Brother International HL 5030 Service Manual - Page 165

(3) While pressing the blue lock lever, take the toner cartridge out of the drum unit assembly. (Fig.5-4) HL-5030/5040/5050/5070N SERVICE MANUAL (4) Unpack the new drum unit. (5) Put the toner cartridge in the new drum unit until you hear it lock into place with a click. When the toner cartridge is installed correctly, the blue lock lever is lifted automatically. (Fig.5-5) Make sure you fit the toner cartridge properly, or it may separate from the drum unit when you pick up the drum unit assembly. Fig. 5-4 Fig. 5-5 (6) Put the drum unit assembly in the printer. Make sure that the printer is turned on, the front cover is open and the Status LED is red. (7) Reset the drum counter referring to the instructions supplied with the new drum unit. (8) Close the front cover. (9) Make sure that the Drum LED is now off. ! CAUTION: • Only unpack a drum unit immediately before you need to install it into the printer. If an unpacked drum unit is subjected to excessive direct sunlight or room light, the unit may be damaged. • Handle the drum unit and toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water immediately. • Discard the used drum unit according to local regulations, keeping it separate from domestic waste. If you have questions, call your local waste disposal office. • Be sure to seal up the drum unit tightly so that toner powder does not spill out of the unit. • Do not reset the drum counter when replacing the toner cartridge only. • The Drum LED indication does not disappear until you reset the drum counter. • It is recommended to clean the printer when you replace the drum unit. Refer to subsection 3. 'PERIODICAL CLEANING' in this Chapter. 1.2 Toner Cartridge Life expectancy: 6,500 pages / high-yield toner cartridge 3,300 pages / standard cartridge (When printing A4 or Letter size paper at 5% print coverage) 5-3