Troubleshooting Issues

ZQ610 Plus/ZQ620 Plus/ZQ630 Plus User Guide

This section provides information for troubleshooting the printers.

Issue	Recommended Solution
No power	Check that the battery is installed properly. Recharge or replace the battery as necessary.
Media does not feed	Ensure that the media cover is closed and latched. Check the spindle holding media for any binding. Ensure the most recently printed label is removed (only in Peel mode). Ensure the label sensor is not blocked.
Poor or faded print	Clean the printhead. Check the quality of media.
Partial or missing print	Clean the printhead. Check the media quality.
Garbled print	Check the media alignment. Clean printhead. Ensure the media cover is properly closed and latched.
No print	Check the baud rate. Replace the battery. Check the cable to the host device. Establish RF Link and/or restore LAN associativity. Invalid label format or command structure. Place the printer in Communications Diagnostic (Hex Dump) Mode to diagnose the problem.
Reduced battery charge life	If the battery is over 1 year old, the short charge life may be due to normal aging. Check the battery's health. Replace the battery.
flashing	The blinking green Data icon is normal while data is being received.
or flashing	Check that the media is loaded and that the media cover is closed and securely latched.
Communication Error	Check the baud rate. Replace the cable to the host device.
Label jam	Open the head release latch and media cover. Remove and reinstall media.
Skip labels	Check media for top-of-form sense marks or label gaps. Check that the maximum print field has not been exceeded on the label. Ensure the bar or gap sensor is not blocked or malfunctioning.
Blank LCD screen	Make sure the printer is turned on. No application loaded or application corrupted: reload the program.
No NFC connection	Ensure smartphone is positioned 7.62 cm (3 inches) or closer to the Print Touch icon on the side of the printer.