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Chapter 2 Bar Code Failures
68
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. Press PAUSE to clear
the message.
5. In the VALIDATOR
menu, press ↓ until
“Clear Data” displays,
then press ↵.
Validator not
communicating
The Validator Funct. = Enable
in the VALIDATOR menu, but
when the printer was first
powered up it could not
communicate with it.
Check that the validator
signal cable is securely
connected to the validator
unit.
Table 4. Message List
Message Explanation Solution