Brother MFC-7840W User Manual

134
Replacing the consumable items B
You will need to replace the consumable items when the machine indicates that the life of the
consumable is over.
Note
• Discard used consumable items according to local regulations, keeping it separate from
domestic waste. If you have questions, call your local waste disposal office. Be sure to reseal
the consumable items tightly so that the material inside does not spill.
• We recommend placing used consumable items on a sheet of paper to prevent accidentally
spilling or scattering the material inside.
• If you use paper that is not a direct equivalent for the recommended paper, the life of
consumable items and machine parts may be reduced.
Replacing a toner cartridge B
The High Yield toner cartridges can print
approximately 2,600 pages
1
and the
Standard toner cartridges can print
approximately 1,500 pages
1
. Actual page
count will vary depending on your average
type of document (i.e., standard letter,
detailed graphics).
When a toner cartridge is running low, the
LCD shows Toner Low.
1
Approx. cartridge yield is declared in accordance
with ISO/IEC 19752.
Note
It is a good idea to keep a new toner
cartridge ready for use when you see the
Toner Low warning.
Toner cartridge Drum unit
Order No. TN-2130, TN-2150 Order No. DR-2125

Brother MFC-7840W Specifications

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