Why does my Brother All in One Printer say 'Cooling Down'?
- EEbony AndersonSep 23, 2025
After the Brother All in One Printer has been on for a while, the message 'Cooling Down' may appear.

Why does my Brother All in One Printer say 'Cooling Down'?
After the Brother All in One Printer has been on for a while, the message 'Cooling Down' may appear.
How to fix Battery connection failure on Brother All in One Printer?
If your Brother All in One Printer displays 'Battery connection failure', reconnect the battery harness.
How to fix Cartridge Error on Brother Printer?
A 'Cartridge Error' indicates that the toner cartridge is not installed correctly. To resolve this, pull out the drum unit, take out the toner cartridge that is indicated on the LCD, and put it back into the drum unit again.
What to do if my Brother Printer does not load paper?
If your Brother Printer does not load paper and the LCD shows 'No Paper' or a 'Paper Jam' message, try the following: If there is no paper, load a new stack of paper into the paper tray. If there is paper in the paper tray, make sure it is straight. If the paper is curled, you should straighten it. Sometimes it is helpful to remove the paper, turn the stack over and put it back into the paper tray. You may also need to reduce the amount of paper in the paper tray.
Why are the printouts from my Brother Printer too light?
If printouts are too light, and this problem occurs when making copies or printing, set Toner Save mode to off in the machine menu settings. Also, set Toner Save mode to off in the Advanced tab in the printer driver.
How to fix 'Toner Low' on Brother DCP-7045N?
If your Brother All in One Printer displays 'Toner Low', prepare a new toner cartridge. If the toner is empty, replace it.
What to do if there is a paper jam inside Brother DCP-7045N All in One Printer?
If you encounter a paper jam inside your Brother All in One Printer, open the front cover, completely pull out the drum unit, and then remove the jammed paper.
How to clear paper jam in the rear of Brother DCP-7045N All in One Printer?
To resolve a 'Paper jam in the rear of the machine' error on your Brother All in One Printer, open the back cover and remove the jammed paper.
What to do for 'Toner Life End' message on Brother DCP-7045N?
If your Brother All in One Printer indicates 'Toner Life End', gently shake the toner cartridge from side to side and reinstall it. This may help redistribute the toner and temporarily resolve the issue. The cause may be that the toner sensor detects that the cartridge is nearly empty, or the drum counter has reached its upper limit.
What does 'Drum End Soon' mean on Brother All in One Printer?
If your Brother All in One Printer displays 'Drum End Soon', replace the drum unit with a new one. This is because the drum counter has reached its upper limit.
| Duplex printing | Yes |
|---|---|
| Print technology | Laser |
| Maximum resolution | 2400 x 600 DPI |
| Time to first page (black, normal) | 10 s |
| Print speed (black, normal quality, A4/US Letter) | 22 ppm |
| Copier resize | 25 - 400 % |
| Maximum copy resolution | 600 x 600 DPI |
| N-in-1 copy function (N=) | 2, 4, 9, 16, 25 |
| Time to first copy (black, normal) | 15 s |
| Copy speed (black, normal quality, A4) | 22 cpm |
| Total input capacity | 250 sheets |
| Total output capacity | 100 sheets |
| Auto document feeder (ADF) input capacity | 35 sheets |
| Card reader integrated | - |
| Sound power level (standby) | 32 dB |
| Sound pressure level (printing) | 53 dB |
| Wi-Fi | No |
| Mobile printing technologies | Not supported |
| Standard interfaces | Ethernet, USB 1.1, USB 2.0 |
| USB 2.0 ports quantity | 1 |
| Power consumption (standby) | 75 W |
| Power consumption (PowerSave) | 10 W |
| Power consumption (average operating) | 320 W |
| Scan to | E-mail, File, Image, OCR |
| Grayscale levels | 256 |
| Input color depth | 48 bit |
| Maximum scan area | A4 (210 x 297) mm |
| Output color depth | 24 bit |
| Maximum scan resolution | 19200 x 19200 DPI |
| Optical scanning resolution | 600 x 2400 DPI |
| Custom media width | 148 - 215.9 mm |
| Maximum print size | 210 x 297 mm |
| Custom media length | 148 - 355.6 mm |
| Paper tray media types | Envelopes, Labels, Plain paper, Recycled paper, Transparencies |
| Paper tray media weight | 60 - 105 g/m² |
