2KR/2KS
1-3-39
U081
Adjusting the correct exposure
Description
Adjusts the correct exposure in text and photo mode, text mode or photo mode.
Purpose
To be executed as required.
Setting
1. Press the start key.
2. Select the item to be set.
3. Change the setting using the +/- or numeric keys.
Increasing the setting makes the image darker; decreasing it makes the image lighter.
4. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, copying from an original is available in interrupt copying mode
(which is activated by pressing the system menu key).
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U087
Setting DP reading position modification operation
Description
The presence or absence of dust is determined by comparing the scan data of the original trailing edge and
that taken after the original is conveyed past the DP original scanning position. If dust is identified, the DP
original scanning position is adjusted for the following originals.
Purpose
When using DP, to solve the problem when black lines occurs due to the dust with respect to original reading
position.
Method
1. Press the start key.
2. Select the item to be set. The setting screen for the selected item is displayed.
Setting: Standard data when dust is detected
1. Select the item to be set.
2. Change the value using the +/- or numeric keys.
3. Press the start key. The value is set.
Setting: Initialization of original reading position
1. Select [CLEAR].
2. Press the start key. The setting is cleared.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Maintenance
item No.
Description
Display
Description
Setting
range
Initial
setting
MIX ADJ
Adjusts the correct exposure in text and photo mode -3 to 3
0
TEXT ADJ
Adjusts the correct exposure in text mode
-3 to 3
0
PHOTO ADJ
Adjusts the correct exposure in photo mode
-3 to 3
0
Display
Description
CCD
Setting of standard data when dust is detected
BLACK LINE
Initialization of original reading position
Display
Description
Setting range
Initial setting
CCD R
Lowest density of the R regard as the dust
0 to 255
145
CCD G
Lowest density of the G regard as the dust
0 to 255
145
CCD B
Lowest density of the B regard as the dust
0 to 255
145
Summary of Contents for TASKalfa 420i
Page 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 14: ...2KR 2KS This page is intentionally left blank ...
Page 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Page 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Page 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Page 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Page 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Page 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Page 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 491: ...INSTALLATION GUIDE FOR FAX System ...
Page 507: ......
Page 508: ......