2NL/2P8
1-3-55
U091
Setting the white line correction
Description
Sets the error detection threshold value for white line correction and displays the count result of
abnormal pixels.
Purpose
To perform when replacing the CIS, DP main PWB or CIS roller.
Method
1. Press the start key.
2. Select the item.
Method: white line correction
1. Press [Execute].
2. Press the start key. Holding of white reference data is started.
3. The count result of abnormal pixels is displayed.
4. Press the system menu key.
5. Place a gray original on the DP with the gray side down. Load paper in the cassette.
The paper should be the same size as the original.
6. Press the start key.
Two test pattern sheets will be printed.(1 st sheet: Approx. 60 mm black band, 2nd sheet:
Blank or approx. 60 mm gray band)
7. If vertical black lines appear on the blank (or gray band) page and vertical white lines appear
on the black band in the same position, clean the CIS roller and the CIS glass and then
repeat white line correction.
If vertical black lines or vertical white lines appear on both sheets, white line correction has
been completed normally. However, the cause of the vertical lines lies in the engine, and thus
the engine must be checked.
8. Press the system menu key.
Mode is set to 1.
Item No.
Description
Display
Description
Calculation(R)
Abnormal pixel count result for color R
Calculation(G)
Abnormal pixel count result for color G
Calculation(B)
Abnormal pixel count result for color B
Threshold(R)
Abnormal pixel detection threshold value for color R
Threshold(G)
Abnormal pixel detection threshold value for color G
Threshold(B)
Abnormal pixel detection threshold value for color B
Threshold
(Abnormal)
Abnormal pixel threshold value setting
Mode
Switching between white line correction mode ON/OFF
Execute
Holding of white reference data
Summary of Contents for TASKalfa 3010i
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Page 443: ...2NL 2P8 1 5 59 This page is intentionally left blank ...
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Page 532: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 568: ...DP 773 Document processor Installation Guide ...
Page 594: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 602: ...PF 810 3000 sheet deck Installation Guide ...
Page 615: ...DF 791 3000 sheet finisher Installation Guide ...
Page 630: ...DF 770 D 1000 sheet finisher Installation Guide ...
Page 648: ...AK 740 Bridge unit Installation Guide ...
Page 650: ...MT 730 B Mailbox Installation Guide ...
Page 665: ...PH 7A C D Punch unit Installation Guide ...
Page 686: ...DT 730 B Document tray Installation Guide ...
Page 731: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 732: ...FAX System W B Installation Guide ...