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Madison StanleySep 9, 2025
What does 'Disconnected' mean on my Brother MFC-7420 All in One Printer when faxing?
- CCheryl PerrySep 9, 2025
The other person or other person’s fax machine stopped the call. Try to send or receive again.
What does 'Disconnected' mean on my Brother MFC-7420 All in One Printer when faxing?
The other person or other person’s fax machine stopped the call. Try to send or receive again.
How to fix 'No Paper Fed' on my Brother MFC-7420?
This problem occurs because the machine is out of paper or paper is not properly loaded in the paper tray. Refill the paper in the paper tray, and then press Start. Alternatively, remove the paper and load it again and then press Start.
What to do if the 'Cover is Open' message appears on my Brother All in One Printer?
The front cover is not completely closed. Close the front cover of the machine.
Why does my Brother All in One Printer say 'Wrong Paper Size'?
The paper is not the correct size. Load the correct size of paper (Letter, Legal or A4) and then press Start.
What does 'Toner Low' mean on my Brother MFC-7420 All in One Printer?
If the LCD shows Toner Low, you can still print. However, the machine is indicating that toner is near the end of its life and will soon need replacing. Order a new toner cartridge now.
How to fix 'No cartridge' error on Brother All in One Printer?
The toner cartridge is not installed properly. Reinstall the toner cartridge.
What does 'Connection Fail' mean on my Brother MFC-7420?
You tried to poll a fax machine that is not in Polled Waiting mode. Check the other fax machine’s polling setup.
Why does my Brother MFC-7420 All in One Printer say 'Not Registered'?
You tried to access a One-Touch or Speed Dial number that is not programmed. Set up the One-Touch or Speed Dial number.
What causes 'Comm.Error' on my Brother MFC-7420 All in One Printer?
Poor phone line quality caused a communication error. Try sending the fax again or try connecting the machine to another telephone line. If the problem continues, call the telephone company and ask them to check your phone line.
What to do if Brother All in One Printer shows 'Unable to Init. Unable to Print Unable to Scan'?
The machine has a mechanical problem. Turn off the machine's power switch and then on again. If the error message continues leave the machine for several minutes and try to print, copy or scan again.
General| Print technology | Laser |
|---|---|
| Maximum resolution | 600 x 2400 DPI |
| Time to first page (black, normal) | 10 s |
| Print speed (black, normal quality, A4/US Letter) | 20 ppm |
| Maximum print size | 210 x 297 mm |
| Maximum ISO A-series paper size | A4 |
| Scanner type | Flatbed scanner |
| Grayscale levels | 64 |
| Input color depth | 24 bit |
| Maximum scan resolution | 9600 x 9600 DPI |
| Maximum copy resolution | 600 x 300 DPI |
| Copy speed (black, normal quality, A4) | 20 cpm |
| Faxing | Mono faxing |
| Fax memory | 400 pages |
| Modem speed | 14.4 Kbit/s |
| Auto-redialing | Yes |
| Fax speed dialing (max numbers) | 200 |
| Total input capacity | 250 sheets |
| Auto document feeder (ADF) input capacity | 35 sheets |
| Internal memory | 16 MB |
| Sound pressure level (printing) | 53 dB |
| Dimensions (WxDxH) | 432 x 395 x 294 mm |
| All-in-one functions | Fax, Scan |
| Standard media sizes | A4, LTR, EXE, A5, A6, B5, B6 |
| Media types supported | Plain, Recycled, Envelopes, Transparency, Bond, Labels |
| Color all-in-one functions | scan, n |
| Compatible operating systems | Windows 98/98SE/Me/2000/NT/XP Mac OS 9.1-9.2 + Mac OS X 10.2.4 |
| Standard interfaces | Parallel, USB 2.0 |
| Parallel ports quantity | 1 |
| Maximum duty cycle | 10000 pages per month |
| Operating relative humidity (H-H) | 20 - 80 % |
| Package weight | 14500 g |
| Market positioning | Home & office |
Provides a detailed explanation of the machine's control panel buttons and their functions.
Explains how to load documents into the machine for faxing, copying, or scanning.
Provides step-by-step instructions for correctly loading paper into the machine's paper tray.
Guides users through the basic initial setup procedures for the machine.
Details how to set the machine's internal clock for accurate logging and fax headers.
