SATO CL4NX Operator's Manual page 724

Error Message 1021 (BCC Check Error)
When there is an error with the printer, the error message appears on the screen.
Check the cause and countermeasure, and then take appropriate action.
To clear the error:
Press the
Cause and Countermeasure
Cause
The BCC code of the data to be sent (one item) is incorrect.
Countermeasure
Check the data to be sent and interface settings.
◦
button: Continue printing from the print data where the BCC error occurred.
◦ Cancel button: Cancel the print data where the BCC error occurred, and continue printing from
the next item.
◦ Send the SUB command: Clear the BCC error and continue printing from where it stopped.
◦ Send the CAN command: Cancel the print data where the BCC error occurred and continue
printing from the next item.
Contact your SATO technical support center if the error cannot be resolved.
Contact Information for When You Are in Trouble
button (CANCEL) or button.
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