Lexmark X748x Solving color quality problems, Toner specks, Transparency print quality is poor

Troubleshooting 320

Toner specks

Try one or more of the following:

MAKE SURE THERE IS NO DEFECTIVE TONER CARTRIDGE

Replace the defective or worn cartridges.

MAKE SURE THE PHOTOCONDUCTOR UNIT IS NOT DEFECTIVE

Replace the defective photoconductor unit.

CALL CUSTOMER SUPPORT

Transparency print quality is poor

Try one or more of the following:

CHECK THE TRANSPARENCIES

Use only transparencies that meet the printer specifications.

CHECK THE PAPER TYPE SETTING

Make sure the paper type setting is set to Transparency:

1From the printer control panel Paper menu, check the Paper Type setting.

2Before sending the job to print, specify the correct type setting:

•For Windows users, specify the type from Print Properties.

•For Macintosh users, specify the type from the Print dialog.

Solving color quality problems

FAQ about color printing

What is RGB color?

Red, green, and blue light can be added together in various amounts to produce a large range of colors observed in nature. For example, red and green can be combined to create yellow. Televisions and computer monitors create colors in this manner. RGB color is a method of describing colors by indicating the amount of red, green, or blue needed to produce a certain color.

What is CMYK color?

Cyan, magenta, yellow, and black inks or toners can be printed in various amounts to produce a large range of colors observed in nature. For example, cyan and yellow can be combined to create green. Printing presses, inkjet printers, and color laser printers create colors in this manner. CMYK color is a method of describing colors by indicating the amount of cyan, magenta, yellow, and black needed to reproduce a particular color.