Intermec EasyCoder 4420 User Manual page 64

EasyCoder 4420/4440 Bar Code Label Printer User's Manual
Print Quality Problems (continued)
Symptom Possible Causes
Labels are not Incorrect label rest point setting.
stopping at the right
point for removal.
Print quality is poor. Incorrect media sensitivity setting.
Incorrect darkness control setting.
Print speed exceeds the capability of
the media.
Printhead, platen roller, or label path
are dirty.
Uneven print contrast (density).
Poor quality label or ribbon stock.
Ribbon wrinkling.
Ribbon installed upside down.
You are using the wrong core-
locking bracket on the ribbon hub.
Direct thermal/thermal transfer
switch set in the wrong position.
You have exceeded the maximum
recommended print speed.
Media may be slipping against the
platen roller causing the printing to
compress.
4-6
Solution
Adjust the label rest point. For help, see the PrintSet
online help or the IPL Programming Reference
Manual.
Change sensitivity setting to match the type of media
you are using. If you set the sensitivity setting
correctly, try changing the print darkness. For help, see
the PrintSet online help or the IPL Programming
Reference Manual.
Adjust the darkness adjust control. For help, see
"Adjusting the Print Darkness" in Chapter 5.
Lower the print speed or use Intermec media
recommended for the print speed.
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" in Chapter 5.
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" in Chapter 1. Adjust the bias adjust screw. See
"Correcting Uneven Print Quality" in Chapter 5.
Make sure you installed the ribbon correctly. For help,
see "Loading Thermal Transfer Ribbon" in Chapter 1.
Use the plastic core-locking brackets for plastic core
ribbons and the cardboard core-locking brackets for
cardboard core ribbons. For help, see "Loading
Thermal Transfer Ribbon" in Chapter 1.
Set the switch for the type of media you are using. For
help, see "Loading Media Into the Printer" in Chapter
1.
Reduce the print speed.
Switch to approved media or clean the printhead and
platen roller as described in Chapter 3, "Maintaining
the Printer."