Chapter 10 — Troubleshooting
112 EasyCoder PX4i Bar Code Label Printer User’s Guide (Fingerprint Version)
Overall Dark Printout
Possible Cause Remedy Reference
Wrong media grade Change parameter “Setup Parameters” on
page 62
Contrast value too
high
Change parameter “Setup Parameters” on
page 62
Printhead pressure
too high
Adjust “Printhead Pressure” on
page 131
Wrong printhead
voltage
Replace CPU board Call Service
Excessive Bleeding
Possible Cause Remedy Reference
Wrong media grade Change parameter “Setup Parameters” on
page 62
Contrast value too
high
Change parameter “Setup Parameters” on
page 62
Printhead pressure too
high
Adjust pressure “Printhead Pressure” on
page 131
Faulty energy control Replace CPU board Call Service
Dark Lines Along Media Path
Possible Cause Remedy Reference
Foreign objects on
printhead
Clean printhead “Printhead
Cleaning” on
page 116
White Vertical Lines
Possible Cause Remedy Reference
Printhead dirty Clean printhead “Printhead Cleaning”
on page 116
Missing printhead Replace printhead “Replacing the
Printhead” on page 123