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EasyCoder PX4i User’s Guide (IPL version) 77
Chapter 9 — Troubleshooting
Symptom Possible Cause Remedy Refer to
Overall weak print-
out
Wrong media grade Change parameter Chapter 6,
Appendix D
Contrast value too
low
Change parameter Chapter 6
Printhead pressure
too low
Adjust Chapter 11
Worn printhead Replace printhead Chapter 10
Wrong printhead
voltage
Replace CPU board
Call Service
Printout weaker on
one side
Uneven printhead
pressure
Adjust arm align-
ment
Chapter 11
Weak spots Foreign particles on
media
Clean or replace Chapters 4 & 5
Media/ribbon don’t
match
Change to matching
media
Chapter 6
Poor media or
ribbon quality
Select a better brand
of media/ribbon
Appendix D
Worn printhead Replace printhead Chapter 10
Worn platen roller Check/replace
Call Service
Overall dark print-
out
Wrong media grade Change parameter Chapter 6,
Appendix D
Contrast value too
high
Change parameter Chapter 6
Printhead pressure
too high
Adjust Chapter 11
Wrong printhead
voltage
Replace CPU board
Call Service
Excessive bleeding Wrong media grade Change parameter Chapter 6,
Appendix D
Contrast value too
high
Change parameter Chapter 6
Printhead pressure
too high
Adjust Chapter 11
Faulty energy
control
Replace CPU board
Call Service
Dark lines along
media path
Foreign objects on
printhead
Clean printhead Chapter 10