FC4200-UM-251-03-9370 58
TROUBLE SHOOTING
9.3 The Coordinate Axes Cannot Be Correctly Aligned
Symptom Cause Solution
During automatic registration mark
alignment, the MARK SEARCH
ERROR message is displayed or the
coordinate axes cannot be properly
aligned.
There is foreign matter or plotting
on the area where the mark sensor
passes.
Ensure that the detection area is free of
foreign matter or plotting.
The medium is loose or wrinkled
where the mark sensor passes.
• Firmly secure the medium so that it
will not come loose.
• Use a medium without any wrinkles,
creases, or folds.
The medium is not white. Use a white medium.
The registration marks are not
printed using black ink.
Print the registration marks using
black ink.
The lines of the printed registration
marks are too thin or are not
cleanly printed.
Print clean registration marks with a line
width of at least 0.3 mm.
Strong light is irradiating the
vicinity of the mark sensor.
Ensure that no light from an external
source irradiates the vicinity of the mark
sensor.
If none of the above solutions are feasible, perform registration mark
alignment manually.
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