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103
Troubleshooting
Symptom Example Action
The printed paper has
ver
tical streaks.
• Verify that the appropriate paper is being used (→p.22).
• Print a test page with new paper.
• If the machine is not in use for a long time after the toner cartridge
has been replaced, change the <Special Mode B> settings from
the operation panel.
• When copying, change the <Special Mode Z> settings from the
operation panel.
• When faxing, change the <Special Mode Z> and
<Special Mode C> settings from the operation panel.
• When printing from a computer, change the <Special Mode D>
settings from the operation panel, or change the [Special Print
Adjustment] settings from the printer driver.
Smudge marks of
spatte
ring toner
appear around the
text or as patterns.
• Verify that the appropriate paper is being used (→p.22).
• Change the <Special Mode U> settings from the operation panel.
The overall print result
is dark.
• Adjust the copy density settings (→p.32).
• If the machine is exposed to direct sunlight or strong light, move the
machine to another location.
The bottom edge of
pap
er has smudge
marks.
Provide a margin around the data.
A portion of the page
is not printe
d.
Provide a margin around the data.
Printed bar codes
cannot b
e scanned.
If printing a bar code from a computer, open the printer driver and
select [Finishing] [Advanced Settings] [Special Print Mode]
[Special Settings 1] to change the printing preferences.