Miscellaneous other problems
•The data has been sent, but there is no output from the printer.
-Check the active printer driver, it should be Label Dr. 200 for your Windows system and the label printer.
-Check the emulation and the print (command) file.
•Vertical streaks in the printout usually indicate a dirty or faulty print head.
-Clean the print head first, if they still persist, replace the print head.
•Unstable ribbon roll rotation.
-Check the label path and make sure the head latch is securely closed.
•Poor printout quality.
-The ribbon may be not qualified.
-The media may be not qualified.
-Adjust the Darkness (heat temperature).
-Slow down the print speed.
Recovery
In order to continue your print jobs after any abnormal conditions have been fixed, simply press the CANCEL button to restart the printer. Make sure that the LED indicators are illuminated and not blinking and remember to
B. MAINTENANCE
Before maintenance be sure to turn off the printer power.
1.Cleaning the thermal print head
Turn off the printer, open the cover, print head module and remove the ribbon. Rub the print head with a cotton swab that has been moistened with isopropyl alcohol. Check for any traces of black color or adhesive on the cotton after cleaning. Repeat if necessary until the cotton swab is clean after it is passed over the head. Many commercially available print head cleaning kits are also available.
Note: The print head should be cleaned at least every time the ribbon is replaced and more often depending on actual usage and conditions.
Troubleshooting and Maintenance 23