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Emergency Measure) Cleaning the Print Head Surface
When dot drop-out or dot deflection is not improved even if cleaning is performed several times, you can
clean the surface of the print heads as an emergency measure. The print head surface (nozzle surface) is a
very delicate mechanism, so work must be performed carefully and cautiously.
This operation is an emergency measure. It may damage defect-free parts depending on the symptoms,
worsening the symptoms. If you have any questions, contact your authorized Roland DG Corporation deal-
er.
Procedure
1.
Apply a large amount of cleaning liquid to the cleaning stick.
2.
Very gently touch the cleaning stick against the print head surface (nozzle surface).
Very softly press the cleaning stick against the print head so that cleaning liquid soaks into the
print head surface (nozzle surface). Never rub the stick on the surface or press it forcibly.
Handling Severe Dot Drop-out and Dot Displacement
Advanced Maintenance
255
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