4-6 Maintenance & Troubleshooting Rev. E
4.2.4 LED Blinking Pattern
4.2.4.1 Error Types
The printer stops all printer operations for the selected paper section, goes offline, and blinks the
ERROR LED when detecting an error.
❏ Errors that automatically recover
Note:
Print head temperature error is not abnormal.
❏ Errors that have the possibility of recovery:
When a recoverable error occurs, after the cause of the error is removed, the printer can
recover from the error by transmitting error recovery command without turning off the
power:
See “Removing a Paper Jam” (page 4-4) for removing a paper jam.
ERROR Description
ERROR LED Blinking Pattern
Recovery
Print head
temperature error
The temperature of the
thermal print head is
extremely high
Recovers automatically
when the print head
cools
ERROR Description
ERROR LED Blinking Pattern
Recovery
Autocutter error The autocutter does not
work correctly
Recovers by error recovery
command
Home position
detection error
The home position cannot
be detected due to a
paper jam
Recovers by error recovery
command
Carriage detection
error
The carriage is
malfunctioning due to a
paper jam, etc.
Recovers by error recovery
command
Paper roll cover open
error
Printing on the paper roll is
not performed correctly
due to a paper roll cover
open or unit cover open
Recovers by error recovery
command with the cover
closed
Slip ejection error The slip is not ejected
when the printer feeds a
specified amount of paper
Recovers by error recovery
command
Unit cover open error Printing on the paper roll or
on the slip is not performed
correctly due to a unit
cover open and front
cover open
When bit 8 of memory switch
8 is set to OFF: Recovers by
closing the unit cover
When bit 8 of memory switch
8 is set to ON: Recovers by
error recovery command
320 ms
320 ms
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