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Chapter 1 Product Overview
1
Status and Errors
The status of the printer is indicated by lit and flashing LEDs.
Status Display
O: OFF N: ON F: Flashing
-: Changes depending on whether or not paper is detected.
You cannot print when an error has occurred.
You cannot identify the error by the flashing patterns of the LEDs. Develop the application so that
users can identify the error description and check the solutions.
Power
LED
Error
LED
Paper
LED
Printer Status
NOOOnline
NO - During a self-test
While feeding paper using the Feed button
NN - While initializing after turning on the power
Roll paper cover open while not printing
NOFWaiting for the self-test to continue
Waiting for a Macro execution to run
NNFWaiting to print a status sheet
NNNNo paper
NN - Automatically Recoverable Errors
Recoverable Errors
N F - Unrecoverable Errors
CAUTION:
Turn off the power immediately when an unrecoverable error occurs.
If the same error occurs again even after turning the power back on, contact
qualified service personnel.
FOOUpdating firmware
FOFWhile forced updating firmware mode is on
F - - During network startup when the power is turned on
FOODuring power off
NOTE:
The printer enters this status while processing the power off command. It is
recommended to use this method when you need to save information on
the printer’s operating status if the power is cut without using the power
switch.