Scanner Troubleshooting Check Points - Epson Stylus SCAN 2000 Service Manual

EPSON Stylus Scan 2000

3.3.2 Scanner troubleshooting check points

See the following table when scanned-image quality problems seem to be caused by
mechanism or system errors.
Table 3-4. Scanner quality troubleshooting
Failure
Light areas of document appear dark
Scanner seems to operate but no image appears.
Start of scan position is wrong.
The scanned image is not clear.
Paper jams occur frequently.
Multiple paper feeds.
Feed skewed.
Table 3-5. Light areas of document appear dark
Cause Related Unit
Lamp Connector is
None
not connected.
Lamp is wrong. Lamp
Inverter is wrong. Inverter
CCD Connector is
None
not connected.
CCD Module is
B101 MAIN Board
wrong.
Mechanical Module Mechanical Module
is wrong. Unit
System Error None
Troubleshooting
Refer to
Table 3-5
Table 3-6
Table 3-7
Table 3-8
Table 3-9
Table 3-10
Table 3-11
Check Method Solution
Connect the
Visual Check
connector.
Tester Check Replace the lamp.
Tester Check Replace the inverter.
Connect the
Visual Check
connector.
Remove the cause or
Tester Check replace the MAIN
Board.
Replace the Module
Tester Check
Unit.
Re-boot the PC or
Visual Check turn the scanner ON/
OFF.
Troubleshooting the Scanner
Table 3-5. Light areas of document appear dark (continued)
Cause Related Unit
CCD Module is
B101 MAIN Board
wrong.
Mechanical Module Mechanical Module
is wrong. Unit
System Error None
Table 3-6. Scanner scans but no image appears
Cause Related Unit
ADF cover is open. ADF Cover
CCD Connector is
None
not connected.
CCD Board is wrong. CB67 Board
MAIN Board is
B101 MAIN Board
wrong.
Power Supply is
Power Supply
wrong.
Lamp is wrong. Lamp
Inverter is wrong. Inverter
Revision A
Check Method Solution
Remove the cause or
Tester Check replace the MAIN
Board.
Replace the Module
Tester Check
Unit.
Re-boot the PC or
Visual Check turn the scanner ON/
OFF.
Check Method Solution
Close the ADF
Visual Check
Cover.
Connect the
Visual Check
connector.
Replace the CCD
Tester Check
Board.
Replace the MAIN
Tester Check
Board.
Replace the power
Tester Check
supply.
Tester Check Replace the lamp.
Tester Check Replace the inverter.
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