Epson STYLUS Scan 2000 Service Manual page 67

EPSON Stylus Scan 2000
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
but scanner still ADF Cover
scans.
CCD Connector is
None
not connected.
CCD Board is
CCD Board
wrong.
MAIN Board is
B101 MAIN Board
wrong.
Power Supply is
Power Supply
wrong.
Lamp is wrong. Lamp
Inverter is wrong. Inverter
Troubleshooting
Check Method Solution
Remove the cause
Tester Check or replace the
MAIN Board.
Replace the
Tester Check
Module Unit.
Re-boot the PC or
Visual Check turn the scanner
ON/OFF.
Check Method Solution
Make sure the
Close the ADF
cover is all the way
Cover.
down.
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.
Replace the
Tester Check
inverter.
Troubleshooting the Scanner
Table 3-7. The Start of Scan position is wrong
Cause Related Unit
Power Supply
Connector is not None
installed.
Power Supply is
Power Supply
wrong.
Motor Connector is
None
not installed.
MAIN Board is
B101 MAIN Board
wrong.
Motor is wrong. Motor
Sensor Connector
None
is not installed.
Sensor is wrong. Sensor
Mechanical Failure. Mechanical module Tester Check
Table 3-8. The Image is not clear
Cause Related Unit
Lamp is too dark. Lamp
Calibration
Calibration
Reference Plate is
Reference Plate
dirty.
Revision A
Check Method Solution
Connect the
Visual Check
connector.
Replace the power
Tester Check
supply.
Connect the
Visual Check
connector.
Replace the MAIN
Tester Check
Board.
Tester Check Replace the motor.
Connect the sensor
Visual Check
connector
Visual Check or Replace the sensor
Tester Check module.
Replace the
mechanical
module.
Check Method Solution
Replace the lamp
Tester Check
or the inverter.
Wipe off the
calibration
Visual Check reference plate
with isopropyl-
alcohol.
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