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Fotos und technische Daten  Brother  HL-5450DN

5 101 Routine Maintenance Replacing the drum unit Order No. DR-720 A new drum unit can print approximately 30,000 Letter or A4 size single-sided pages. Note • There are many factors that determine the actual drum life, such as the temperature, humidity, type of paper, type of toner used and so on. Under ideal conditions, the average drum life is estimated at approximately 30,000 pages. The actual number of pages that your drum will print may be significantly less than this estimate. Because we have no control over the many factors that determine the actual drum life, we cannot guarantee a minimum number of pages that will be printed by your drum. • For best performance, use only genuine Brother toner. The machine should be used only in a clean, dust-free environment with adequate ventilation. • Printing with a non-Brother drum unit may reduce not only the print quality but also the quality and life of the machine itself. Warranty coverage does not apply to problems caused by the use of a non-Brother drum unit. 5 Drum Error The corona wire has become dirty. Clean the corona wire in the drum unit. (See Cleaning the corona wire uu page 111.) If you cleaned the corona wire and Drum Error was not cleared then the drum unit is at the end of its life. Replace the drum unit with a new one. 102 Routine Maintenance Drum End Soon 5 The drum unit is nearing the end of its rated life and will require replacement. We recommend you keep a genuine Brother drum unit ready for installation. Clean the corona wire in the drum unit. If you don’t, printed pages may have a vertical stripe or Drum Error may occur. (See Cleaning the corona wire uu page 111.) Replace Drum The drum unit has exceeded its rated life. Please replace the drum unit with a new one. We recommend a genuine Brother drum unit be installed at this time. After replacement, reset the drum counter by following the instructions included with the new drum unit. 103 Routine Maintenance Drum Stop 5 We cannot guarantee the print quality. Please replace the drum unit with a new one. We recommend a genuine Brother drum unit be installed at this time. After replacement, reset the drum counter by following the instructions included with the new drum unit. Replacing the drum unit Important • While removing the drum unit, handle it carefully because it may contain toner. If toner scatters on your hands or clothes, immediately wipe or wash it off with cold water. • Every time you replace the drum unit, clean the inside of the machine. (See Cleaning and Checking the machine uu page 109.) When you replace the drum unit with a new one, you need to reset the drum counter by completing the following steps: a Make sure that the machine is turned on. Leave the machine for at least 10 minutes to cool down. b Press the front cover release button and then open the front cover. 104 Routine Maintenance c Take out the drum unit and toner cartridge assembly. 5WARNING After you have just used the machine, some internal parts of the machine will be extremely hot. Wait for the machine to cool down before you touch the internal parts of the machine. Important • We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a piece of disposable paper underneath it in case you accidentally spill or scatter toner. • To prevent damage to the machine from static electricity, DO NOT touch the electrodes shown in the illustration. 105 Routine Maintenance d Push down the green lock lever and take the toner cartridge out of the drum unit. 5WARNING • DO NOT put a toner cartridge or a toner cartridge and drum unit assembly into a fire. It could explode, resulting in injuries. • DO NOT use flammable substances, any type of spray, or an organic solvent/liquid containing alcohol or ammonia to clean the inside or outside of the machine. Doing so could cause a fire or electrical shock. Instead, use only a dry, lint-free cloth. (uu Product Safety Guide: To use the product safely) Important • 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. • We recommend that you place the toner cartridge on a clean, flat, level, stable surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner. 106 107 Routine Maintenance 5 Note • Be sure to seal up the used drum unit tightly in a suitable bag so that toner powder does not spill out of the drum unit. • Go to for instructions on how to return your used consumable items to the Brother collection program. If you choose not to return your used consumable, please discard the used consumable according to local regulations, keeping it separate from domestic waste. If you have questions, call your local waste disposal office. e Unpack the new drum un...

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