Minolta MAGICOLOR 2350 Guide de l'utilisateur télécharger pdf (Page 77)

Troubleshooting Color Problems

English

K-Preserve

On CMYK printers, black is generally made by mixing all four toner colors. K-

Preserve lets you maintain the K or black channel for graphics in a CMYK file,

so that blacks are printed with black toner only rather than a combination of

toners.

You can select this option in the printer driver by choosing the Features tab,

clicking the Color Options or Advanced Color Options button (depending on

your operating system), and checking the K-Preserve box.

RGB Gray Treatment

This option, available through the printer driver and PageScope Light, offers

three options for gray/black printing.

 Black Only, which prints 100% black with black toner only.

 Black and Gray, which prints all 100% black and intermediate grays with

black toner only

 Composite Black, which prints 100% black and intermediate grays with a

composite of all four toners.

Troubleshooting Color Problems

The magicolor 2350 color matching system is optimized for the sRGB

Standard, which is the standard used with many common applications such

as Microsoft Office. In most cases, you do not need to make any adjustments

to the default color settings to achieve the best results.

If you have trouble with color, however, there are several things to check.

1 Mechanical Problems—Print quality problems that are caused by

mechanical problems are usually drastic—colors that change from page

to page; colors that are off-register; colors that aren’t anything like you

expect.

 Are toner cartridges installed properly?

 Do all four toner cartridges have toner?

 Are the printer doors closed?

 Is the OPC drum installed properly?

 Is the laser lens cover dirty?

Instructions for checking all these mechanical issues are included in this

manual.

2 Resolution—If images look grainy or if your page is printed with black

toner only, the resolution may be set wrong.

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Minolta MAGICOLOR 2350 Guide de l'utilisateur Page 77