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4.2 Troubleshooting Guide
The following guide lists some of the most common problems that may be
encountered when operating the bar code printer. If the printer still does not
function after all suggested solutions have been invoked, please contact the
Customer Service Department of your purchased reseller or distributor for
assistance
Problem Solution
Ribbon does not advance or rewind
1. The media and ribbon must be
installed then engage the print head
mechanism prior to turning on
printer power.
2. Install the black ribbon spindle at the
correct direction.
Poor print quality
1. Clean the thermal print head.
2. Adjust the print density setting.
3. Ribbon and media are not
compatible.
4. Media thickness is over spec.
Power indicator on printer does not
illuminate
1. Check the power cord, see whether
it is properly connected.
2. Check if the LED on the power
supply is illuminated. If it is not lit
on, then the power supply is
damaged.
ON-LINE
indicator is off,
ERR.
indicator is on
1. Out of paper or out of ribbon
2. Calibrate the sensitivity of gap
sensor.
3. Ribbon rewind spindle paper core
is not installed.
Continuous feeding when printing
labels
Calibrate the gap sensor.
