Lexmark X748 User's Guide - Page 291

Clear any error messages, Replace the toner or print cartridge, Clean the scanner glass

Page 291 highlights

Troubleshooting 291 • Dark print • Skewed lines • Smudges • Streaks • Unexpected characters • White lines in print Try one or more of the following: CLEAR ANY ERROR MESSAGES Check the display and clear any error messages. REPLACE THE TONER OR PRINT CARTRIDGE When the print remains faded, replace the toner or print cartridge. CLEAN THE SCANNER GLASS The scanner glass may be dirty. Clean the scanner glass with a clean, lint‑free cloth dampened with water. For more information, see "Cleaning the scanner glass" on page 229. ADJUST THE TONER DARKNESS OF THE COPY Adjust the toner darkness from the Copy menus. MAKE SURE THE QUALITY OF THE ORIGINAL DOCUMENT IS SATISFACTORY Check the quality of the original document. PLACE THE ORIGINAL DOCUMENT PROPERLY Make sure the document or photo is loaded facedown on the scanner glass in the upper left corner. MAKE SURE TO USE THE APPROPRIATE COPY SETTINGS When patterns (moiré) appear in the output: • On the Copy screen make sure the Content Type and Source settings are appropriate for the document being scanned. • From the Copy screen, navigate to: Advanced Options > Advanced Imaging > Sharpness > lower the Sharpness setting • On the Copy screen, make sure no scaling is being selected.

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Dark print
Skewed lines
Smudges
Streaks
Unexpected characters
White lines in print
Try one or more of the following:
C
LEAR
ANY
ERROR
MESSAGES
Check the display and clear any error messages.
R
EPLACE
THE
TONER
OR
PRINT
CARTRIDGE
When the print remains faded, replace the toner or print cartridge.
C
LEAN
THE
SCANNER
GLASS
The scanner glass may be dirty. Clean the scanner glass with a clean, lint
free cloth dampened with water.
For more information, see “Cleaning the scanner glass” on page 229.
A
DJUST
THE
TONER
DARKNESS
OF
THE
COPY
Adjust the toner darkness from the Copy menus.
M
AKE
SURE
THE
QUALITY
OF
THE
ORIGINAL
DOCUMENT
IS
SATISFACTORY
Check the quality of the original document.
P
LACE
THE
ORIGINAL
DOCUMENT
PROPERLY
Make sure the document or photo is loaded facedown on the scanner glass in the upper left corner.
M
AKE
SURE
TO
USE
THE
APPROPRIATE
C
OPY
SETTINGS
When patterns (moiré) appear in the output:
On the Copy screen make sure the Content Type and Source settings are appropriate for the document being
scanned.
From the Copy screen, navigate to:
Advanced Options
>
Advanced Imaging
>
Sharpness
> lower the Sharpness setting
On the Copy screen, make sure no scaling is being selected.
Troubleshooting
291