Troubleshooting The Printer - Intermec EasyCoder 4420 Getting Started Manual

Troubleshooting the Printer

If your labels are not printing properly, check the following table to locate the symptom and
correct the problem.
Symptom
Blotches on labels.
Printing is too light
or dark.
Printing is not
on the label.
Print quality is poor.
Possible Causes
Printhead is dirty.
Poor quality label or
ribbon stock.
Incorrect media
sensitivity setting.
Sensitivity command is
incorrectly set.
Incorrect darkness
adjust control setting.
Printer is misfeeding.
Incorrect media
sensitivity.
Printhead is dirty.
Uneven print contrast
(density).
You are using incorrect
label or ribbon stock to
print labels.
Ribbon wrinkling.
Direct thermal/
thermal transfer
switch set in the
wrong position.
Solution
Clean the printhead. For help, see "Cleaning
the Printhead" later in this guide.
Replace stock with Intermec label and/or
ribbon stock.
Change sensitivity setting to match the type of
media you are using. For help, see "Setting the
Media Sensitivity Number" later in this guide.
Change sensitivity setting to match the type of
media you are using. For help, see "Setting the
Media Sensitivity Number" later in this guide.
Adjust the control to achieve the best print
quality. For help, see "Adjusting the Print
Darkness" later in this guide.
Make sure the media is installed properly
along the entire media path. For help, see
"Loading a Roll of Media" earlier in this
guide.
Change the sensitivity setting to match the
type of media you are using. For help, see
"Setting the Media Sensitivity Number" later
in this guide.
Clean the printhead. For help, see "Cleaning
the Printhead" later in this guide.
Adjust the bias adjust screw. For help, see
"Correcting Uneven Print Quality" later in
this guide.
Use only Intermec label and ribbon stock to
ensure superior print quality and product
performance. See "Setting the Media
Sensitivity Number" later in this guide to
set the correct media sensitivity numbers.
Check to make sure that you installed the
ribbon correctly. For help, see "Loading
Thermal Transfer Ribbon" earlier in this guide.
Adjust the bias adjust screw. For help, see
"Correcting Uneven Print Quality" later in
this guide.
Set the DIP switch for the type of media you
are using. For help, see "Configuring the
Serial Port for Communications" earlier in this
guide.
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