DA210/ DA310/ DA220/ DA320
Bar Code Printer Service Manual
37
4.2 Print Quality
Problem
Possible Cause
Recovery Procedure
Not Printing
Check if interface cable is well
connected to the interface connector.
Re-connect cable to interface or change a
new cable.
The serial port cable pin configuration
is not pin to pin connected.
Please replace the cable with pin to pin
connected.
The serial port setting is not
consistent between host and printer.
Please reset the serial port setting.
Check the baud rate setting. The default
baud rate setting of printer is 9600,n,8,1.
The port specified in the Windows
driver is not correct.
Select the correct printer port in the driver.
The Ethernet IP, subnet mask,
gateway is not configured properly.
- Check if the Ethernet RJ-45 connector
green LED is lit on.
- Check if the Ethernet RJ-45 connector
amber LED is blinking.
- Check if the printer gets the IP address
when using DHCP mode.
- Check if the IP address is correct when
using the static IP address.
- Wait a few seconds let the printer get the
communication with the server then
check the IP address setting again.
Continuous feeding
labels
The printer setting may go wrong.
Please do the initialization and gap/black
mark calibration.
- The printer status from
DiagTool shows
“
Paper
Jam
”.
- The LCD shows
“
Paper
Jam
”.
Gap/black mark sensor sensitivity is
not set properly (sensor sensitivity is
not enough)
Calibrate the gap/black mark sensor.
Make sure label size is set properly.
Set label size exactly as installed paper in
the labeling software or program.
Labels may be stuck inside the printer
mechanism near the sensor area.
Remove the stuck label.
Poor Print Quality
* Media is loaded incorrectly
* Dust or adhesive accumulation on
the print head.
* Print density is not set properly.
* Printhead element is damaged.
* The printhead pressure is not
properly.
* Reload the supply.
* Clean the print head.
* Clean the platen roller.
* 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.
* The print head mechanism does not latch
the print head properly.
Power indicator does
not illuminate
The power cord is not properly
connected.
Plug the power cord in printer and outlet.
Switch the printer on.
