Lexmark E360d Service Manual - Page 60

Solving print quality problems - user guide

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4513-420, -430 Solving print quality problems Note: Refer to the print defects guide at the end of the manual for repeating defects. Print quality problems Problem Cause / action Light or blurred characters. Toner smudges appear on the front or back of the page. Light print See "Light print" on page 2-33. The toner cartridge may be getting low on toner: • Remove the toner cartridge and print cartridge assembly. • Shake it from side to side to redistribute the toner. • Reinstall it, and recheck for condition. • Make sure to use the recommended print media (see media types and sizes in the User's Guide). • Use MarkVision™ Professional to define the custom type setting for media type, media texture, or media weight. • The toner cartridge or PC Kit may be defective. Replace the PC Kit first, and recheck. Blurred characters Blurred images, including characters, are usually caused by a defective printhead. Vertical white lines See "Vertical streaks" below. Vertical white lines may be caused by the laser beam, which may be partially blocked. With the printer off, clear the path or clean the lens. The toner cartridge or fuser may be defective. Try a different toner cartridge. Inspect the fuser at its entry for debris. • Make sure the media is straight and unwrinkled. • Replace the PC Kit, and recheck before replacing the toner cartridge. See "Toner on back of page" on page 2-33 for more information. Vertical or horizontal streaks appear on the page Vertical streaks Something could be caught between the PC kit and the fuser. Check the paper path around the fuser entry. Try a different toner cartridge. Vertical white lines may be caused by the laser beam, which may be partially blocked. With the printer off, clear the path or clean the lens. The toner cartridge or fuser may be defective. Try a different toner cartridge. Inspect the fuser at its entry for debris. Horizontal streaks The toner cartridge or the fuser may be the cause due to excessive page count or defect. Replace as needed. If the lines are parallel and match the two intended ghost images, then the Form Type may be incorrectly set. Check those settings. The PC cleaner sump may be full. Replace the PC kit. 2-34 Lexmark™ E360d, E360dn

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2-34
Lexmark™ E360d, E360dn
4513-420, -430
Solving print quality problems
Note:
Refer to the print defects guide at the end of the manual for repeating defects.
Print quality problems
Problem
Cause / action
Light or blurred
characters.
Light print
See
“Light print” on page 2-33
.
The toner cartridge may be getting low on toner:
•
Remove the toner cartridge and print cartridge assembly.
•
Shake it from side to side to redistribute the toner.
•
Reinstall it, and recheck for condition.
•
Make sure to use the recommended print media (see media types and sizes in the
User’s Guide
).
•
Use MarkVision™ Professional to define the custom type setting for media type, media
texture, or media weight.
•
The toner cartridge or PC Kit may be defective. Replace the PC Kit first, and recheck.
Blurred characters
Blurred images, including characters, are usually caused by a defective printhead.
Vertical white lines
See
“Vertical streaks"
below.
Vertical white lines may be caused by the laser beam, which may be partially blocked. With
the printer off, clear the path or clean the lens. The toner cartridge or fuser may be
defective. Try a different toner cartridge. Inspect the fuser at its entry for debris.
Toner smudges appear
on the front or back of
the page.
•
Make sure the media is straight and unwrinkled.
•
Replace the PC Kit, and recheck before replacing the toner cartridge. See
“Toner on
back of page” on page 2-33
for more information.
Vertical or horizontal
streaks appear on the
page
Vertical streaks
Something could be caught between the PC kit and the fuser. Check the paper path around
the fuser entry. Try a different toner cartridge.
Vertical white lines may be caused by the laser beam, which may be partially blocked. With
the printer off, clear the path or clean the lens. The toner cartridge or fuser may be
defective. Try a different toner cartridge. Inspect the fuser at its entry for debris.
Horizontal streaks
The toner cartridge or the fuser may be the cause due to excessive page count or defect.
Replace as needed.
If the lines are parallel and match the two intended ghost images, then the Form Type may
be incorrectly set. Check those settings.
The PC cleaner sump may be full. Replace the PC kit.