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.
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UPDATED: July 20, 2023