EPSON Perfection4180 Photo
Revision A
TROUBLESHOOTING
Troubleshooting
28
Figure 3-5. An image cannot be scanned clearly.
Figure 3-6. The TPU does not operate.
Is the Document
Glass free from
smudge, etc.?
Are the Mirrors in
the Carriage free
from smudge, etc.?
Is the
Sheet White
Section free from
smudge,
distortion,
etc.?
Is the CCD Sensor
Board normal?
Start
Remove smudge.
Refer to "Chapter 6 6.1.1Cleaning".)
Replace the Housing
Upper.
Replace the Main
b
oard.
Mechanism fault
(Must be replaced)
Is the scanned image
without problem?
Replace the Carriage
Unit.
*Image has white spots.
*Image has vertical streaks.
Remove smudge.
Refer to "Chapter 6 6.1.1Cleaning".)
Is the TPU Cable on
the rear of the
scanner connected
securely?
Is the Connector CN5
of the Main Board
connected?
Start
Connect the Cable.
Connect the
Connector.
Replace the Main
Board.
Summary of Contents for Perfection4180 Photo
Page 5: ...Revision Status Revision Date of Issue Description A July 30 2004 First release ...
Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 19: ...C H A P T E R 2 OPERATING PRINCIPLES ...
Page 23: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 29: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 52: ...C H A P T E R 5 ADJUSTMENT ...
Page 54: ...C H A P T E R 6 MAINTENANCE ...
Page 57: ...C H A P T E R 7 APPENDIX ...
Page 66: ...401 GT F600 PERFECTION 4180 PHOTO NO 1 Rev 01 B170 ACCE 001 10 20 30 40 402 400 ...