Specifications

226
5.5 Troubleshooting
Table 5.4
Check item Remedies
Reference
page
Symbol cannot be captured.
Is the Imager filter soiled ? Wipe off the dirt with a soft cloth. 214
Is the filter damaged ? Replace the filter. 214
Is the symbol resolution too fine or
too rough?
Printing should be made at a resolution of 0.2 to 1 mm for 1D
symbols, and 0.38 to 1 mm for 2D symbols.
220
Is the symbol too large? If the full data is not contained in one symbol, divide it into two
or more symbols.
224
Are symbols printed with a
sufficient contrast? In addition, does
the printed surface look white or
have light-warm color, or is the
symbol printed in black or in a
dark-cool color?
Print the symbol so that the contrast of the symbol is
significant. Also, print the symbol in black on a white
background.
225
Does the symbol have a sufficient
margin around it?
Do not print extra characters or figures around the symbol.
Allow a sufficient margin around the symbol.
221
Symbols must be printed on paper with less gloss. Do not
overlap film, etc., on the symbol.
223 Is the paper on which the symbol is
printed glossy? Is it covered by a
film, etc.?
Reduce the LED illumination intensity of the Imager. 225
Is the objective symbol enabled by
the setup for capturing?
Set the symbol to be enabled for capturing. 224
Is the parameter setting for the
symbol to be captured correct?
Set the parameters correctly for the symbol.
- Check if the number of characters derived from the symbol
is within the specified range.
- Check if the check digit calculation is specified for symbols
that do not require the check digit calculation.
224
Is the green LED irradiating the
symbol?
Turn on the green LED so as to irradiate the center of the target
symbol.
--
Is the Imager too close to or too far
from the symbol?
Try to change the distance between the Imager and the symbol. 214
Is the symbol or Imager fixed for
capturing?
Fix the symbol or Imager for capturing. 215
Is the environment for capturing
symbol dark?
Sufficiently illuminate the symbol to be captured. 225
Is the symbol directly irradiated by
the illumination? In addition, is the
illumination beam an incident beam
or a reflected beam into the Imager?
Prevent the symbol and Imager from being directly irradiated
by intense light.
215
Continue.