Pantum CM9106 Series User Manual page 164

• The paper used has been stored in
the air for a prolonged time.
• Photosensitive drum is not installed
normally.
• The print head lenses are dirty.
Vertical dark lines
• The photosensitive drum is damaged.
• The print media does not meet the
usage specification. For example, the
print media is textured, damp, or too
rough.
• Photosensitive drum is not installed
normally.
Horizontal white
• The print head lenses are dirty.
lines
• The photosensitive drum is damaged.
• The print media does not meet the
usage specification. For example, the
print media is textured, damp, or too
rough.
• Photosensitive drum is not installed
normally.
Vertical white
• The print head lenses are dirty.
lines
• The photosensitive drum is damaged.
Note: • The faults above can be mitigated by cleaning or replacing the cartridge. If the problem persists,
please contact the customer service center. See the Three Guarantees certificate for contact
details.
• Keep the paper in its original wrapper
before use.
• Remove the photosensitive drum and
reinstall it.
• Clean print head lenses.
• Replace photosensitive drum.
• Please correctly use the medium
conforming to the specifications. See
Section 2.
• Remove the photosensitive drum and
reinstall it.
• Clean print head lenses.
• Replace photosensitive drum.
• Please correctly use the medium
conforming to the specifications. See
Section 2.
• Remove the photosensitive drum and
reinstall it.
• Clean print head lenses.
• Replace photosensitive drum.
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