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EPSON GT-7000
Table 3-11. USB Interface Error(USB Model Only)
Cause
Step
Checkpoint
Host and O/S
1
On the Windows,
(Windows95/98)
go to "My
does not support the
Computer"
→
USB.
rty"
"Device
Manager", then,
check if "Universal
serial bus
controller" is
effective.
USB cable is broken.
2
Replace the USB
cable. Is the
operation normal?
Control board is
3
broken.
Table 3-12. Option TPU/ADF do not operate
Cause
Step
Checkpoint
The cable of the
1
Is the connector
optional unit is
CN1 on the control
disconnected.
board
disconnected?
Control board is
2
broken.
Optional unit is
3
+24V line:Lamp,
broken.
Motor
+5V line:Sensor,
logic circuit.
Rev. A
Finding
Solution
No
Replace the host.
→
"Prope
Yes
Replace the USB
cable.
---
---
Replace the control
board.
Finding
Solution
Yes
Connect the CN1
properly.
---
---
Replace the control
board.
---
Replace the
defective part of the
optional unit.
Chapter 3
Troubleshooting
26
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Table of Contents
Troubleshooting
