EPSON Perfection4180 Photo
Revision A
TROUBLESHOOTING
Troubleshooting
25
3.2 Troubleshooting
This section explains troubleshooting from the superficial phenomena.
In this section, troubleshooting is divided on a unit level, based on the superficial
phenomena at occurrence of trouble. Refer to
, find the corresponding
phenomenon, and make checks according to the flowchart.
Table 3-4. Trouble Phenomena, Causes and Reference Flowcharts
Phenomenon
Trouble Definition
Cause Location
Reference
Flowchart
If powered ON, the
Main Unit does not
operate.
The Main Unit does not
perform initialization
operation.
• Connector
• Carriage Motor
• Main Board
The host does not
recognize the scanner if
power is switched on.
• Host's USB support
condition
• TWAIN Driver
• USB Cable
• Main Board
Occurrence of "Fatal
error".
(The LED flashes red.)
After occurrence of the
above error, recovery
cannot be made if
power is switched on
again.
The Carriage Unit does
not operate.
• Carriage Lock
• Housing Upper
• Connector
• Harness
• Carriage Moving
Mechanism
• Carriage Motor
• Main Board
The Fluorescent Lamps
are not lit.
• Connector
• Fluorescent Lamps
• Carriage
• Main Board
Scanned image quality
error
An image cannot be
scanned clearly.
• Smudge on Document
Glass
• Smudge on Mirror
• Sheet White Section
• CCD Board
• Main Board
The TPU does not
operate.
The TPU does not operate. • Cable
• 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 ...