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78 EasyCoder PX4i User’s Guide (IPL version)
Chapter 9 — Troubleshooting
White vertical lines Printhead dirty Clean printhead Chapter 10
Missing printhead
dots
Replace printhead Chapter 10
Large part of dot line
missing
Failing printhead Replace printhead Chapter 11
Failing strobe signal Check CPU-board
Call Service
Printout missing
along inner edge
Bad media align-
ment
Adjust Chapter 4
Small core & supply
post in upper pos.
Move post to lower
pos.
Chapter 2
X-start parameter
value too low
Increase Chapter 6
Transfer ribbon
breaks
Ribbon not fi tted
correctly
Reload ribbon Chapter 5
Wrong media grade Change parameter,
then clean printhead
Chapter 6,
Chapter 10
Bad energy control Adjust
Call Service
Transfer ribbon
wrinkles
Faulty ribbon break
shaft adjustment
Adjust Chapter 11
Incorrect edge guide
adjustment
Adjust Chapter 4
Too strong
printhead pressure
Adjust Chapter 11
No thermal transfer
printout
Ink-coated side does
not face media
Reload ribbon Chapter 5
Media feed not
working properly
Changed media
characteristics
Press the Print
button
Chapter 4
Wrong label rest
dots parameter
Check/change Chapter 6
Wrong Media Type
parameter
Check/change Chapter 6
Wrong LSS position Check/change Chapter 11
Dirty sensors Clean Chapter 10
Faulty sensors Replace
Call Service
Compressed text or
bar code
Too high print
speed for large
media roll
Lower print speed Chapter 6