10-17
Troubleshooting > Troubleshooting
Cannot print with USB drive.
USB drive not recognized.
Is the USB host blocked? Select [Unblock] in the USB host
settings.
page 8-43
― Check that the USB drive is securely
plugged into the machine.
―
Printouts have vertical lines.
Is the slit glass dirty? Clean the slit glass. page 10-3
Dirt on the top edge or back
of the paper.
Is the interior of the machine dirty? Clean the interior of the machine. page 10-4
Part of the image is
periodically faint or shows
white lines.
― Run [Drum Refresh 1]. page 10-30
Print on the back of the
sheet is visible on the front.
― Set [Prevent Bleed-through] to [On]. page 6-19
page 8-15
[Multi originals fed at
once.] is often displayed
though no multi originals are
not fed.
Is the sensor dirty with paper dust, etc.? Open the document processor cover
and clean two sensors shown in the
figure below with dry cloth.
―
Lines appear on ruled lines. Is the paper damp? Replace the paper with new paper. page 3-2
― Select the [System Menu/Counter] key
> [Adjustment/Maintenance] >
[Service Setting] >
[Transfer Adjustment], and set to
[Line Text Priority].
―
Symptom Checkpoints Corrective Actions
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