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 my Brother All in One Printer prints the first couple of pages correctly, then some pages have text missing?
Check the settings in your application to make sure that it is set up to work with your machine. Make sure that you connected the interface cable correctly.
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.
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.
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 fix 'Maintenance mode 74 Non-decision' on Brother All in One Printer?
To resolve 'Maintenance mode 74 Non-decision (Inputting omission of the customizing code.)' on your Brother All in One Printer, implement the Maintenance mode 74 again.
How to troubleshoot dialling issues on my Brother All in One Printer?
Check for a dial tone. Change the Tone/Pulse setting. Check all line cord connections. Check that the machine is plugged in and switched on. If an external phone is connected to the machine, send a manual fax by lifting the handset of the external telephone and dialling the number. Wait to hear fax receiving tones before pressing Start.
How to fix FAX scanning error on Brother MFC-7840W?
If your Brother All in One Printer displays 'FAX scanning error (First warning only)', turn the power switch off and on. Then, try scanning again.
What to do if my Brother MFC-7840W All in One Printer is printing pages that are smeared?
The Paper Type setting may be incorrect for the type of print media you are using, or the print media may be too thick or have a rough surface.
What causes copy quality difficulties such as vertical black lines on Brother All in One Printer?
Black vertical lines on copies are typically caused by dirt or correction fluid on the glass strip, or the corona wire for printing is dirty.
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 |
To Next Page
