Restrictions for the Barcode Check Function
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• The barcode check is not performed if the position at which the check starts is detected after the
label feeding begins to stop. Define the label layout and position at which the check starts by
keeping in mind that the distance required for stopping is proportional to the print speed.
• Printed barcodes or 2D codes can be read only with a size at which their entire pattern is within
the scanning range of the barcode checker. A reading error may occur depending on the print
position.
• When powering on the product, do not connect or disconnect the barcode checker. The product
may not operate properly.
• The barcode data that can be read for 1 item is up to 200 bytes per barcode and up to 200 Kb in
total.
Restrictions When Using GFS4170
• It keeps emitting a laser light while the product is powered on. To turn off the laser light, power off
the product.
Restrictions When Using GFS4470
• By the double-reading prevention function, the barcode checker may not read barcodes that are
printed successively if they are within the readable area. Adjust the print position so that same
barcodes are not within the readable area.
• When printing composite symbols that use GS1 DataBar, the read data and print data never
match if the barcode data is 16 digits or less. A comparison error occurs in comparison mode.
• Though "\" (0x5C) specified in MAXI code, print data should be read as "\\" in the specifications.
However, it may not be read as such, depending on the following data. For example, "\A"
specified in print data should be read as "\\A" in the specifications, but it is actually read as only
"A".
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