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Brother DR‑2255 Drum Unit, including specs, pricing, compatible products, and some user insights to help you pick the right option:

Overview: What is the Brother DR‑2255 Drum Unit?

• Function: It’s the separate OPC drum unit that transfers toner onto paper. Replacing only the drum (not the entire cartridge) helps reduce waste and save cost.
  
  

• Page Yield: Approximately 12,000 pages at 5% coverage.
  
  

• Compatible Printers:

  • HL series: HL‑2130, HL‑2240D, HL‑2250DN, HL‑2270DW

  • DCP series: DCP‑7055, DCP‑7060D, DCP‑7065DN

  • MFC series: MFC‑7290, MFC‑7360, MFC‑7470D, MFC‑7860DN, MFC‑7860DW

  • Fax: FAX‑2840, FAX‑2950

Brother DR-2365 Drum Unit Overview 🔧 What It Is:

• Function: The drum unit is a critical component in laser printers, transferring toner onto paper to create printed images and text.

• Color: Black

• Page Yield: Approximately 12,000 pages at 5% page coverage.

• Note: This unit does not contain toner; it works in conjunction with a separate toner cartridge.

Compatibility & Details

The Kyocera 2040 Drum Unit (also referred to as imaging unit or DK‑115) is compatible with a wide range of Kyocera Ecosys printers, including:

• Kyocera Models: M2040dn, P2040dn/dw, P2235dn/dw, M2135dn, M2540dw, M2635dn/dw, M2640idw, M2735dw, and 2XXX series like 2135DN, 2365DW, 92235DN.

Brother offers a wide range of toner cartridges for their laser printers, designed for both home and office use. These toner cartridges come in standard and high-yield versions, offering different printing capacities depending on your needs. Here's an overview of the key Brother toner cartridge options:

Key Features of Brother Toner Cartridges:

1. Page Yield:

   • Standard-yield cartridges usually provide around 1,200 - 2,500 pages at 5% page coverage, depending on the specific model.

   • High-yield cartridges can deliver 2,600 - 6,000 pages, offering more cost-effective printing for high-volume users.

2. Compatibility:

   • Brother toner cartridges are specifically designed for their laser printers and all-in-one printers, ensuring optimal performance and print quality.

   • Make sure to check the model number of your printer to ensure compatibility with the correct cartridge series.

3. Print Quality:

   • Brother toners are known for producing sharp, clear text and vibrant black prints. They are reliable for printing professional-quality documents, whether for home, office, or business use.

4. Genuine vs. Compatible:

   • Genuine Brother toner cartridges tend to offer the best results in terms of print quality and reliability.

   • Compatible third-party toners can be a cheaper alternative, but may sometimes compromise print quality, yield, or cause issues with printer performance.

Brother DR-3000 Drum Unit, including its specifications, compatible printers, and options for both original and compatible units.

🖨️ Brother DR-3000 Drum Unit Overview 🔧 What It Is:

• Function: The drum unit is a critical component in laser printers, transferring toner onto paper to create printed images and text.

• Color: Black

• Page Yield: Approximately 20,000 pages at 5% page coverage.

• Note: This unit does not contain toner; it works in conjunction with a separate toner cartridge.

Brother DR-2025 Drum Unit, including its specifications, compatible printers, and options for both original and compatible units.

🖨️ Brother DR-2025 Drum Unit Overview

• Function: The drum unit is a crucial component in laser printers, responsible for transferring toner onto paper to create printed images and text.

• Color: Black

• Page Yield: Approximately 12,000 pages at 5% page coverage.

• Note: This unit does not contain toner; it works in conjunction with a separate toner cartridge.

🖨️ Compatible Brother Printers

The DR-2025 is compatible with the following Brother printer models:

• HL Series:

  • HL-2030

  • HL-2040

  • HL-2070N

Top Product Picks

• Brother DR‑3455 Original Drum Unit (Aajjo)
  A reliable OEM unit with trusted quality. Great for consistent operation and long-term use.

• UV Infotech Compatible DR‑3455 Drum Unit (Amazon)
  A budget-friendly, third-party alternative—usually suited for light-duty or occasional use.

• Finejet DR 820/3455 Compatible Drum Unit (Flipkart)
  One of the cheapest options available. A cost-effective solution if you're okay with potential variability in build quality.

Key Details from Web Sources Compatibility & Yield

Compatible Printers:

• Brother HL Series: HL‑L5000D, HL‑L5100DN/DNT, HL‑L5200DW/DWT, HL‑5580D/85D, HL‑5590DN/95DN, HL‑L6200DW/DWT, HL‑L6250DW/DN, HL‑L6300DW/DWT, HL‑L6400DW/DWT

• DCP Series: DCP‑5500DN, DCP‑L5600DN, DCP‑L5650DN, DCP‑L6600DW

• MFC Series: MFC‑L5700DW, MFC‑L5900DW

PDF Manual: Drum Unit Replacement (Includes Seal Guidance)

Canon provides an official guide titled "imageRUNNER ADVANCE 500i / 400i Drum Unit Replacing Guide". It includes step-by-step instructions for handling the drum unit, which likely covers seal positioning and related cautions.

• Filename: iRADV_500_400_DURG_multi_1.pdf (~7.3 MB)
  
  

Video Tutorial: Drum Unit, Waste Toner, and Toner Replacement

I didn’t find a video specifically on the “drum unit seal,” but there is a useful tutorial titled: “How to replace the Drum Unit, Waste Toner Cartridge and Toner Cartridge for Canon imageRUNNER 1730, 400IF…”
This video covers related maintenance steps and may include seal details or at least provide context on handling the drum unit safely.