A-Class  103 
 
6 
Troubleshooting 
 
6.1  Problem Resolution    
When a problem is encountered, the information in this section will help resolve it. Locate 
the description of the problem to find an appropriate solution. For problems that are 
accompanied by a displayed message, see Section 6.1.2.   
 
;
 
Depending on your labeling program and the printer's menu settings, some 
commands and selections can be ignored. See HOST SETTINGS (Section 4.2.5) for 
more information and consult your software vendor for program information. If you 
have questions or if problems persist, contact a qualified technician or Datamax
 
Technical Support. 
 
 
 
6.1.1 General Resolutions 
 
The following table lists problems that may not be accompanied by a displayed message:   
 
If experiencing this 
problem… 
Try this solution… 
Blank display (but the 
backlight is ON): 
The display contrast may set too low (press and hold the MENU 
Key; see Section 4.1.1). 
Erratic feeding: 
 
Calibration may be needed (press and hold the FEED Key; see 
Section 3.4). 
 
Erratic printing: 
Check the following possibilities: 
 
•  Hex Dump Mode may be enabled (disable it; see Section 
6.2); or,   
 
•   If using serial communication, check the host and printer 
port settings (settings must match; see Section 4.2.5). 
Intellifont will not 
print: 
You may be using an incorrect type – Intellifont format is 
Little/Big Endian specific and the printer uses Big Endian (refer 
to your font supplier for information).