Brother MFC-9140CDN Manual

The Brother MFC-9140CDN is a color laser multifunction printer featuring print, copy, scan, and fax capabilities. It offers network connectivity, automatic duplex printing, a 50-sheet automatic document feeder, and support for various paper sizes. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Network 7. Printing and Copying 8. Scanning and Faxing 9. Maintenance & Supplies 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color laser engine, Automatic Document Feeder (ADF), Control Panel with LCD, Network interface, USB port, Paper trays.

FeatureDescription
Print SpeedUp to 21 ppm (black & color)
ResolutionUp to 600 x 600 dpi
Automatic DuplexTwo-sided printing standard
Paper Capacity250-sheet standard tray, optional expansion
ConnectivityEthernet, USB 2.0
ADF Capacity50 sheets
LCD DisplayBacklit monochrome for settings
Supported OSWindows, macOS, Linux
Fax CapabilitySuper G3, up to 33.6 kbps
Toner Save ModeReduces toner consumption

Installation

Unpack and inspect contents. Place on stable, level surface near power outlet and network connection.

  1. Remove all packaging materials and tape from inside and outside.
  2. Install toner cartridges: Open front cover, insert black, cyan, magenta, yellow cartridges.
  3. Load paper: Adjust guides in paper tray, load plain paper.
  4. Connect power cord and network cable (if using Ethernet).
  5. Power on the device.

WARNING! Do not touch the green drum surface; avoid exposure to light. Keep device away from humidity and heat sources.

First-Time Setup

Power on; follow initial setup wizard on LCD panel.

  1. Set language: Use arrow keys to select, press OK.
  2. Set date/time: Enter current date and time for fax logs.
  3. Network configuration: For wired, connect Ethernet; for wireless, use WPS or manual setup.
  4. Install drivers: Use installation CD or download from Brother website.
  5. Test print: Print configuration report to verify setup.

CAUTION! Allow device to warm up; do not unplug during initialization.

Specifications

Controls and Settings

Control Panel: LCD, Navigation arrows, OK, Back, Start, Stop/Exit, numeric keypad, function keys (Copy, Scan, Fax).

Menu Navigation: Use arrows to access Settings, Reports, Network, Maintenance.

Copy Settings: Number of copies, darkness, reduce/enlarge, duplex. Scan Settings: Resolution, file format, destination. Fax Settings: Dial mode, redial, fax header. Network Settings: TCP/IP, WLAN, Brother utilities. Maintenance: Drum cleaning, firmware update, reset.

Connecting to Network

Wired: Connect Ethernet cable to router and device. Wireless: Use WPS or manual configuration via control panel.

  1. Ensure router is powered on.
  2. For wired: Connect cable, device auto-detects.
  3. For wireless: Press Menu > Network > WLAN > Setup Wizard.
  4. Enter network password if required.
  5. Print network configuration report to verify.

Tip: Use Brother's software tools for easier network setup on computer.

Printing and Copying

Printing: Send job from computer; ensure correct driver selected. Copying: Use control panel.

  1. Print: Select "Brother MFC-9140CDN" as printer, adjust properties as needed.
  2. Copy: Place original in ADF or on glass, set copies/darkness/size, press Start.
  3. Duplex: Enable in print dialog or copy settings for two-sided output.
  4. Cancel job: Press Stop/Exit on control panel.
  5. Paper selection: Use tray settings for different paper types.

WARNING! Do not touch printed pages immediately; they may be hot. Allow cooling.

Scanning and Faxing

Scanning: To computer, email, USB. Faxing: Send/receive via phone line.

  1. Scan: Place document, press Scan key, choose destination (PC, USB, email).
  2. Fax send: Load document, dial number using keypad, press Start.
  3. Fax receive: Ensure machine is in fax mode; auto-answer default is on.
  4. Speed dial: Store frequent numbers for quick access.
  5. Fax report: Print transmission confirmation reports if needed.

Note: For scanning to PC, ensure Brother software is installed and PC is on same network.

Maintenance & Supplies

Replace toner when low message appears. Clean exterior with dry cloth; clean interior as prompted.

Supplies: TN-221 (black), TN-222 (cyan), TN-223 (magenta), TN-224 (yellow) toner cartridges. Drum unit: DR-221. Maintenance kit available for high-volume users.

CAUTION! Turn off and unplug before cleaning interior. Use only Brother-supplied consumables.

Regulatory Information

FCC Part 15 Class B compliant. Energy Star qualified. RoHS compliant. Copyright © Brother Industries, Ltd. For support, visit support.brother.com or contact Brother Customer Service at 1-877-276-8437.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord, outletCheck connections; try different outlet; ensure power switch on.
Paper jamsMisloaded paper, worn rollersOpen covers, remove jammed paper gently; reload paper correctly.
Poor print qualityLow toner, dirty drumReplace toner; run drum cleaning utility; check print density settings.
Not printing from PCDriver, connectionVerify printer is default; check network/USB connection; reinstall driver.
Scanner not workingSoftware, connectionEnsure scanning software installed; check network; restart device.
Fax issuesPhone line, settingsVerify phone line connected; check dial mode; ensure correct fax header.

Reset: Menu > Initial Setup > Reset > All Settings (if needed).

Service: 1-877-276-8437; support.brother.com

Brother MFC-9140CDN Manual © - All Rights Reserved 2025