Chapter 8 — Troubleshooting
EasyCoder PF4i User’s Guide (IPL Version) 77
Overall Dark Printout
Possible Cause Remedy Reference
Wrong media grade Change parameter Chapter 5,
Appendix D
Contrast value too high Change parameter Chapter 5
Printhead pressure too high Adjust Chapter 10
Wrong printhead voltage Replace CPU board Call Service
Excessive Bleeding
Possible Cause Remedy Reference
Wrong media grade Change parameter Chapter 5,
Appendix D
Contrast value too high Change parameter Chapter 5
Printhead pressure too high Adjust pressure Chapter 10
Faulty energy control Replace CPU board Call Service
Dark Lines Along Media Path
Possible Cause Remedy Reference
Foreign objects on printhead Clean printhead Chapter 9
White Vertical Lines
Possible Cause Remedy Reference
Printhead dirty Clean printhead Chapter 9
Missing printhead Replace printhead Chapter 9
Large Part Of Dot Line Missing
Possible Cause Remedy Reference
Failing printhead Replace printhead Chapter 10
Failing strobe signal Check CPU board Call Service