User Manual
68
ZQ630 User Guide
13. Blank LCD screen:
• Make sure printer is turned on.
• No application loaded or application corrupted: reload program.
14. No NFC Connectivity
• Ensure smartphone is positioned 3 inches (7.62 cm) or closer to
the Print Touch icon on the side of the printer.
Troubleshooting Tests
Printing a Conguration Label
To print out a listing of the printer’s current conguration follow
these steps:
1. Turn the printer o. Load the media compartment with journal
media (media with no black bars printed on the back).
2. Press and hold the Feed Button.
3. Press and release the Power button and keep the Feed button
pressed. When printing starts, release the Feed button.
Note • The conguration report can also be printed from the Info
(Help) menu on the LCD.
Refer to Figures 34, 34a, 34b for sample conguration printouts.
Communications Diagnostics
If there is a problem transferring data between the computer
and the printer, try putting the printer in the Communications
Diagnostics Mode (also referred to as the “DUMP” mode). The
printer will print the ASCII characters and their text representation
(or the period ‘.’, if not a printable character) for any data received
from the host computer.
To enter Communications Diagnostics Mode:
1. Print a conguration label as described above.
2. At the end of the diagnostics report, the printer will print: “Press
FEED key to enter DUMP mode”.
3. Press the FEED key. The printer will print: “Entering DUMP
mode”.