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Cleaning the printer nozzle on the DM300C-DM475

Learn how to clean the printer nozzle on the DM300C, DM400C, DM450C and DM475.
Products affected: DM300C™, DM400C™, DM450C™, DM475™
Follow these steps to clean the printer nozzle by purging the print head. These steps can resolve poor print quality:
  1. Press Menu.
  2. Press Page Down twice.
  3. Select Maintenance.
  4. Select Printer Maintenance.
  5. Select Clean Printer Nozzle.
  6. Select Purge C as the option to purge the system.
  7. When the purge is complete, the screen displays Cleaning Complete. Select Print Test Pattern?
  • If the print pattern looks clear (not blurry and without broken lines), the print test is good. Press Home to return to the main screen.
  • If the pattern has broken or missing lines or looks poor, select Another Purge.
Use the Contact Us options below if your test pattern still shows poor print quality and you need further assistance. Have your model and serial number ready. 

UPDATED: August 14, 2021