| Non-ISO print media sizes | Letter |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5, B6 |
| Maximum ISO A-series paper size | A4 |
| Sustainability certificates | ENERGY STAR |
| Package depth | 510 mm |
| Package width | 550 mm |
| Package height | 520 mm |
| Package weight | 14900 g |
| Display | LCD |
| Product color | Black, White |
| Market positioning | Home & office |
| Display number of lines | 2 lines |
| Display number of characters | 16 |
| Maximum duty cycle | - pages per month |
| Page description languages | BR-Script 3, PCL 6, PostScript 3 |
| Operating temperature (T-T) | 10 - 32.5 °C |
| Operating relative humidity (H-H) | 20 - 80 % |
| Mac operating systems supported | Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard |
| Server operating systems supported | Windows Server 2003, Windows Server 2003 x64 |
| Windows operating systems supported | Windows 2000 Professional, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64 |
| Depth | 396 mm |
|---|---|
| Width | 428 mm |
| Height | 304 mm |
Guide to understanding manual symbols, conventions, and how to read it effectively.
Explains the meaning of symbols and text conventions used throughout the manual.
Instructions on how to find and view the Software and Network User's Guides for advanced features.
Detailed explanation of each button and its function on the printer's control panel.
Step-by-step guide on how to load paper into the main paper tray correctly.
Instructions for feeding paper, envelopes, or labels using the manual feed slot.
Information on unsuitable paper types and specific guidelines for printing on envelopes and labels.
How to configure paper type and size settings for optimal printing results.
Adjusting beeper volume and configuring Toner Save and Sleep Time for power saving.
Adjusting LCD contrast and printing a list of current user settings.
Guide on entering copy mode, making single/multiple copies, and stopping the process.
Adjusting copy settings like ratio, contrast, quality, and number of copies temporarily.
Tips and settings to enhance the quality of your copied documents.
Instructions for copying multiple pages onto a single sheet to save paper.
Guide on how to access and navigate the HTML-based User's Guides for detailed information.
Guidelines for selecting an appropriate environment to place and operate the machine.
Critical safety instructions to prevent fire, electric shock, or personal injury during use.
Details on laser safety standards and electrical connection and wiring information.
Information on LAN connection, radio interference, and EU environmental directives.
Information on ENERGY STAR compliance and general safety instructions for product usage.
List of registered trademarks and intellectual property rights associated with the product and its software.
Guidance on diagnosing and resolving common problems with print quality, paper handling, and software.
Explanations of error messages displayed on the LCD and recommended actions to resolve them.
Detailed procedures for identifying and clearing various types of paper jams within the machine.
Instructions for cleaning the machine's exterior, scanner glass, and laser scanner window.
Steps to clean the corona wire and drum unit to resolve print quality issues.
Step-by-step guide for replacing the toner cartridge when it is low or empty.
Detailed instructions on how to safely remove and replace the drum unit when indicated.
How to select and change the language displayed on the machine's LCD screen.
Procedures to view the machine's serial number, total page counts, and remaining drum unit life.
Instructions on how to properly pack the machine for transport or storage to prevent damage.
Explanation of the machine's menu system, programming, and key features.
Comprehensive list of menu options, submenus, selections, and their functions.
Key technical details including printer type, memory, power, and dimensions.
Details on supported paper types, sizes, weights, and copy function technical data.
Technical details for scanning, printing, and connectivity interfaces.
Minimum system requirements for PC connection and Ethernet network setup details.
Information on toner cartridge and drum unit life, including part numbers and estimated page yields.
Definitions of common terms and features used in the user manual and on the machine.