Explains how to set the sender's identification details for fax headers and reports.
Covers security features like TX Lock and Memory Security to protect machine access.
Explains how to enable TX Lock to prevent unauthorized access and restrict certain machine operations.
Guides users on setting a password for the TX Lock feature to secure the machine.
Explains how to enable Memory Security to restrict unauthorized access to memory functions.
Guides users on setting a password for the Memory Security feature.
Describes how to use Setting Lock to prevent unauthorized access to machine settings.
Guides users on setting a password for the Setting Lock feature.
Provides instructions on initiating fax transmissions from the machine.
Details the steps for sending faxes using the Automatic Document Feeder.
Explains the procedure for sending faxes using the scanner glass for single pages or books.
Explains the simplest method for sending faxes without manual intervention.
Guides users on sending faxes manually while listening to line signals.
Covers fundamental operations for sending faxes, including multiple settings.
Explains how to combine various settings like cover page and contrast for fax transmissions.
Covers advanced features for sending faxes, enhancing customization and efficiency.
Explains how to create and customize electronic cover pages for fax transmissions.
Guides users on setting up the machine to wait for another fax machine to retrieve documents.
Details how to secure polled transmissions using a four-digit code for document protection.
Covers fundamental settings for receiving faxes and telephone calls.
Explains the four different receive modes available and their suitable usage scenarios.
Guides users on how to choose or modify the machine's receive mode setting.
Allows adjustment of the number of rings before the machine automatically answers an incoming call.
Explains how to automatically scale incoming faxes to fit on a single page.
Guides users on how to print faxes that have been stored in the machine's memory.
Defines Polling as retrieving faxes from another fax machine and required setup.
Guides users on configuring the machine to call another fax to receive a fax.
Details how to secure polling operations using a shared code for document privacy.
Explains how to schedule polling receive operations to occur at a specific later time.
Describes how to request documents from multiple fax machines in a single operation.
Introduces setting up One-Touch, Speed-Dial, and Group numbers for simplified dialing.
Guides users on saving frequently used numbers to the One-Touch keys for quick dialing.
Explains how to save numbers to Speed-Dial locations for quick access via a few key presses.
Introduces the remote fax features, allowing access and management from afar.
Explains how to configure the machine to forward received faxes to another number.
Details how to store received faxes in memory for later retrieval from another location.
Guides users on configuring the machine to send received faxes directly to a PC.
Explains how to disable all remote fax features when they are no longer needed.
Details how to change between different remote fax options and manage stored faxes.
Guides users on setting a personal code to access machine features remotely.
Explains how to call the machine remotely to retrieve stored fax messages.
Details the steps for using the remote access code to interact with the machine remotely.
Provides a reference table for commands used to control the machine remotely.
Explains how to access and retrieve stored fax messages from a remote location.
Guides users on how to update the fax forwarding number remotely.
Covers setup for Transmission Verification Reports and Journal Period for tracking fax activity.
Explains how to configure the Transmission Verification Report for detailed fax transmission proof.
Allows users to set intervals for automatic printing of Fax Journal Reports.
Lists the types of reports available and how to print them from the machine.
Explains how to utilize the machine's copying functionality for document duplication.
Guides users on activating the copy mode on the machine's control panel.
Provides guidance on identifying and resolving common error messages displayed by the machine.
Lists common error messages, their causes, and recommended actions for resolution.
Provides step-by-step instructions for clearing document jams from the ADF unit.
Offers detailed procedures for clearing paper jams that occur inside the machine.
Provides instructions for clearing paper jams located at the rear of the machine.
Details the process for clearing paper jams within the drum unit and toner cartridge assembly.
Provides a guide for diagnosing and resolving various issues encountered while using the machine.
Offers solutions and recommendations for common print quality issues like faint print or streaks.
Provides a step-by-step guide on how to replace the toner cartridge.
Details the procedure for replacing the drum unit, including important precautions and notes.
Covers advanced operations for receiving faxes, especially from extension telephones.
Lists and describes the options available under the Fax Setup Receive menu.
Lists and describes the options available under the Fax Setup Send menu.
Lists and describes the options available under the Fax Remote Fax Options menu.
Details specifications related to fax compatibility, coding, modem speed, document size, and transmission.
