A large number of nozzles of either head 1 or head 2 are clogged, the nozzles are still clogging after cleaning.

Suspected cause

  • The head FFC has lifted up and come into contact with the Tube Guide Plate, causing a short circuit.

  • CH83 DRV-H Board failure

  • CH83 Main-B Circuit Board failure

  • Broken Head FFC/CH83 Main-B Board - CH83 DRV-H Board FFC

  • Print Head failure

Parts/Components to be checked

  1. Head FFC Assy

  2. CH83 DRV-H Board

  3. CH83 Main-B Circuit Board

  4. Print Head

  5. CH83 Main-B Board - CH83 DRV-H Board FFC

Troubleshooting
StepConfirmation points and methodsPageYESNO
1

Perform head cleaning

Does the product recover from nozzle clogging?

CleaningEndGo to step 2
2

Check the Head FFC Assy connection state

  • Check the Head FFC Assy connection state (disconnection/skewed connection/inserted halfway, peeled terminal). If an abnormality is found, reconnect it.
  • If an abnormality is found with the Head FFC Assy and reconnecting does not work, replace the Head FFC Assy.

Does the product recover from the error?

Head FFC AssyEndGo to step 3
3

Replace the CH83 DRV-H Board

Does the product recover from the failure?

CH83 DRV-H BoardEndGo to step 4
4

Replace the CH83 Main-B Circuit Board

Does the product recover from the failure?

CH83 Main-B Circuit BoardEndGo to step 5
5

Replace the Print Head

Does the product recover from the failure?

Print HeadEndGo to step 6
6

Replace the CH83 Main-B Board - CH83 DRV-H Board FFC

Does the product recover from the failure?

CH83 Main-B Board - CH83 DRV-H Board FFCEndEscalate to person in charge