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e-STUDIO281c/351c/451c
To adjust the image quality in full-color printing
("Automatic" is selected from among the "Color" options on the PCL5c or PS3 printer driver. "Color" is
selected from among the "Color Resolution Type" options on the Macintosh printer driver.)
* The "Color" options are available in the "Setup" tab on the PCL5c and PS3 printer drivers. The "Color
Resolution Type" is available in the "Quality" menu on the Macintosh printer driver.
(a) Enter adjustment mode [05]. Change the values for codes [1055 to 1058] to adjust the upper limit of the
image density in toner save mode.
* Printing on Macintosh is performed in PostScript. (See the "PS3" row in the table below.)
* The resolution option on the Macintosh printer driver is "Low-res" (= 600 x 600) or "High-res" (= 1200 x 600).
PDL Resolution [05] code Value recommended
Acceptable
value range
Default
600 x 600 05-1057
PCL5c
1200 x 600 05-1058
600 x 600 05-1055
PS3
1200 x 600 05-1056
Set a value smaller than 176 to
decrease the density.
Set a value larger than 176 to
increase the density.
0 to 255 176
*Set the value in increments of approximately 10, while checking the printout until the optimum value is obtained.
To adjust the image quality in black-and-white printing
("Mono" is selected from among the "Color" options on the PCL5c or PS3 printer driver. "Mono" is
selected from among the "Color Resolution Type" options on the Macintosh printer driver.)
* The "Color" options are available in the "Setup" tab on the PCL5c and PS3 printer drivers. The "Color
Resolution Type" is available in the "Quality" menu on the Macintosh printer driver. The PCL6 printer
driver supports only black-and-white printing. Therefore, the "Color" option is not available.
(a) Enter adjustment mode [05]. Increase the value for code [664] or [665]. Increase the upper limit of the
image density in toner save mode.
* Printing on Macintosh is performed in PostScript. (See the "PS3" row in the table below.)
PDL [05] code Value recommended
Acceptable
value range
Default
PCL5c/PCL6 05-665
PS3 05-664
Set a value smaller than 176 to
decrease the density.
Set a value larger than 176 to
increase the density.
0 to 255 176
*Set the value in increments of approximately 10, while checking the printout until the optimum value is obtained.
Cautions after the completion of the adjustment
The adjustment may possibly increase the amount of toner used (if the image density is increased) or cause the faint print
image (if the image density is decreased). Therefore, carefully perform the adjustment, while checking the printout.
3. Printer-specific Adjustments
3.10