Toshiba e-STUDIO556 Service Manual page 432

Multifunctional digital systems

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Gamma balance adjustment

The density is adjusted by adjusting the gamma balance. The adjustment is performed by selecting its

density area from the following: low density, medium density and high density.

e-STUDIO556/656/756/856

Language and screen

e-STUDIO557/657/757/857

Language and screen

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.

While pressing [0] and [5] simultaneously, turn the power ON.

Key in the codes to be adjusted and press the [START] button.

Key in the value corresponding to the density area to be adjusted (0, 1 or 2) and press the

[START] button.

0: Low density (L) 1: Medium density (M) 2: High density (H)

Key in the adjustment value. (To correct the value once keyed in, press [C] button.)

Press the [OK] or [INTERRUPT] button to store the value in memory. ¨ The equipment goes back

to the ready state.

For resetting the value, repeat step (2) to (5).

Press the [FAX] button and then the [START] button. Then perform test copying.

If the image density has not been attained, repeat step (2) to (7).

e-STUDIO556/656/756/856/557/657/757/857

The larger the value is, the

density of the item to be

Medium density

adjusted becomes darker.

Acceptable values:0 to 255.

High density

(Default: 128)