Brother HL-L5100DN vs Brother HL-L6400DW

Detailed Technical Comparison & Buying Guide

Brother HL-L5100DN Brother HL-L5100DN
VS
Brother HL-L6400DW Brother HL-L6400DW

Brother HL-L5100DN

✅ A legitimate workhorse built for high-volume monthly duty cycles.
❌ No built-in Wi-Fi on the 'DN' model; it's Ethernet or USB only.

Brother HL-L6400DW

✅ Blazing enterprise speed; it can churn through 52 pages in a minute.
❌ The initial cost is high, though it pays for itself in volume.
Feature Brother HL-L5100DN Brother HL-L6400DW
Print Technology Monochrome Laser Monochrome Laser
Colour Output Black Black
Print Resolution 1200 x 1200 dpi 1200 x 1200 dpi
Black Print Speed (PPM) 42 ppm 52 ppm
Colour Print Speed (PPM) N/A N/A
First Page Out Time 7.2 sec 7.5 sec
Auto Double-Sided Yes Yes
Input Paper Capacity 250 Sheets 520 Sheets
Output Tray Capacity 150 Sheets 250 Sheets
Supported Paper Sizes A4, A5, A6, B5 A4, Letter, Legal
Paper Weight Support 60-120 g/m2 60-120 g/m2
Scanner Type None None
Scan Resolution N/A N/A
Auto Document Feeder None None
Copy Speed No No
Wi-Fi Connectivity No Yes
Ethernet Support Yes Yes
USB Connectivity Yes Yes
Mobile Printing Support Yes Yes
Display Panel N/A N/A
Monthly Duty Cycle N/A N/A
Ink/Cartridge System N/A N/A
Borderless Printing N/A N/A
Width N/A N/A
Depth N/A N/A
Height N/A N/A
Machine Weight N/A N/A
Energy Efficiency N/A N/A
Noise Level (dB) N/A N/A
Processor Speed N/A N/A
Internal Memory N/A N/A
Cloud Print Support N/A N/A
Security Features N/A N/A
Compatible OS N/A N/A
Included in Box N/A N/A
Warranty Period N/A N/A
Recommended Use N/A N/A

⚖️ Expert Verdict

In the hierarchy of corporate monochrome lasers, the move from the HL-L5100DN to the HL-L6400DW is a move from a workhorse to a flagship. While the L5100DN is exceptionally capable with its 42ppm speed, the L6400DW is engineered for extreme throughput, pushing 52ppm. Beyond raw speed, the L6400DW features a significantly more robust internal cooling system and an ultra-high-yield toner option (20,000 pages) that drastically lowers the cost-per-page for enterprise-level churn. If your office prints over 5,000 pages monthly, the L6400DW’s superior mechanical tolerances and larger standard paper capacity make it the definitive winner for heavy-duty operational efficiency.

What Owners Are Saying?

Brother HL-L5100DN

Law_Firm_LDN
"We’ve got this tucked away in the back room and it prints 200+ contracts a day without a single jam. It's a proper workhorse. No fancy touchscreen to break, just buttons and raw speed. If you need a departmental mono laser that won't let you down, this is it. Absolute unit."

Brother HL-L6400DW

Enterprise_IT
"This is a flagship beast. 50ppm speed and the 20k yield toner makes it a strategic powerhouse for a whole department. It handles a massive workload with zero drama. Proper industrial strength."

More Comparisons