CognitiveTPG CRx - Manual (Page 64)

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Chapter 8: Troubleshooting
If the printer does not print this label but does print labels that were prepared on
another system, the system being used may not be compatible with the printer. The
most common cause of this is improper end-of-line termination.
“Comment Out” Portions of the Non-Working Label Format
Improper printer commands can be isolated by placing a “C” before selected CPL
command lines. Begin by commenting out the most complex lines first and try printing
the format again. If the problem persists, try commenting out every line between the
header line and the END statement and then add lines one at a time until the problem
recurs in order to see which lines are at fault.
Once the flawed portion of the format has been isolated, reference the Programmer’s
Guide to examine the code for errors or test the code by itself in a simplified format.
When examining label formats, look for instances where the letters “O” or “I” have been
incorrectly entered for the numbers 0 and 1. These are very common typographical
errors.
Common Issues
The following issues are based on technical support records of user questions.
Labels Skipping or Printer Feeding Blank Labels
Label skipping can frequently be corrected by performing a printer calibration. Refer to
the calibration section of Chapter 4.
If label skipping continues to occur, inspect the label or software application to verify
the page length being sent to the printer does not exceed the physical length of the
label.
READY Light is Red
Make sure that the printhead mechanism is firmly latched into position on both sides.
Make sure that the printer is in the proper print mode and the correct accessories are
installed. Thermal Transfer printers set to TT mode create errors when printing a label if
a ribbon is not installed.
If the printer feeds out multiple blank labels, it needs to be calibrated. Refer to the
calibration section of Chapter 4.
Make sure that the correct power supply for the printer is being used. The C Series
printers use a 90-264VAC output power supply. The output voltage is printed on the
power supply.