Datamax-O'Neil H-Class Operator’s Manual - Manual (Page 123)

H-Class 113
Fault Messages
These high priority messages alert you to a printer fault condition. (Alternate messages may
occur when downloading font, firmware, or Boot Loader files.)

To return operation after a fault occurs, the fault must be corrected and the FEED
Key pressed.
Fault Messages
Displayed Message Description Possible Solution(s)
ADC FAULT
The printer has detected
an analog to digital
circuit converter failure.
Cycle printer power OFF and
ON. If the fault does not clear,
call for service.
CLOSE HEAD LATCH
The Printhead is not
latched. Lock the Printhead Latch (see
Section 3.1).
DMA FAULT
The printer has detected
a Direct Memory Access
failure.
Cycle printer power OFF and
ON. If the fault does not clear,
call for service.
GAP MODE
CANNOT CALIBRATE
Consistently low sensor
readings have been
detected for the media.
Press any key to continue.
Ensure that media was removed
from the media sensor during
the appropriate calibration steps
(see Section 5.2); also, ensure
that ribbon has been correctly
loaded and that the sensor is
clean (see Section 5.5.4). Retry
the calibration. If the problem
persists, try Advanced Entry
Calibration (see Section 5.2.2).
GAP MODE
FAULTY SENSOR
Consistently high sensor
readings have been
detected for the media.
Press any key to continue.
Ensure that media was removed
from the media sensor during
the appropriate calibration steps
(see Section 5.2); also, ensure
that ribbon has been correctly
loaded and that the sensor is
clean (see Section 5.5.4). Retry
the calibration. If the problem
persists, call for service.