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Chapter 2 Bar Code Failures
90
Unscannable code
check media
Data validation error: missing
bar code. An expected bar
code is missing or was
printed so poorly that the
validator cannot detect it.
1. Check that paper and
ribbon are clean,
unwrinkled, and
installed correctly.
2. Run a print job and
check that the validator
beam is not obstructed;
remove obstructions as
necessary.
3. Run a print job and
check that the READ
LED flashes as bar
codes exit the printer. If
the READ LED does not
flash, cycle power and
run the job again. If the
READ LED does not
flash, inspect the cables
and the cable
connections. If the
cables are undamaged
and the connections are
good, replace the
validator.
4. If using bitmapped bar
codes, set Number of
Codes (page 50) to the
number of codes per
form (not Auto).
5. Adjust Print Intensity
and Print Speed in the
QUICK SETUP menu or
via host software.
Table 6. Message List
Message Explanation Solution