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Disassembly/Assembly > Original Exposure/Feed System > Removing the ADF Upper Cover Unit > Procedure
Disassembly/Assembly > Original Exposure/Feed System > Removing the ADF Upper Cover Unit > Procedure
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When Replacing the CIS Unit
Perform the following operation after replacing the CIS Unit.
●
CIS gain and offset correction
1) Enter service mode.
SCAN > READER > FUNCTION > CCD > CCD-ADJ
2) Press "OK".
After this operation, output correction of the Contact Image Sensor is automatically
performed to set the parameter.
3) After auto adjustment is completed, OK is displayed.
(It will take approx. 15 seconds for this adjustment. During that time, display on the Control
Panel will not be changed.)
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DF white level adjustment (book mode scan/stream reading scan)
1) Place a sheet of paper which is normally used by the user on the Copyboard Glass,
and execute the following: service mode > SCAN > READER > FUNCTION > CCD >
DFWLVL1.
The white level during BOOK mode is read (checking the transmission of the glass for
BOOK mode).
2) Place a sheet of paper which is normally used by the user on the ADF, and execute the
following: service mode > SCAN > READER > FUNCTION > CCD > DF-WLVL2.
The white level during DF mode (stream reading) is read (checking the transmission of the
glass for stream reading) (reading both sides of the chart).
3) Place a sheet of paper which is normally used by the user on the Copyboard Glass, and
execute the following: service mode > SCAN > READER > FUNCTION > CCD > DF-
WLVL3.
The white level during BOOK mode is read (checking the transmission of the glass for
BOOK mode).
4) Place a sheet of paper which is normally used by the user on the ADF, and execute the
following: service mode > SCAN > READER > FUNCTION > CCD > DF-WLVL4.
The white level during DF mode (stream reading) is read (checking the transmission of the
glass for stream reading) (reading both sides of the chart).
Removing the ADF Upper Cover Unit
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Procedure
CAUTION:
Be sure not to touch the surface of the Roller and the Pad when disassembling/
assembling.
1) While pulling the [A] part of the ADF Front Cover, release the [B] part which works as an
open/close stopper and open the ADF Upper Cover Unit [1].
[1]
[A]
[B]
F-4-80
Содержание 1730
Страница 12: ...Update Firmware XXV Volume Control XXV Backup Data XXVI ...
Страница 17: ...1 1 Product Overview Product Overview Product Lineup Features Specifications Parts Name ...
Страница 211: ...5 5 Adjustment Adjustment Overview Adjustment when Replacing the Parts Image Position Adjustment ...
Страница 235: ...7 7 Error Code Error Code Overview Error Code Jam Code Alarm Code ...
Страница 250: ...8 8 Service Mode Service Mode Outline Details of Service Mode ...
Страница 333: ... Service Tools General Timing Chart General Circuit Diagram List of User Mode Appendix ...