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Jonathan SmithJul 30, 2025
What does a red icon mean on Brother MFC-L5755DW All in One Printer status monitor?
- TterrymorrisJul 30, 2025
A red icon on the Brother All in One Printer status monitor indicates that an error has occurred.
What does a red icon mean on Brother MFC-L5755DW All in One Printer status monitor?
A red icon on the Brother All in One Printer status monitor indicates that an error has occurred.
What does a yellow icon mean on Brother MFC-L5755DW status monitor?
A yellow icon on the Brother All in One Printer status monitor indicates a warning.
What does a green icon mean on Brother MFC-L5755DW All in One Printer status monitor?
A green icon on the Brother All in One Printer status monitor indicates the normal stand-by condition of your Brother All in One Printer.
General| Scan to | E-mail, File, Image, OCR, USB |
|---|---|
| Scanner type | Flatbed & ADF scanner |
| Duplex scanning | Yes |
| Input color depth | 48 bit |
| Output color depth | 24 bit |
| Image formats supported | JPEG, TIFF |
| Document formats supported | PDF, XPS |
| Optical scanning resolution | 1200 x 1200 DPI |
| Mac operating systems supported | Mac OS X 10.9 Mavericks |
| Server operating systems supported | Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2 |
| Windows operating systems supported | Windows XP Home, Windows XP Professional |
| AC input voltage | 220 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (max) | 805 W |
| Power consumption (average operating) | 610 W |
| Operating temperature (T-T) | 10 - 32 °C |
| Operating relative humidity (H-H) | 20 - 80 % |
| Internal memory | 256 MB |
| Card reader integrated | No |
| Sound power level (standby) | 35 dB |
| Sound pressure level (copying) | 54 dB |
| Digital sender | - |
| Maximum duty cycle | 300000 pages per month |
| Page description languages | PostScript |
| Standard interfaces | USB 2.0 |
| USB 2.0 ports quantity | 1 |
| Total input capacity | 250 sheets |
| Total output capacity | - sheets |
| Auto document feeder (ADF) input capacity | 50 sheets |
| Display | TFT |
| Control type | Touch |
| Product color | Black |
| Display diagonal | 3.7 \ |
| Market positioning | Business |
| Print technology | Laser |
| Duplex printing mode | Auto |
| Time to first page (black, normal) | 7.2 s |
| Print speed (black, normal quality, A4/US Letter) | 40 ppm |
| Duplex print speed (black, normal quality, A4/US Letter) | 20 ppm |
| Custom media width | 76.2 - 215.9 mm |
| Custom media length | 127 - 355.6 mm |
| Paper tray media types | Envelopes, Plain paper, Postcard, Recycled paper |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5 |
| Multi-purpose tray media types | Envelopes |
| Maximum ISO A-series paper size | A4 |
| Copier resize | 25 - 400 % |
| Maximum copy resolution | 1200 x 600 DPI |
| Maximum number of copies | 99 copies |
| Time to first copy (black, normal) | 9.2 s |
| Copy speed (black, normal quality, A4) | 40 cpm |
| Faxing | Mono faxing |
| Fax memory | 500 pages |
| Modem speed | 33.6 Kbit/s |
| Fax coding methods | JBIG, MH, MMR (Fax coding method), MR |
| Fax transmission speed | 2 sec/page |
| Supported network protocols (IPv4) | TCP/IP |
Weight and Dimensions| Depth | 427 mm |
|---|---|
| Width | 435 mm |
| Height | 486 mm |
| Weight | 16600 g |
Lists the models covered by this user guide.
Explains the meaning of symbols, warnings, cautions, and notes used in the guide.
Lists registered trademarks and product names mentioned in the manual.
Provides crucial notes regarding product usage, country restrictions, and software compatibility.
Confirms prerequisites for printing operations and addresses firewall settings.
Details the components of the machine's control panel, including NFC reader, LCD, and buttons.
Describes the functions accessible through the machine's settings menu for configuration.
Explains the different screens and navigation methods on the machine's LCD touchscreen.
Guides users on customizing the machine's home screen for improved usability.
Instructions on launching Brother applications from the computer via the Brother Utilities launcher.
Instructions on loading paper into the main paper tray and the multi-purpose tray.
Details how to adjust paper size, type, and select the tray for printing.
Explains how to set the 2-sided tray size for correct paper feeding and prevent jams.
Covers loading documents into the ADF or onto the scanner glass for copying, faxing, or scanning.
