Streaked Horizontal Lines; Streaked Vertical Lines; Print Irregularities - Lexmark X782 Clearing Jams Manual

–
97 mm (3.8 in.)
Marks occur down the page repeatedly in all colors:
•
Replace the transfer roll if the defects occur
every 60 mm (2.4 in.)
• Check the first transfer bellcranks and springs
or replace the image transfer unit if the defects
occur every 101 mm (4 in.)
• Replace the fuser if the defects occur every
148 mm (5.8 in.)
Marks occur on every third or sixth page in any
color:
Replace the image transfer unit.
White or colored lines
1
Replace the color print cartridge that is causing
the line.
2
If you still have the problem, replace the image
transfer unit and transfer roller.
3
If you still have the problem, replace the fuser.

Streaked horizontal lines

Replace the print cartridge, the transfer roller, the
image transfer unit, or fuser as needed.
From the printer operator panel, print the repetitive
defects guide to determine which component needs
to be replaced.

Streaked vertical lines

• If paper is stiff, try feeding from another tray.
• Replace the print cartridge that corresponds to
the color displayed on the control panel.

Print irregularities

• Load paper from a fresh package in the paper
tray.
•
Avoid textured paper with rough finishes.
•
Make sure the printer paper type, paper texture,
and paper weight settings match the type of
paper you are using.
•
Replace the image transfer unit and transfer
roller.
• Replace the fuser.
Print too light
• Make sure the printer paper type, paper texture,
and paper weight settings match the type of
paper you are using.
•
The default Paper Weight setting in the Paper
Menu is Normal. For paper less than 20 lb bond
2
(75 g/m ), choose the Light setting. For 28 lb
bond to 47 lb bond (105 g/m
choose the Heavy setting.
• Select a different Toner Darkness setting from
the printer driver before sending the job to print.
•
Scroll to the Color Adjust setting in the Quality
Menu and press Select to adjust the color.
• Load paper from a new package.
• Avoid textured paper with rough finishes.
•
Make sure the paper you load in the trays is not
damp.
•
Shake the specified print cartridge to utilize the
remaining toner.
• Replace the print cartridge that corresponds to
the color displayed on the control panel.
Print too dark
•
Select a different Toner Darkness setting from
the printer driver before sending the job to print.
• Scroll to the Color Adjust setting in the Quality
Menu and press Select to adjust the color.
•
Replace the print cartridge that corresponds to
the color displayed on the control panel.
Transparency print quality is poor
•
Use only transparencies recommended by the
printer's manufacturer.
•
Make sure the Paper Type setting is set to
Transparency.
Toner specks
• Replace the print cartridge that corresponds to
the color displayed on the control panel.
•
Replace the transfer roller.
•
Replace the image transfer unit.
•
Replace the fuser.
•
Call for service.
Solving copy quality
problems
2 2
to 175 g/m ),
Unwanted background is visible
Adjust the Background Removal setting under
Copy  Options  Advanced Imaging. Touch the
right arrow to remove more background.
Unwanted patterns (Moire) appear
when a document is copied using
Photograph mode
Change the content mode to Printed Image under
Copy  Options  Content.
Vertical or horizontal lines are
noticed on copied pages
Clean the ADF scanner glass and backing material.
Black text is too light or
disappearing
•
Adjust the Darkness setting under the Copy
menu. Touch the right arrow to increase the
darkness setting.
•
Change the content mode to Text under
Copy  Options  Content.
•
Adjust the Background Removal setting under
Copy  Options  Advanced Imaging.
Touch the left arrow to remove less background.