Operational Procedures
Page 28 43-06955 - Rev Q
Hard Errors
Hard errors have a similar blink pattern to soft errors, except that they are
slower and repeat every 10 seconds. In general, these errors occur during
level 0 diagnostics and are not recoverable. In these cases, the Fault and
Ready LEDs will blink at the same time.
EEPROM read fault 2 Blinks
EEPROM write fault 3 Blinks
Error Vector Taken 4 Blinks
Knife Error 5 Blinks
User Store Format Error 7 Blinks
User Data Store Error 8 Blinks
Flash Read/Write Error 9 Blinks
Memory Error 12 Blinks
Com Adapter 14 Blinks
Kernel Fault 15 Blinks
Auto Error Recovery
The Epic 430
TM
printer has the ability to auto recover from some internal
errors.
Flash Format Errors
The internal flash that is used to store graphic images is formatted to assure
data integrity. If this format is corrupted, the printer will automatically delete
and reformat the flash. The host can then reload the images.
Input Power Fault
The printer monitors the power input to the printer. If it is found to be greater
than 26 volts or less than 20, the printer will stop and wait for the power to
return to specification.
Head Temperature Fault
The printer monitors the head temperature. If the head temperature is greater
than 60º C, the printer will start to slow down. If the head exceeds 65º C, the
printer will stop. The printer will heat the head to maintain a head temperature
of 25º C. If the printer can not maintain a head temperature of 0º C, the printer
will stop. In all cases, the printer will automatically recover when the head
temperature is within range.
Configuration Faults Recovery
The printer maintains an operating configuration in EEPROM. Information
such as the printer’s serial number, operating configuration, and running totals
are stored in this memory. Each section of this memory maintains a check
character to signal that the data is valid. If this memory is found to be
corrupted, the printer will restore it based on a backup copy saved in flash.
This flash copy is generated when the printer was electronically configured
using the TransAct
®
configuration tool. Any configuration parameters altered
during normal operation, will not be saved in the flash copy. The EEPROM will
be restored to the value set by the configuration program.
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