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### Replace Supplies

You must replace supplies when the machine indicates that the life of the supply is over.

You can replace the following supplies yourself.

Using non-Lenovo supplies may affect the print quality, hardware performance, and machine reliability.

The toner cartridge and drum unit are two separate supplies. Make sure both are installed as an assembly.

This table lists the indications provide advanced warnings to replace supplies before they reach their end of life. To avoid any inconvenience, you may want to buy spare supplies to keep as replacements before the machine stops printing.

Indication | Supply to get ready | Model name | Approximate life
--- | --- | --- | ---
Toner Low | Toner cartridge | LT2451 *1 LT2451H *2 | 1,500 pages *1 *3 *4 2,600 pages *2 *3 *4
Replace Toner
Toner Ended
Drum ! | Drum unit | LD2451 | 12,000 pages *3 *5
Drum End Soon
Replace Drum

*1
Standard toner cartridge
*2
High yield toner cartridge
*3
A4 or Letter size single-sided pages.
*4
Approximate cartridge yield is declared in accordance with ISO/IEC 19752.
*5
Drum life is approximate and may vary by type of use.

NOTE
  - Be sure to seal up the used supplies tightly in a bag so that toner powder does not spill out of the cartridge.
  - Discard used consumable items according to local regulations, keeping it separate from domestic waste. If you have questions, call your local waste disposal office. Be sure to reseal the consumable items tightly so that the material inside does not spill.
  - We recommend placing used supplies on a piece of paper to prevent accidentally spilling or scattering the material inside.
  - If you use paper that is not a direct equivalent for the recommended print media, the life of supplies and machine parts may be reduced.
  - The projected life for each of the toner cartridges is based on ISO/IEC 19752. Frequency of replacement will vary depending on the print volume, percentage of coverage, types of media used, and powering on/off the machine.
  - Frequency of replacement supplies except toner cartridges will vary depending on the print volume, types of media used, and powering on/off the machine.
  - Handle the toner cartridge carefully. If toner scatters on your hands or clothes, immediately wipe or wash it off with cold water.
  - To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.

    <Toner cartridge>

    <Drum unit>

Related Information
  - Routine Maintenance
  - Learn About The Toner Cartridge
  - Replace the Toner Cartridge
  - Learn About The Drum Unit
  - Replace the Drum Unit
  - Error and Maintenance Messages
  - Error and Maintenance Indications

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