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1) Press (Main Menu).
2) Press the right Any key to select <Additional Func>.
Adjustment/Cleaning
select to "ON"
First Calibration OFF*/ON
Auto Gradation Adjustment CAUTION:
Make sure to set a test print correctly. If a test print cannot be read correctly, the adjustments of gradation, density and color cannot be performed appropriately-
1) Open the feeder.
2) Clean the copyboard glass of the host machine.
3) Set A4 or LTR paper on the cassette. (Refer to the cassette settings.)
4) Close the feeder.
5) Specify the full adjustment in additional function mode.
[Additional Func] > [Adjustment/Cleaning] > [Auto Gradation Correction] > [Full Correction]
6) When 'Test Print1' is displayed, press [OK].
Test Print 1 is output. (It takes approx, 3min.)
7) Follow the instruction on a control panel and set the test print 1 on the copyboard glass.
8) Close the feeder.
9) Press [OK].
Test Print 1 is read.
10) When 'Test Print 2' is displayed, press [OK].
Test Print 2 is displayed.
11) Follow the instruction on a control panel and set the test print 2 on the copyboard glass.
12) Close the feeder.
13) Press [OK].
Test Print 2 is read.
14) When the auto adjustment window is displayed, remove the test print 2 from the copyboard glass.
15) Exit [Additional Func].
Dirt Sensor Control Dust correction
When dust is detected, the correction of removing the dust is automatically performed based on the scanned data.
However, when a document does not have a margin or it has an image on the margin, the machine determines that dust is adhered to the scanning glass surface, which may cause incorrect correction to be performed. In such a case, disabling of the correction can be set in the user mode. Adjustment/Cleaning > Automatic correction of feeder dust
ON: Perform automatic correction (initial setting)
OFF: Do not perform automatic correction.
Auto Gradation Correction Control Overview
Auto gradation correction control is to stabilize the gradation density features of image.
To execute, select [Adjustment/Cleaning > Auto Gradation Correction] in additional function mode.
It has the following 3 correction controls.
Full Correction (PASCAL) This correction outputs a test pattern and the reader scans its gradation
density to adjust the gradation. Number of test pattern sheet=2
Type of test pattern-
1st sheet: T-MIC
2nd sheet: high/low screen rulings
Quick Correction -This correction adjusts the gradation by means of D-half control instead
of outputting a test pattern. Number of test pattern sheet=0
Copy Image Correction -This correction outputs a test pattern and the reader scans its gradation to
mainly adjust the gradation of copy image. Number of test pattern sheet=1
Type of test pattern-
T-MIC
**Knowledge is time consuming, exhausting and costly for a trained Tech.**
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