158Head cleaning does not work. Has an error occurred in the product?If an error has occurred, clear the error.Is there enough ink?Head cleaning cannot be performed unless there is enough ink.Replace with a new ink cartridge.See “Changing the ink cartridge” on page 126 in this guide for the inkcartridge changing procedure.The printing speed sloweddown during continuousprinting.When printing is performed for an extended period of time, disctransfer and printing may be stopped temporarily. This is for slowing theprinting speed to prevent overheating and damage to the product.Although printing can be continued when this occurs, it isrecommended that you stop product operation and leave it with thepower on for about 30 minutes. (The product will recover after about 3hours with the power off.)Cannot publish discs. See “When discs cannot be published” on page 161 in this guide.Symptom/Problem Status Check/Remedy Procedure