Toshiba 4511, 3511 3.7 Image Quality Adjustment (Scanning Function)

e-STUDIO3511/4511 ADJUSTMENT 3 - 38 November 2003 © TOSHIBA TEC

3.7 Image Quality Adjustment (Scanning Function)

3.7.1 Gamma balance adjustment

The gamma balance at the Black Mode is adjusted by adjusting the density. The adjustment is performed

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

Remarks

The larger the value is, the density

of the item to be adjusted becomes

darker.

Acceptable values: 0 to 255.

(Default: 128)

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

(2) Key in the code corresponding to the desired original mode and press the [START] button.

(3) 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)

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

(5) Press the [ENTER] or [INTERRUPT] 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) Let the equipment restart and perform scanning job.

(8) If the desired image has not been attained, repeat step (1) to (7).

Item to be

adjusted

Low density

Medium density

High density

Black

Text/Photo

880-0

880-1

880-2

Black

Text

881-0

881-1

881-2

Black

Photo

882-0

882-1

882-2

Gray Scale

mode

883-0

883-1

883-2

Original mode