Printhead Troubleshooting - Printing Innovation iCUBE 1 User Manual

6.2. Printhead Troubleshooting

Occasionally, print quality is affected by minor problems that arise with the printhead. The
following table provides a list of common printhead issues, their symptoms, and solutions:
Problem
Air and air bubbles causing
bloacked nozzles
Debris on printhead
Ink mixing
Electrical failure or poor
electrical connection
6.3. Print quality problems
Print quality problems are detailed in the Troubleshooting Guide. Please contact Customer
Support for further details.
Problem Causes
Appear as missing groups of
adjacent drops but the
shape is often rounded or
irregular
Shows up as regularly
missing
or misdirected nozzles, or as
ink color mixing
Appears as mixed or muddy
colors. Can be caused by ink
flooding, air in the
printhead, or a
dirty printhead
Results in no print or crisp
blocks of missing drops
usually conforming to the
printhead die boundaries
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Solution
Cured by recirculation,
priming or cycles of
depriming and repriming.
Often the bubbles will go
away with time
Cured by automatic
servicing or manual wiping
Cured by automated serving
or manual wiping
Cured by reseating the
printhead or replacing the
printhead