Toshiba e-STUDIO2008A Service Manual page 411

6.4.7 Gamma balance adjustment
The density can be adjusted by regulating the gamma balance. The adjustment can be performed by
selecting its density area from the following: low density, medium density and high density.
Language and screen
Text/
Photo Text
Photo
7190-0 7192-0 7191-0
7190-1 7192-1 7191-1
7190-2 7192-2 7191-2
Notes:
Changing the adjustment setting influences the adjacent density area slightly.
E.g.: When the value of the medium density is larger, the adjacent areas in the low density and
high density range will become slightly darker.
<Procedure>
(1) Performs FS-05.
(2) Key in the code for an item to be adjusted and then press the [START] button.
(3) Key in a number for the density area to be adjusted (0, 1 or 2), and then press the [START]
button.
0: Low density 1: Medium density 2: High density
(4) Key in an adjustment value.
(To correct the keyed-in value, press the [CLEAR] button.)
(5) Press the [OK] button to store the value in memory. The equipment goes back to the ready state.
(6) For resetting the value, repeat step (2) to (5).
(7) Press the [TEST COPY] button and then the [START] button. Then perform test copying.
(8) If the desired image density has not been attained, repeat step (2) to (7).
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Item to be adjusted
User
custom
7276-0 Low density
7276-1 Medium density
7276-2 High density
6 - 27
< 05 Adjustment Mode >
Remarks
The larger the value is, the density
of the item to be adjusted becomes
darker.
Acceptable values: 0 to 255.
(Default: 128)
e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A
SETTING / ADJUSTMENT
6