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e-STUDIO281c/351c/451c
2.1.3 To Adjust the Copy Image Quality in Auto Color Mode
* You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed
below. You can use one procedure in conjunction with another. But if this changes the image quality more
than required or loses effectiveness of the adjustment, restore the settings made in the previously used
procedure to the original. Then perform the next procedure.
* Procedures (1) and (2) are used by the service technician, and by the user.
* Procedure (3) is used by the service technician only.
(1) Press the [BASIC] button on the Control Panel. Press the [ ] button to increase the copy density.
After increasing the copy density, copy and check the copy image quality.
With the copy density set to the maximum, if further image quality adjustments are still necessary, use the
next procedure.
(2) Press the [IMAGE] button on the Control Panel. Press the [SHARPNESS] button.
Press the [SHARP] button to increase the sharpness intensity.
After increasing the sharpness intensity, copy and check the copy image quality.
With the sharpness intensity set to the maximum, if further image quality adjustments are still necessary, the
service technician must use the next procedure.
(3) Enter adjustment mode [05]. Increase the value for code [1757] to increase the copy density of text (or
increase the sharpness intensity).
• Only the Text/Photo mode option is available in Auto color mode. Set a value larger than "16" for code
05-1757.
Original mode [05] code Value recommended Acceptable value range Default
Text/Photo 05-1757 Set a value larger than 16. 0 to 31 0
* Setting "1" provides the softest image, while setting "31" provides the sharpest image. The default value
("0") provides an image as sharp as the one provided by setting "16."
Changing the value for these codes will change the sharpness intensity, when the "Sharpness" indicator in the
"IMAGE" menu is set to the center. Remember that 1 step of the indicator will increase or decrease the
sharpness intensity by 3. If the sharpness intensity of the center value is changed, each step of the indicator
will be changed accordingly. (For instance, if the center value is increased by 5 (sharper), the value of each
step of the indicator will also be increased by 5 (sharper).)
2. Copier-specific Adjustments
2.1