Brother MFC-7420 Manual

The Brother MFC-7420 is a multifunction center featuring printing, scanning, copying, and faxing capabilities. It offers monochrome laser printing at up to 22 ppm, 600 x 600 dpi resolution, flatbed scanning, 33.6 Kbps fax modem with 100-page memory, and PC-FAX functionality. 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 Devices 7. Printing & Scanning 8. Fax Operations 9. Maintenance & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Laser printer, flatbed scanner, copier, fax machine, control panel, paper trays, toner cartridge.

FeatureDescription
Print SpeedUp to 22 pages per minute (monochrome)
Print Resolution600 x 600 dpi (up to 2400 dpi quality)
Scanner TypeFlatbed, color scanning
Fax Memory100 pages (33.6 Kbps modem)
Paper Capacity250 sheets (standard)
ConnectivityUSB 2.0, parallel port
Copy FeaturesReduce/Enlarge, N-up printing, photo mode
PC-FAXSend/receive faxes directly from computer
Toner Save ModeReduces toner consumption
Auto Document FeederOptional 50-sheet ADF

Installation

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

  1. Install toner cartridge: Open front cover, remove packing material, insert cartridge until it clicks.
  2. Load paper: Adjust paper guides in tray, load up to 250 sheets of plain paper.
  3. Connect power cable: Plug into AC outlet and device.
  4. Connect to computer: Use USB cable (included) or parallel cable.

WARNING! Do not touch the green drum surface of toner cartridge. Avoid exposure to direct sunlight or high humidity.

First-Time Setup

Power on device; follow initial setup prompts.

  1. Install drivers: Insert CD or download from Brother website; follow on-screen instructions.
  2. Configure fax settings: Enter date/time, station ID (name/number).
  3. Test print: Print configuration page from menu or software.
  4. Set default preferences: Adjust print quality, paper size via driver settings.

CAUTION! Ensure all protective tapes and materials are removed before operation.

Specifications

Controls and Settings

Access functions via control panel buttons and LCD display.

Control Panel: POWER, START (copy/fax), STOP/EXIT, MENU, UP/DOWN arrows, OK, numeric keypad, FAX START, MONITOR.

LCD Display: Shows status, menu options, fax numbers. Menu Navigation: Use arrows and OK to select copy, fax, scan, or system settings. Copy Settings: Number of copies, density, reduce/enlarge (25-400%), photo mode. Fax Settings: Resolution (standard/fine/super fine), redial, fax/tel switch. System Settings: Reports, default modes, buzzer volume, toner save.

Connecting Devices

Computer: USB or parallel port. Telephone line: Connect to LINE port for fax.

  1. Turn off device before connecting cables.
  2. Connect USB cable to computer and device (use parallel cable for older systems).
  3. Connect telephone line from wall to LINE port; optional handset to EXT port.
  4. Power on and install drivers as prompted.

Tip: Use surge protector for power and telephone lines to prevent damage.

Printing & Scanning

Supports printing from applications, copying, and scanning to file or email.

  1. Printing: Select Brother MFC-7420 as printer in application; adjust properties as needed.
  2. Copying: Place original on scanner glass or in ADF; set copies/density; press START.
  3. Scanning: Use Brother software (ControlCenter) to scan to PDF, image, or email.
  4. Photo Copy: Use photo mode for better image quality.
  5. N-up Printing: Print multiple pages on one sheet via driver settings.
  6. Toner Save: Enable in driver or device menu to extend toner life.

WARNING! Do not place heavy objects on scanner glass; keep glass clean.

Fax Operations

Send/receive faxes manually or automatically; use memory for broadcasting.

  1. Sending: Place document, dial number, press FAX START.
  2. Receiving: Set to AUTO for automatic reception; TEL/FAX mode for shared line.
  3. Memory Fax: Stores received faxes if out of paper/toner.
  4. PC-FAX: Send faxes directly from computer using Brother software.
  5. Redial: Automatically redials busy numbers (set in menu).
  6. Reports: Print transmission, error, and phonebook lists.

Note: Ensure correct telephone line connection for fax functionality.

Maintenance & Cleaning

Unplug device before cleaning. Use dry, lint-free cloth; avoid liquids.

  1. Exterior: Wipe with damp cloth (not wet).
  2. Scanner glass: Clean with glass cleaner and soft cloth; avoid scratches.
  3. Paper path: Remove jammed paper gently; check for debris.
  4. Toner: Replace when print quality fades or message appears.

CAUTION! Do not use alcohol or abrasive cleaners on plastic surfaces.

Regulatory Information

FCC Part 15, Class B: Complies with limits for digital devices. Industry Canada ICES-003. ENERGY STAR® qualified. Copyright © Brother Industries, Ltd. For support, visit www.brother.com or contact Brother Customer Service at 1-877-276-8437.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cable/outletCheck connections; try different outlet; ensure power switch on.
Poor print qualityToner/low densityReplace toner; run cleaning cycle; adjust print density.
Paper jamsPaper loading/pathClear jammed paper; ensure paper guides correct; use recommended paper.
Scanner not workingDriver/connectionsReinstall driver; check USB cable; restart device and computer.
Fax transmission failsLine connection/busyCheck telephone line; verify number; ensure document loaded properly.
Device not recognizedUSB cable/driverTry different USB port; reinstall driver; check device manager.

Reset: Menu > Initial Setup > Reset to restore factory defaults if needed.

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

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