Brother HL-L6400DW
Brother · Model HL-L6400DW
Fast, high-quality printing for higher print volumes - Featuring a business durable design with an impressive print speed of up to 52 pages per minute, this high-performance printer is ideal for mid to large sized workgroups. Plus, it offers up to 1200 x 1200 dpi resolution for crisp, clear text and excellent graphics. Scalable paper handling - Easily handle your large print jobs via an adjustable 520-sheet capacity paper tray and 50-sheet capacity multi-purpose tray. For additional capacity, optional paper trays are available in 250-sheet or 520-sheet capacities – up to 1,610 sheets total capacity. Alternatively, a tower tray with stabilizer option includes four 520-sheet trays for a total input capacity of 2,650 sheets. Large, expandable output capacity - 250-sheet capacity output, plus an add-on mailbox/sorter/stacker option is useful for workgroups that want to assign bins to various users, sort output into separate bins, or require additional output capacity – up to 1,050 total sheets. Flexible network connectivity- Built-in wireless 802.11b/g/n and Gigabit Ethernet network interfaces allow you to share the HL-L6400DW with multiple users on your network. Advanced security features - Includes an integrated NFC card reader and Active Directory® support for network user authentication to help protect against unauthorized access to the device. Other security features include: Secure Function Lock, Enterprise Security (802.1x), IPSec, Secure Print, SSL/TLS and more. Convenient mobile device printing - Print from your mobile device via‡: AirPrint®, Google Cloud Print™ 2.0, Mopria®, Brother iPrint&Scan, Cortado Workplace, Wi-Fi Direct®, and NFC. Automatic two-sided printing - Use the duplex feature to produce professional brochures, documents and booklets. This feature can help save money and cut your paper usage by up to 50%. Adjustable, 1.8" color Touchscreen display- Offers intuitive menu navigation and printing from popular business cloud services‡ including: DROPBOX, GOOGLE DRIVE™, ONEDRIVE®, and more.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
Paper jams
MediumSymptoms: Repeated jams, "Jam Tray" / "Jam Inside" / "Jam Rear", wrinkled or multi-fed sheets.
Root cause: Worn pickup / separation rollers, a foreign object in the path, or damp / wrong-weight media.
Print-quality defects
MediumSymptoms: Faint print, vertical streaks, repeating spots, toner smears or ghosting.
Root cause: Low or empty toner, a worn drum unit, or a dirty corona wire.
Wireless / network connectivity drops
MediumSymptoms: Printer goes offline, will not be found, prints only over USB.
Root cause: Wi-Fi signal or credential change, an IP change, or the network interface.
Fuser error / permanent paper marking
MediumSymptoms: Machine error requiring a power-cycle, poor toner fusing (rubs off), paper curl.
Root cause: Fuser unit at end of life.
Toner / drum replacement or count errors
LowSymptoms: "Replace Toner" / "Replace Drum" or the machine stops even with life remaining.
Root cause: Consumable at end of count, a non-genuine cartridge, or a dirty new-toner sensor / drum-reset needed.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Toner cartridge
Class Frequent wear itemRel. cost $R&R Easy
Drum unit
Class Periodic replacementRel. cost $$R&R Fairly easy
Pickup / separation roller kit
Class Periodic replacementRel. cost $R&R Fairly easy
Fuser unit
Class Periodic replacementRel. cost $$$R&R Moderate
Transfer roller
Class Periodic replacementRel. cost $$R&R Fairly easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Toner cartridge | Frequent wear item | $ | Easy |
| Drum unit | Periodic replacement | $$ | Fairly easy |
| Pickup / separation roller kit | Periodic replacement | $ | Fairly easy |
| Fuser unit | Periodic replacement | $$$ | Moderate |
| Transfer roller | Periodic replacement | $$ | Fairly easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Repeated paper jams
- Remove all trapped paper following the jam-location message; check for torn scraps.
- Fan a fresh ream of the correct weight and reload, adjusting the tray guides.
- Inspect and clean or replace the pickup and separation rollers.
- Clean the paper-dust sensors in the path.
- Run several test pages to confirm.
Symptom: Poor print quality
- Print the test / drum-check page to locate the defect.
- Replace a low or empty toner cartridge.
- Clean the corona wire (slide the green tab) and reseat the drum unit.
- Replace the drum unit if defects repeat at the drum interval.
- Replace the fuser if toner does not bond to the page.
Symptom: Printer offline on the network
- Print the network configuration page and confirm the IP address.
- Re-run the Wi-Fi setup or connect Ethernet.
- Set a DHCP reservation or static IP so it does not change.
- Update the print queue / driver port to the current IP.
- Confirm printing from two clients.
Technical Specs
- Height
- 11.3 in
- Length
- 15.6 in
- Weight
- 29.3 lbs
- Width
- 15.7 in
Documents & Manuals
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