Print Quality - Wasp WPL304 User Manual

WPL 304 User Manual

5.2 Print Quality

Problem
Not Printing
No print on the label
Continuous feeding
labels
Paper Jam
Poor Print Quality
Possible Cause
Check if interface cable is well
connected to the interface connector.
The serial port cable pin configuration is
not pin to pin connected.
The serial port setting is not consistent
between host and printer.
The port specified in the Windows driver
is not correct.
The Ethernet IP, subnet mask, gateway
is not configured properly.
Label or ribbon loaded not correctly.
Ribbon run out.
The printer setting may go wrong.
Gap/black mark sensor sensitivity is not
set properly (sensor sensitivity is not
enough)
Make sure label size is set properly.
Labels may be stuck inside the printer
mechanism near the sensor area.
Top cover is not closed properly.
Check if supply is loaded correctly.
Ribbon and media are incompatible.
Check if dust or adhesives are
accumulated on the print head.
Check if print density is set properly.
Check print head test pattern if head
element is damaged.
35
Recovery Procedure
Re-connect cable to interface.
Please replace the cable with pin to pin
connected.
Please reset the serial port setting.
Select the correct printer port in the
driver.
Configure the IP, subnet mask and
gateway.
Follow the instructions in loading the
media or loading the ribbon.
Loading the ribbon.
Please do the initialization and
gap/black mark calibration.
Calibrate the gap/black mark sensor.
Set label size exactly as installed paper
in the labeling software or program.
Remove the stuck label.
Close the top cover completely and
make sure the right side and left side
levers are latched properly
Reload the supply.
Change the ribbon or label
combination.
Clean the print head.
Adjust the print density and print
speed.
Run printer self-test and check the print
head test pattern if there is dot missing
in the pattern.