Kyocera TASKalfa 420i Operation Manual page 329

Symptom
Cannot print with USB
memory.
When displaying an
image sent from the
machine on the PC, an
image size is shrunk
vertically or
horizontally.
USB memory not
recognized.
Perform Gray
Adjustment in the
System Menu. is
displayed.
Performing Color
Calibration... appears
during continuous
copying and copying
stops.
White or color streaks
appear on prints.
OPERATION GUIDE
Checkpoints
Was the USB memory
formatted with a machine
other than this machine?
Is the USB host blocked?
Check that the USB memory
is securely plugged into the
machine.
Have you selected
200×100dpi Normal or
200×400dpi Super Fine for
the scan resolution?
Check that the USB memory
is securely plugged into the
machine.
Is the USB host blocked?
Over long periods of use, the
effects of the ambient
temperature and humidity
can cause color output hues
to vary slightly.
The machine is carrying out a
calibration process to ensure
color stability.
The inside of the machine
may be dirty.
Corrective Actions
Format the USB memory with this
machine.
Select Unblock in the USB host
settings.
—
Select a scan resolution other than
200×100dpi Normal or 200×400dpi
Super Fine when sending an
image.
—
Select Unblock in the USB host
settings.
Whenever the printed hues differ
from the original document or
image, carry out Gray Adjustment.
This is not a fault.Resume
continuous copying when the
calibration process ends.
Carry out Laser Scanner Cleaning.
Troubleshooting
Reference
Page
6-20
8-72
—
—
—
8-72
8-46
10
8-46
8-47
10-5