of correct USB
driver installed?
Is bad USB cable not using?
Is not the USB cable too long?
Is the USB hub not using?
The plotter is not detected as
unknown device also.
When the plotter is connected to the PC
without installing the USB driver for the
plotter, it is detected as the unknown
device.
When the plotter is detected as unknown
device, reinstall the USB driver by the
following procedure.
(1) Connect the plotter via the USB
port of PC.
(2) Turn on the power for the plotter.
(3) Open the device manager from the
control panel of WINDOWS.
(4) Open the Universal Serial Bus
controllers.
(5) Uninstall the USB Printing Support.
(6) Turn off the power for the plotter.
(7) Install the USB driver for the plotter.
(8) Turn on the power for the plotter.
(9) When the plotter is detected by the
PC, the USB driver for the plotter
will be installed.
For the CE7000-40/60/130/160:
Install the later version of OPS662 V3.70
for USB driver.
For the CE7000-130AP:
Install the later version of OPS628
V10.30 for USB driver.
Use the good USB cable.
Use the shorter USB cable.
Connect the plotter directly to the PC.
Replace the main board.
9-11
9 TROUBLESHOOTING
Solution