e-STUDIO2500c/3500c/3510c
(4) Press the [BASIC] button on the Control Panel. Select "TEXT" from among the original mode options.
* To have "TEXT" selected from among the original mode options by default, refer to procedure (1) in 2.8
To Eliminate Moiré.
After selecting the Text mode, copy and check the copy image quality.
If further image quality adjustments are still necessary, use the next procedure.
(5) Enter adjustment mode [05]. Decrease the values for codes [648/649] to increase the copy density of text.
(To improve faint, smudged text or thin lines)
Original mode [05] code Recommended value Acceptable value range Default
Text/Photo 05-648
Text 05-649
Set a value smaller than 2. 0 to 4 2
* Set the value in increments of approximately 1, while checking the copy image until the optimum value is
obtained.
After increasing the copy density, copy and check the copy image quality.
If further image quality adjustments are still necessary, use the next procedure.
(6) Enter adjustment mode [05]. Change the values for codes [590/591] to adjust the gamma curve balance of
the medium- and high-density areas.
Original mode [05] code Subcode Recommended value
Acceptable
value range
Default
Text/Photo 05-590 1/2
Text 05-591 1/2
Set a value larger than 128. 0 to 255 128
* Set the value in increments of approximately 20, while checking the copy image until the optimum value is
obtained.
(Please be careful because the gradation (or density) of the medium-density area may exceed that of the
high-density area, depending on the set value.)
* The subcode varies according to the area where the density is adjusted. Refer to the table below and set
the subcode for the area to be adjusted. The density of light text or a graphic image will vary, if the
medium- or high-density area is mainly adjusted. Setting "0" for the subcode allows you to adjust the low-
density area. But it will not affect the light text or graphic images. Therefore, never change the value for
the low-density area.
Subcode Area where the density is adjusted
1 Medium-density area
2 High-density area
After adjusting the gamma curve balance, copy and check the copy image quality.
If further image quality adjustments are still necessary, use the next procedure.
2. Copier-specific Adjustments
2.1
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