Image Quality Adjustment (Fax Function) - Oki MB760 Service Manual

4.5

Image Quality Adjustment (FAX Function)

4.5.1 Density adjustment
The center density and the density variation controlled by density adjustment keys can be adjusted
as follows.
<Adjustment Mode (05)>
Color
Text/
mode
Photo
Black 7533
7542
* Since the gradation in this mode is reproduced in a binary image (black and white), this
adjustment should be a simple binary threshold adjustment.
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in a code and press the [START] button.
(3) Key in an adjustment value.
(To correct the value once keyed in, press the [CLEAR] button.)
(4) Press the [OK] or [INTERRUPT] button to store the value. → The equipment goes back to
the ready state.
(5) Turn the power OFF.
<Confirmation>
If possible, perform a Fax transmission and check the adjusted density with the image on the
recipient's side.
45641001TH Rev.1
Original mode
Text * Photo
7534 7535 Manual density
center value
− 7543 Automatic
density mode
Item to be
adjusted
[TEXT/PHOTO], [PHOTO]: The larger
the value is, the darker the image
becomes.
[Text]: The larger the value is, the
lighter the image becomes.
Acceptable values: 0 to 255 (Default:
128)
The larger the value is, the darker the
image becomes.
Acceptable values: 0 to 255 (Default:
128)
Oki Data CONFIDENTIAL
Remarks
4-23 /