Communication Problems - Intermec EasyCoder 3400e User Manual

C d
Print Quality Problems (continued)
Symptom
Print quality is poor.
(continued)
The printer skips labels
randomly or sends an
intermittent error.
Continuous empty/pause
fault light (yellow LED).

Communication Problems

Communication Problems
Symptom
Printer does not
communicate with the host.
EasyCoder 3400e Bar Code Label Printer User's Manual
39
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Possible Causes
Printhead, platen roller, or label path are
dirty.
Uneven print contrast (density). The
printhead pressure may be set incorrectly
for the media width.
Poor quality label or ribbon stock.
Ribbon wrinkling. The printhead
pressure may be set incorrectly for the
media width.
Ribbon installed upside down.
Direct thermal/thermal transfer switch set
in the wrong position.
Media may be slipping against the platen
roller causing the printing to compress.
The label format extends beyond the label
length.
The label mark sensor is not in the correct
position.
If your printer is not receiving downloaded data, try the solutions in the
accompanying table.
Possible Causes
Serial port is incorrectly configured.
Damaged or incorrect I/O cable.
Chapter 4 — Troubleshooting
Solution
Clean printhead, platen roller, and label path
as described in Chapter 3, "Maintaining the
Printer."
Adjust the bias adjust screw. See "Correcting
Uneven Print Quality" on page 48.
Use only Intermec label and ribbon stock to
ensure superior print quality and product
performance.
Check to make sure that you installed the
ribbon correctly. For help, see "Loading
Thermal Transfer Ribbon" on page 22.
Adjust the bias adjust screw. See "Correcting
Uneven Print Quality" on page 48.
Install ribbon with shiny side facing the
printhead. See "Loading Thermal Transfer
Ribbon" on page 22.
Set the switch for the type of media you are
using. For help, see "Loading Media Into the
Printer" on page 18.
Switch to approved media or clean the
printhead and platen roller as described in
Chapter 3, "Maintaining the Printer."
Edit the format to ensure that the text fits on
the label.
Properly position the label mark sensor. For
help, see "Adjusting the Label Mark Sensor"
on page 50.
Solution
Make sure the printer's serial port settings
match those of the host. To check the serial
port settings, print a software configuration
test label as described on page 25.
Check the connections at both ends or
replace the cable. See Appendix C for cable
information.
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