402 Maintenance
Installing a Toner Cartridge
1 Unpack a new toner cartridge and shake it five times to distribute the toner evenly.
NOTE:
• Handle the toner cartridge carefully to avoid spilling of the toner.
2 Insert the toner cartridge into the cartridge holder, and then turn it clockwise to align to the lock
mark.
IMPORTANT:
• Be sure to secure the toner cartridge firmly before printing. Otherwise, it may cause some defects.
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