When the black or color ink out light is flashing or on, you cannot clean the print head. Replace the appropriate ink cartridge first. Do not start clean or check the print head nozzles while printing is in progress; otherwise your printout may be marred.hen the black or color ink out light is flashing or on, you cannot clean the print head. Replace the appropriate ink cartridge first. Do not start clean or check the print head nozzles while printing is in progress; otherwise your printout may be marred.