Print Quality Checks - Lexmark X215 MFP Service Manual

Print quality checks

Problem
• Straight thin black
vertical line and band
• Dark black vertical
bands
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc
• Vertical white streak
• Faded areas
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc
Possible causes
• The drum inside the toner cartridge has
probably been scratched.
• Toner cartridge failure.
• Foreign material between transfer/charge/
development rollers.
• Deformed transfer roller.
• The toner supply is low. Before changing
the cartridge, try redistributing the toner or
cleaning the photoconductor drum first.
• Toner cartridge failure.
Note: If dense paper is used or processing
a lot of graphics, the cartridge may need
changing more often.
• Paper may not meet specifications (too
moist or too rough). See
speciality media guidelines" on page 1-3
for more information.
• If the entire page is light, adjust the
darkness and content. See
settings" on page 3-19
information.
• A combination of faded or smeared defects
may indicate that the toner cartridge needs
cleaning. See "Cleaning the
photoconductor drum" on page 1-9
more information.
• Printhead failure.
• Fuser failure.
• Foreign material on printhead lens.
Diagnostic information
4038-001
"Paper and
"Customizing
for more
for
2-21