Lexmark X748 User's Guide - Page 320

Toner specks, Make sure there is no defective toner cartridge

Page 320 highlights

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: 1 From the printer control panel Paper menu, check the Paper Type setting. 2 Before 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.

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Toner specks
Try one or more of the following:
M
AKE
SURE
THERE
IS
NO
DEFECTIVE
TONER
CARTRIDGE
Replace the defective or worn cartridges.
M
AKE
SURE
THE
PHOTOCONDUCTOR
UNIT
IS
NOT
DEFECTIVE
Replace the defective photoconductor unit.
C
ALL
CUSTOMER
SUPPORT
Transparency print quality is poor
Try one or more of the following:
C
HECK
THE
TRANSPARENCIES
Use only transparencies that meet the printer specifications.
C
HECK
THE
PAPER
TYPE
SETTING
Make sure the paper type setting is set to Transparency:
1
From the printer control panel Paper menu, check the Paper Type setting.
2
Before 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.
Troubleshooting
320