Printronix T5204R Administrator's Manual page 312

Chapter 6
Diagnostics for E0xx, Bad NVM, or ILL NVM Errors
Table 18. LCD Message Troubleshooting (continued)
Displayed Message
BUFFER OVERRUN
Calibration
warning
CALIBRATION FAIL
CANNOT
CALIBRATE
Disable Peel-Off
Checksum Failure
312
Can User
Explanation
Correct?
Yes Receive overrun (serial
interface).
Yes The validator has
detected that it needs
calibration. This is a
reminder message and
does not halt printing.
Yes Calibration values
derived from Manual
Calibrate were not
acceptable.
Yes Run Calibrate was
attempted with Peel-
Off Media Handling
selected.
NOTE: You can
perform Auto Calibrate
in Peel-Off mode if Cal
in Peel Mode = Enable.
Be prepared to catch
labels during Auto
Calibrate.
Yes The validator detected
that the barcode fails
checksum or is missing
the checksum digit.
Solution
1. Make a configuration
printout.
2. Verify that the printer
matches the host serial
interface configuration
settings for Data Protocol,
Baud Rate, Data Bits, Stop
Bits, Parity, Data Terminal
Ready, and Request to
Send.
3. Set the printer serial
interface parameter to
match those of the host.
Press the PAUSE key to clear
the message. Perform the
calibration procedure
described in the Data Validator
User's Manual.
Run Manual Calibrate again.
1. Select another Media
Handling option in the
QUICK SETUP or MEDIA
CONTROL menu.
2. Enable Cal in Peel Mode in
the CALIBRATE CTRL
menu.
NOTE: Admin User must =
Enable.
Verify that the checksum digit
exists in the barcode and that it
is the correct value.