Roland IU-1000F, Operating Instructions Manual

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5. Troubleshooting
88
2. Clean the nozzle faces.
• If the machine is not used for 1 week or more or the nozzle faces are dirty, clean the nozzle
faces.
See "Cleaning the Nozzle Faces of the Print Heads", Requests for Daily Care and Maintenance.
• After cleaning, print nozzle check pattern.
For details, see page 46 "Test Printing".
If there is any problem with the printing result, proceed to the following procedure:
3. Perform head cleaning.
• Perform head cleaning using Print Control.
For details, see page 51 "Cleaning Print Head Nozzles".
• After cleaning, print nozzle check pattern.
For details, see page 46 "Test Printing".
If there is any problem with the printing result, proceed to the following procedure:
4. Remove air bubbles.
• Unnecessary ink and air mixed inside the print heads are discharged.
For details, see page 88 "If Ink Mixes or Missing Nozzles Occur Due to Aeration".
• After removing air bubbles, print nozzle check pattern.
For details, see page 46 "Test Printing".
If you cannot resolve the nozzle defects after performing the procedures 1 to 4 above, print nozzle
check pattern after 8 hours or more have elapsed. If you still cannot resolve the defect, you need to
replace the print heads. Contact your authorized Roland DG Corporation representative.
If Ink Mixes or Missing Nozzles Occur Due to Aeration
If the problem corresponds to either of the following, remove air bubbles by using Print Control. By
removing air bubbles, unnecessary ink and air mixed inside the print heads are discharged from the port for
discharging air bubbles located in the carriage.
• If nozzle clogging is not resolved after cleaning the machine and the print heads.
• If ink colors mix inside the print heads or missing nozzles occur due to aeration.
• If nozzle clogging is not resolved after turning on and cleaning the machine that has not been used for
a long period of time.
The included dedicated tool is required to remove air bubbles.