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29

Classification and Error codes are as follows. Troubleshooting for this error message and codes is shown in Sec.10.2.

U1-

—

H1-

—

F1-

Time  Out

U2-

—

H2-

—

F2-

Hardware

U3-

—

H3-

—

F3-

—

U4-

—

H4-

—

F4-

—

U5-

—

H5-

—

F5-

 Sensor

U6-

—

H6-

—

F6-

Scanning

U7-

—

H7-

—

F7-

—

U8-

—

H8-

—

F8-

—

U9-

—

H9-

—

F9-

—

-

00

00

00

00 No  error

F11

AC

00

00

00 Sent data time-out error

F12

AD

00

00

00 Read data time-out error

F21

04

00

00

00 RAM  Read/  Write  error

F51

0A

00

00

00 Carriage home sensor error   

F52

B0

00

00

00 Scanning Unit could not go back to the default position.

F61

07

00

00

00 White/ Dark calibration error 

F62

9C

00

00

00 Calibration error before scanning image

F63

9D

00

00

00 Scanned image error

F64

AF

00

00

00 Gamma data Read / Write error

F65

B2

00

00

00 CIS in the Scanning Unit cannot be turned on.

F66

B4

00

00

00 Scanning unit-feed error

F67

B7

00

00

00 Scanner can’t find the reference mark.

30

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.
   Then, Set “Waiting Time“ (Unit: minutes) to specify the
   amount of time until the scanner is turned off.
   (Or set “Disable”.)

3. Click “OK” to renew the setting.

Sleep:
15 minutes

Power Off:
30 minutes

31

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: OFF
                 

↓

Red: OFF, Green ON
                 

↓

Red: OFF, Green OFF

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 Top Cover 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.

32

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:
     

→ J4 (CONTROL Board) to 

          J1 (PANEL Board)
2. Check the LEDs soldering condition on the
    PANEL Board.
3. Check the soldering condition (especially
    ASIC and J4) 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
    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 Test" 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 Test" in Sec. 9.3.5 to
    check the scanned image.

3. Scanning Unit has some problems.

1. Execute "Carriage Test" in Sec. 9.3.5
    to check whether this phenomenon is
    reproduced
2. Check the connection between J3 
    (CONTROL Board) and CIS

(included in

    the Scanning Unit). 
3. Replace the Scanning Unit.

Scanning position is
shifted.

1.Scanning Unit mechanical problem

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

Noise during scanning

1. Scanning Unit mechanical problem

1. Check the mechanical condition of the
    gears driven by the Carriage Motor and the
    gear of the Idle Pulley Assy. while 
    executing "Carriage Test" in Sec. 9.3.5.
2. Replace faulty parts