TSC Alpha-3R, Service Manual

Page: 23 / 26

20
Not Printing
* Cable is not well connected to
USB interface.
* The serial port cable pin
configuration is not pin to pin
connected.
* Re-connect cable to interface.
* If using serial cable,
- Please replace the cable with pin to pin
connected.
- Check the baud rate setting. The default
baud rate setting of printer is 9600,n,8,1.
* If using the Ethernet cable,
- 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.
* Chang a new cable.
* Clean the print head.
* The print density setting is incorrect.
* Print head
’s harness connector is not well
connected with printheat. Turn off the
printer and plug the connector again.
* Check your program if there is a command
PRINT at the end of the file and there must
have CRLF at the end of each command
line.
Gray line on the blank label
* The print head is dirty.
* The platen roller is dirty. * Clean the print head.
* Clean the platen roller.
Irregular printing
* The printer is in Hex Dump
mode.
* The RS-232 setting is
incorrect.
* Turn off and on the printer to skip the
dump mode.
* Re-set the Rs-232 setting.