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Troubleshooting
Print Quality Problems
8/4/10 GX420d™ / GX430d™ User Guide 980611-001 Rev. C
A EPL label format was sent to, but not recognized by, the printer.
• Is the printer in pause mode? If so, press the Feed button.
• If the printer has label dispensing enabled, the printer may be waiting for the label to be
removed. The liner/web must be properly threaded through the label dispenser mechanism
(peeler) to correctly operate in label dispense mode, refer to Label Dispenser Option
on page 46.
• If the status LED is on or flashing, refer to What the Status Light is Telling You on page 86.
• Make sure the data cable is correctly installed.
• A communications problem has occurred. First, make sure that the correct
communications port (USB) on the computer is selected. Refer to Connecting your
Printer to a Computer on page 22 in the Getting Started section.