Casio CW-L300 User Guide - Page 61

Troubleshooting Consult the troubleshooting tables below whenever you start to have problems with the printer or application. If you can't find the solution to your problem below, contact your original retailer or your nearest authorized CASIO service center. Symptom Nothing appears on the display when I press . The printing operation is finished normally, but nothing is printed. Possible Cause The display contrast setting needs adjustment. The AC adaptor is not connected properly. Battery power is low or the wrong type of batteries are loaded in the printer. Batteries are not loaded properly. Only spaces are input for the label. The file imported from a computer does not contain any data. Recommended Action Adjust the display contrast setting. (page 55) Make sure the AC adaptor is properly connected. (Startup Guide, page 7) Change to AC adaptor power or replace the current batteries with a fresh set of AA-size alkaline batteries (supplied by you). (page 57) Reload the batteries properly. (page 57) Input the text you want to print. Re-import the data. Symptom Printing is not clear. Printing is poor quality. Printing is too light. Cannot print. I can't input text. I can't get a connection between the printer and a computer. Possible Cause The print head or roller is dirty. Battery power is low. Improper print density Battery power is low or the wrong type of batteries are loaded in the printer. The FUNCTION key has been pressed. The COMPUTER LINK button has not been pressed. The bundled USB cabled is not connected properly. The printer is turned off. The USB driver is not installed correctly. Though the USB driver is installed correctly, data communication is not possible for some reason. Recommended Action Clean the print head and roller. (page 58) Change to AC adaptor power or load a fresh set of batteries (supplied by you). (page 57) Adjust the print density. (page 55) Change to AC adaptor power or load a fresh set of AA-size alkaline batteries (supplied by you). (page 57) Press ESC to cancel the FUNCTION key operation. Press the COMPUTER LINK button to establish a connection. Re-connect the cable properly. Press to turn on the printer. Unplug the USB cable and the plug it back in again. Try using a different USB port on your computer, or try using a different USB cable. 59 E