Roland TrueVIS VG2-640 - 4. Replacing Consumable Parts

Emergency Measure) Cleaning the Print Head Surface
When dot drop-out or dot deecon is not improved even if cleaning is performed several mes, 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 cauously.
This operaon is an emergency measure. It may damage defect-free parts depending on the symptoms, worsening
the symptoms. If you have any quesons, contact your authorized Roland DG Corporaon dealer.
Procedure
1. Apply a large amount of cleaning liquid to the cleaning sck.
2. Very gently touch the cleaning sck against the print head surface (nozzle surface).
Very soly press the cleaning sck against the print head so that cleaning liquid soaks into the print head
surface (nozzle surface). Never rub the sck on the surface or press it forcibly.
Handling Severe Dot Drop-out and Dot Displacement
254 3. Advanced Maintenance