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33

This function provides various types of scanner information to the user or service-person. The main contents are as follows:

1. Model
2. Flatbed condition (Enable / Disable)

Sleep Mode

1. Click “Sleep Mode” on the main menu (Service Utility).
2. Set “Waiting Time” (Unit: minutes) to specify the amount of
    time until the scanner enters the sleep mode.

15 minutes

For returning back to the
Ready Mode during the Sleep
Mode, execute “Sleep
Mode” for Test (9.3.5) on the
main menu, and then click
“STOP” on the “Sleep
Mode” dialog box.

34

Flatbed LED

1. Click “Flatbed Test” on the main menu.
2. Click “LED” on the "Flatbed Test" dialog box.
3. Click “START” on the “LED” dialog box to start LED Test
    that continues until “STOP” is clicked.

4. Click “Close” to return to the "Flatbed Test" dialog box.
5. Click “Close” to return to the main menu.

Each LED (Red, Green)
turns on and/or off in a
constant period as follows:

Red: ON, Green: ON
                 

↓

Red: OFF, Green ON
                 

↓

Red: OFF, Green OFF
                 

↓

Red: ON, Green: ON

Sleep

1. Click “Flatbed Test” on the main menu.
2. Click “Sleep” on the "Flatbed Test" dialog box.
3. Click “START” on the “Sleep” dialog box to enter
    the sleep mode.
4. Click “STOP” to return from the sleep mode.
5. Click “Close” to return to the "Flatbed Test" dialog box.
6. Click “Close” to return to the main menu.

Start
Button

1. Click “Flatbed Test” on the main menu.
2. Click “Start Button” on the "Flatbed Test" dialog box.
3. After confirming the indication on the display, push
   the "Start Button" on the front panel of the unit and check
   the result on the display that shows "Button ON was
   detected” if successful. 

4. Click “Close” to return to the "Flatbed Test" dialog box.
5. Click “Close” to return to the main menu.

Carriage
Drive

1. Click “Flatbed Test” on the main menu.
2. Click “Carriage Drive” on the "Flatbed Test" dialog box.
3. Set “Test Condition” and “Scan Image Output Setting”
    according to your desired test parameter.
4. Set a document on the Flatbed Glass.
5. Click “START” on the “Carriage Drive” dialog box to start to
    scan the document continuously until "STOP" is clicked.
6. Click “Close” to return to the "Flatbed Test" dialog box.
7. Click “Close” to return to the main menu.

35

No power

1. Power Cord is not inserted to AC
    Adaptor correctly.

1. Insert the Power Cord to the AC Adaptor,
    correctly.
2. Replace the Power Cord. 

2. AC Adaptor does not work correctly or
    AC Adaptor failure occurs.

1. Connect the AC Adaptor to the scanner,
    again.
2. Replace the AC Adaptor.

3. LEDs (Red and Green Indicators) or
    their drive circuit does not work
    correctly.

1. Check the following connection and
    soldering condition on each connector:
     

→ JP4 (CONTROL Board) to JP1

         (PANEL Board)
2. Check the LEDs soldering condition on the
    PANEL Board.
3. Check the soldering condition (especially
    ASIC and JP4) on the CONTROL Board. 
4. Replace faulty parts. 

4. Boot program for the scanner does not
    work correctly.

1. Check the soldering condition (especially
    ASIC) on the CONTROL Board.
2. Replace the CONTROL Board.

5. PC does not recognize USB
   connection.

1. Check the USB cable's connection
    between the PC and scanner.
2. Connect the USB cable again, and then
    restart the scanner so as to check whether
    the PC recognizes the USB connection.
3. Check the soldering condition (especially
    JP5, ASIC, and their surrounding circuits)
    on the CONTROL Board. 

Defects in the scanned
image  
(ex: black or white lines
or banding in the image
)

1. Dust on the Flatbed Glass

1. Clean the surface of the Flatbed Glass.
2. Execute "Carriage Drive" in Sec. 9.3.5 to
    check the scanned image

2. Dust on the scanning position on the
    Scanning Unit

1. Remove the dust on the scanning position.
2. Execute "Carriage Drive" in Sec. 9.3.5 to
    check the scanned image.

3. Scanning Unit has some problems.

1. Execute "Carriage Drive" in Sec. 9.3.5
    to check whether this phenomenon is
    reproduced
2. Check the connection between CN2
   (CONTROL Board) and CN1 (CCD Board
   included in the Scanning Unit.) 
3. Replace the Scanning Unit.

Scanning position is
shifted.

1.Carriage mechanical problem

1. Check the mechanical condition of 
   the belt and gears on the Motor Assy.
2. Check the belt tension controlled by the
    Tension Plate Assy.
3. Reassemble the Scanning Unit while
     checking the attachment of the shaft to the
     scanner.
4. Execute "Carriage Drive" in Sec. 9.3.5.
5. Replace faulty parts.

Noise during scanning

1. Carriage mechanical problem

1. Check the mechanical condition of the
    gears on the Motor Assy. and the gear for
    the Tension Plate Assy. while executing
    "Carriage Drive" in Sec. 9.3.5.
2. Replace faulty parts

36

Start Button does not
work properly.

1. Button's ON/OFF mechanical problem 1. When pushing the Start Button, check

    whether the button contacts the switch on
    the PANEL Board to be turned on.
2. Reassemble the button, and then
   re-attach the Top Cover Assy. to the Bottom
   Cover Assy.
3. Replace the Start Button or PANEL Board.
4. Execute "Start Button" in Sec. 9.3.5. to
    check the ON/OFF condition.

2. Button's ON/OFF condition cannot be
    received by the control circuits on the
    CONTROL Board.  

1. Check the following connection and
soldering condition on each connector:

 

→ JP4 (CONTROL Board) to

      JP1 (PANEL Board)
2. Check the soldering condition of the
    switch on the PANEL Board.
3. Check the soldering condition of ASCI and
    its surrounding circuits on the CONTROL
    Board.
4. Replace faulty parts.
5. Execute "Start Button" in Sec. 9.3.5. to
    check the ON/OFF condition.