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Troubleshooting
10-5
10
Cannot print with USB
memory.
Is the USB host blocked? Select Unblock in the USB host
settings.
8-168
Check that the USB memory
is securely plugged into the
machine.
——
When displaying an
image sent from the
machine on the PC, an
image size is shrunk
vertically or
horizontally.
Have you selected
200×100dpi Normal or
200×400dpi Super Fine for
the scan resolution?
Select a scan resolution other than
200×100dpi Normal or 200×400dpi
Super Fine when sending an
image.
5-18
USB memory not
recognized.
Check that the USB memory
is securely plugged into the
machine.
——
Is the USB host blocked? Select Unblock in the USB host
settings.
8-168
Skewed-color printout — Conduct color registration using
the operation panel.
8-103
Black or white vertical
streaks
Is the slit glass dirty? Clean the slit glass. 9-2
Check the operation panel
for toner.
If the “Toner is running out.
C, M, Y, K” message is displayed
with color description, install a new
toner kit for the color.
9-4
— Run [LaserScanner Cln]. 8-112
— Run [Drum Refresh]. 8-113
Grey background — Conduct color calibration either by
switching the machine off then on
or using the operation panel.
8-103
Dirt on the top edge or
back of the paper
Check the paper chute and
the ramp.
Open the rear cover and check for
toner on the paper ramp inside the
paper transfer unit. Clean the
paper ramp using a soft, dry, lint-
free cloth.
9-3
Symptom Checkpoints Corrective Actions
Reference
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