Brother International MP-21C Service Manual - Page 190

CHAPTER 4 MAINTENANCE CHAPTER 4 MAINTENANCE CLEANING THE PRINT HEAD Clean the print head if you get white lines in text or graphics on your printed document. You can clean the 4 color (black, cyan, yellow, magenta) print heads by control panel button operation. ✒ Note When the printer is performing print head cleaning, all the LEDs blink alternately. How to clean the print head Press the Clean button and the printer cleans the print head automatically. Wait until all the LEDs stop blinking. ! Caution Do not remove cables when the printer is cleaning its print head. ✒ Note You can also clean the print head from the printer driver. Select 'Maintenance' from the 'MP-21C series' group in Windows. REPLACING THE INK CARTRIDGES When the Ink LED(s) ( (BC) LED and/or (MY) LED) blink or come on, replace the indicated color ink cartridge with a new one. We strongly recommend you only use Brother original ink cartridges for the printer as these will provide the best print quality. Using other ink may void the warranty for this printer. Black & Cyan Magenta & Yellow LC03BC LC03MY ! Caution • Make sure that the (On/Off) LED is on when you replace the ink cartridges. • When the ink has run out, the Ink LED(s) ( (BC) LED and/or (MY) LED) turn on. When you find this, replace the ink cartridges immediately. • DO NOT replace the Ink Cartridges while the printer is working. • Use the ink cartridge up within 6 months of installation. 4-1