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User’s Guide 2-15
Replacing the Toner Cartridge
Getting to Know Your Printer
4. Grasp the front of the paper tray and extend it until the right and left lock tabs in the paper
tray move inwards and lock automatically.
5. Squeeze the length guide and slide it to the desired paper size.
6. Squeeze the right width guide and slide it to the desired paper size.
7. Load the paper with the side to be printed facing up and with all 4 corners aligned.
8. Close the lid of the paper tray.
9. Push the paper tray firmly into the printer.
Replacing the Toner Cartridge
The Toner Cartridge should be replaced when it reaches the end of its print life. The Toner
Cartridge prints up to 18K (DX-B350P)/ 21K (DX-B450P) images. The printer will produce a
warning on the Operator Panel to inform you when the remaining toner amount is low. You can
press START/STOP to continue printing with low toner.
When installing the Toner Cartridge, take note of the following:
• Do not subject it to direct sunlight or strong light.
• Do not touch the surface of the photosensitive drum.
• Do not stand or place the Toner Cartridge upside down. The drum might get damaged.