Shows maximum unscannable and unprintable areas for common paper sizes and usage types.
Provides guidelines and warnings for using special paper types to avoid damage and ensure performance.
Comprehensive guide to printing from Windows, covering document printing, N in 1, poster, booklet, and secure print options.
Instructions for printing and managing print jobs from a Macintosh computer.
Explains the Carbon Copy function for making multiple copies on different paper types.
Provides steps to cancel a print job that is currently running or queued.
Instructions on how to perform a test print to troubleshoot print quality issues.
Details how to initiate scans directly from the machine to various destinations like folders, USB, or email.
Explains various methods to scan documents and photos from a Windows computer using different applications.
Covers scanning documents and photos using ControlCenter2 or other TWAIN-compliant applications on Mac.
Guides users on configuring scan settings remotely via a web browser.
Step-by-step instructions for making copies of documents using the ADF or scanner glass.
Explains how to adjust the size of copied documents using enlargement or reduction ratios.
Details how to copy multiple document pages onto a single output page to save paper.
Instructions on how to sort multiple copies to stack them in the desired order.
Guides users on copying both sides of an identification card onto a single page.
Explains how to reduce paper usage by copying onto both sides of the paper.
Lists various copy settings like quality, density, contrast, and page layout.
Covers various methods and options for sending faxes, including broadcasting, delayed faxes, and cover pages.
Details different receive modes, memory receive options, and remote fax retrieval.
Explains voice operations, storing fax numbers, and managing address book entries.
Discusses connecting external telephones, TADs, and handling multi-line connections.
Information on printing transmission verification reports and fax journals for tracking.
Instructions for sending and receiving faxes directly from a computer using PC-FAX software.
Provides introductory information on network setup using the installation CD-ROM.
Explains how to configure and manage network settings using utilities like BRAdmin.
Details various methods for connecting the machine to a wireless network, including WPS and Ad-Hoc modes.
Covers features like email server configuration, I-Fax, Send Fax to Server, and LDAP search.
Provides technical details on Gigabit Ethernet and resetting network settings to factory defaults.
Explains how to use the Setting Lock feature to prevent unauthorized access to machine settings with a password.
Outlines various network security features including authentication, SSL/TLS, IPsec, and print log storage.
Describes how to use web services for uploading/downloading files and printing images.
Explains how Brother Web Services facilitate cloud management of files, printing, and fax transfer.
Details printing to a Google Cloud Print registered printer without installing drivers.
Instructions for wirelessly printing photos, emails, and documents from Apple devices using AirPrint.
Explains Mopria Print Service for printing from Android devices without additional setup.
Guides users on using Brother iPrint&Scan for mobile printing and scanning from various devices.
Covers NFC for simple transactions and wireless connections between devices, requiring iPrint&Scan app.
Details managing machine features, scan actions, and setup using ControlCenter4 on Windows.
Explains how to use ControlCenter2 for scanning photos and saving files on Macintosh.
Lists common error messages, their causes, and recommended actions for resolution.
Provides instructions for clearing document jams from the ADF and document cover.
Guides users on how to resolve paper jams in various trays and internal areas of the machine.
Addresses common printing issues like no printout, missing text, or unexpected output.
Offers tips and recommendations for resolving poor print quality issues such as faint print or streaks.
Covers troubleshooting steps for dialling issues, incoming calls, and fax reception problems.
Helps diagnose and resolve issues related to network connectivity, IP address assignment, and configuration.
Addresses less common issues like software installation failures or EPS data printing problems.
Instructions on how to view machine serial number, firmware version, page counter, and parts life.
Explains how to reset machine settings, including network settings, to their factory defaults.
Information on replacing consumables like toner cartridges and drum units, and their approximate life.
Detailed steps for cleaning various parts of the machine, including the scanner, touchscreen, and corona wire.
Guides users on how to check the approximate remaining life of toner cartridge, drum unit, and other parts.
Provides instructions on how to pack and ship the machine, with or without optional trays.
Covers customizing settings directly on the machine's control panel, including general, shortcut, and report settings.
Details changing machine settings via Web Based Management or Remote Setup for advanced configuration.
Provides detailed technical specifications for the machine, including dimensions, power consumption, and interfaces.
Guides on using the on-screen keyboard for text input on the machine' s LCD for various operations.
Lists available supplies like toner cartridges and drum units, their model names, and approximate page yields.
Details available accessories such as optional paper trays and their applicable models.
