How to clear paper jam near paper eject tray of Brother All in One Printer?
To resolve a 'Paper jam near paper eject tray' error on your Brother All in One Printer, remove the jammed paper near the paper eject tray or the back cover.
How to clear paper jam in Tray 1 of Brother MFC-7840W All in One Printer?
If your Brother All in One Printer displays 'Paper jam in Tray 1 (T1)', remove the jammed paper from the tray.
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.
What to do for 'Toner Life End' message on Brother MFC-7840W All in One Printer?
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.
How to clear paper jam in the rear of Brother MFC-7840W 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 if there is a paper jam inside Brother MFC-7840W?
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 fix 'Toner Low' on Brother MFC-7840W?
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 I cannot install software or print with my Brother MFC-7840W?
Run the Repair MFL-Pro Suite program on the CD-ROM.
What to do if my computer cannot find my Brother MFC-7840W All in One Printer?
For Windows® users: The firewall setting on your PC may be rejecting the necessary network connection. For Macintosh® users: Re-select your machine in the Device Selector application.
How to fix vertical black lines when receiving faxes on my Brother MFC-7840W All in One Printer?
If you're seeing vertical black lines when receiving faxes, the corona wire for printing may be dirty, so clean the corona wire. The sender’s scanner may also be dirty, ask the sender to make a copy to see if the problem is with the sending machine. Try receiving from another fax machine.
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) | 22 ppm |
| Grayscale levels | 256 |
| Input color depth | 24 bit |
| USB port | Yes |
| Standard interfaces | USB 2.0 |
| USB 2.0 ports quantity | 1 |
| Dimensions (WxDxH) | 428 x 396 x 304 mm |
| Networking features | 10/100 Base-TX Ethernet |
| Wireless technology | IEEE802.11b/g |
| All-in-one functions | Copy, Fax, Scan |
| Color all-in-one functions | scan, n |
| Compatible operating systems | Windows Vista/XP-Home/2003/2000 Mac OS X 10.2.4 & later Linux printer driver |
| Copier resize | 25 - 400 % |
| Maximum copy resolution | 600 x 600 DPI |
| Maximum number of copies | 99 copies |
| N-in-1 copy function (N=) | 2, 4, 9, 16, 25 |
| Copy speed (black, normal quality, A4) | 22 cpm |
| Faxing | Mono faxing |
| Fax memory | 500 pages |
| Fax coding methods | MH, MMR (Fax coding method), MR |
| Fax speed dialing (max numbers) | 200 |
| Maximum input capacity | 250 sheets |
| Multi-Purpose tray input capacity | 1 sheets |
| Auto document feeder (ADF) input capacity | 35 sheets |
| Internal memory | 32 MB |
| Sound power level (standby) | 32 dB |
| Sound pressure level (printing) | 53 dB |
| Media weight (tray 1) | 60 - 105 g/m² |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO B-series sizes (B0...B9) | B5, B6 |
| Maximum ISO A-series paper size | A4 |
| Multi-Purpose Tray media weight | 60 - 163 g/m² |
| Supported network protocols (IPv4) | IPv4, IPv6 |
| Sustainability certificates | ENERGY STAR |
| Power consumption (standby) | 75 W |
| Power consumption (PowerSave) | 12 W |
| Power consumption (average operating) | 320 W |
| Package weight | 13.400 g |
| Market positioning | Home & office |
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