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Brother MFC-9840CDW - User Manual

Brother MFC-9840CDW
262 pages
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USER’S GUIDE
MFC-9840CDW

Table of Contents

Other manuals for Brother MFC-9840CDW

Questions and Answers

  • A
    Ann HurstAug 19, 2025
    What to do if my Brother Printer says 'Drum End Soon'?
    • R
      Rachel AndradeAug 19, 2025
      If your Brother Printer displays 'Drum End Soon', it means the drum unit needs to be replaced. Replace the drum unit to resolve the problem.
  • A
    Adam HarringtonAug 21, 2025
    Why my computer cannot find Brother Print Server?
    • M
      Mr. Ronnie DavisAug 21, 2025
      If your computer cannot find the Brother print server, it might be due to your computer's firewall settings blocking the necessary network connection. To resolve this, disable the firewall and reinstall the drivers.
  • J
    Jerry JohnsonAug 23, 2025
    What to do if print job is not printed on Brother Print Server?
    • K
      Krista WardAug 23, 2025
      If print jobs aren't printing, the issue could stem from mismatched or duplicate IP addresses. Ensure the IP address is correctly configured in the print server and that no other devices on the network share the same IP address.
  • C
    corey74Aug 26, 2025
    What to do if I get an error during printing on Brother Print Server?
    • F
      Francis EllisAug 26, 2025
      If you encounter errors during printing with your Brother print server, it might be because other users are currently printing large amounts of data. The printer may be unable to accept your print job until the ongoing printing is finished. Try resending your print job after the other jobs are completed.
  • M
    Margaret BakerAug 27, 2025
    What to do if I need technical help with my Brother MFC-9840CDW?
    • J
      Jennifer SmithAug 27, 2025
      If you require technical assistance with your Brother All in One Printer, you should contact the support line in the country where you purchased the device. Please ensure the call is made from within that country.
  • S
    Scott RobertsonAug 29, 2025
    Why does my Brother Printer say 'Cooling Down'?
    • Z
      Zachary SullivanAug 30, 2025
      The Brother Printer is currently cooling down inside for protection. This is a normal operation.
  • R
    Robert CookSep 1, 2025
    What to do if my Brother Printer shows 'Size Error DX'?
    • T
      Tara MillerSep 1, 2025
      If your Brother Printer displays 'Size Error DX', press Cancel. Then, specify the correct paper size in the Printer driver settings and load paper of the same size.
  • J
    Jaime DavisSep 3, 2025
    How to fix 'Change Parts Fuser Unit' error on Brother Printer?
    • P
      Patricia ChoiSep 3, 2025
      The Brother Printer indicates that the fuser unit needs replacement. Replace the fuser unit.
  • R
    Ralph StewartSep 5, 2025
    How to fix 'Change Parts Belt Unit' error on Brother Printer?
    • J
      Jordan LopezSep 5, 2025
      The Brother Printer indicates that the belt unit needs replacement. Replace the belt unit.
  • A
    Albert WhitakerSep 7, 2025
    How to fix 'Change Parts Laser Unit' error on Brother Printer?
    • W
      wardkennethSep 7, 2025
      The Brother Printer indicates that the laser unit needs replacement. Replace the laser unit.

Summary

Section I General

General Information

Covers basic information about the machine, documentation, and support.

Loading Paper and Documents

Provides guidance on using various paper types, trays, and loading documents.

General Setup

Details on setting up the machine, including modes, paper, and volume.

Security Features

Explains setting locks, passwords, and secure function controls for machine access.

Section II Fax

Sending a Fax

Instructions on sending faxes via ADF, scanner glass, and various transmission options.

Receiving a fax

Guides on selecting receive modes, ring settings, and duplex printing for incoming faxes.

Dialing and Storing Numbers

Covers manual dialing, one-touch, speed-dial, and group setup for efficient communication.

Section III Copy

Making Copies

Detailed steps for making single, multiple, and N-in-1 copies, including quality adjustments.

Section IV Walk-up printing

Printing Photos from a Digital Camera

Instructions for printing photos directly from digital cameras using PictBridge.

Printing Data from a USB Flash Memory Drive

Guidance on printing files directly from a USB flash memory drive.

Section V Software

Software and Network Features

Information on using the machine's software and network capabilities with computers.

Section VI Appendixes

Safety and Legal

Covers installation, safety precautions, regulatory notices, and legal information.

Troubleshooting and Routine Maintenance

Provides solutions for common problems and guidance on cleaning and maintenance.

Specifications

Details technical specifications for memory, paper handling, fax, copy, scan, and print functions.

Brother MFC-9840CDW Specifications

General IconGeneral
Print technologyLaser
Maximum resolution600 x 2400 DPI
Economical printingYes
Time to first page (black, normal)16 s
Time to first page (color, normal)17 s
Print speed (black, normal quality, A4/US Letter)20 ppm
Scan toE-mail, FTP, OCR, USB
Scanner typeFlatbed scanner
Grayscale levels256
Input color depth48 bit
Maximum scan resolution19200 x 19200 DPI
Optical scanning resolution1200 x 2400 DPI
Copier resize25 - 400 %
Maximum copy resolution1200 x 600 DPI
N-in-1 copy function (N=)4, 9, 16, 25
Copy speed (black, normal quality, A4)16 cpm
FaxingMono faxing
Fax memory400 pages
Modem speed33.6 Kbit/s
Fax speed dialing (max numbers)300
Total input capacity250 sheets
Total output capacity150 sheets
Multi-Purpose tray input capacity50 sheets
Auto document feeder (ADF) input capacity35 sheets
Internal memory128 MB
Sound power level (standby)30 dB
Sound pressure level (printing)54.5 dB
Custom media sizes(69.9 - 216mm) - (116 - 406.4mm)
Dimensions (WxDxH)530 x 539 x 520 mm
Networking features10/100Base-TX
Wireless technologyIEEE 802.11b/g
All-in-one functionsCopy, Fax, Scan
Maximum internal memory0.640 GB
Color all-in-one functionscopy, print, scan
Media weight (tray 1)60 - 105g/m2
Paper tray media typesBond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizesExecutive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)A4, A5, A6
ISO B-series sizes (B0...B9)B5, B6
JIS B-series sizes (B0...B9)B5
Maximum ISO A-series paper sizeA4
Multi-Purpose Tray media weight60 - 163 g/m²
Security algorithmsLEAP
Supported network protocols (IPv4)TCP/IP (IPv4 & IPv6)
Standard interfacesUSB 2.0
USB 2.0 ports quantity1
Bundled softwareScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)36 W
Power consumption (average operating)515, 100 W
Package weight45800 g
Digital senderNo
Maximum duty cycle3000 pages per month
Market positioningBusiness

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