Brother MFC-8480DN User Manual

Troubleshooting and routine maintenance
131
C
Improving the print quality C
Examples of poor print
quality
Recommendation
White lines across the page
 Make sure that you use paper that meets our specifications. A rough
surfaced paper or thick print media can cause the problem. (See
Acceptable paper and other print media on page 14.)
 Make sure that you choose the appropriate media type in the printer
driver or in the machine’s Paper Type menu setting. (See Acceptable
paper and other print media on page 14 and Basic tab in the Software
User’s Guide on the CD-ROM.)
 The problem may disappear by itself. Print multiple pages to clear this
problem, especially if the machine has not been used for a long time.
 The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 164.)
White lines down the page
 Wipe the laser scanner windows with a dry, lint-free soft cloth. (See
Cleaning the laser scanner window on page 155.)
 Make sure that a torn sheet of paper is not inside the machine
covering the scanner window.
 The toner cartridge may be damaged. Put in a new toner cartridge.
(See Replacing a toner cartridge on page 161.)
 The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 164.)
Hollow print
 Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 14.)
 Choose Thick paper mode in the printer driver, choose Thick in the
machine’s Paper Type menu setting or use thinner paper than you
are currently using. (See Paper Type on page 22 and Basic tab in the
Software User’s Guide on the CD-ROM.)
 Check the machine’s environment. Conditions such as high humidity
can cause hollow print. (See Choosing a location on page 104.)
 The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 164.)
Gray background
 Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media on page 14.)
 Check the machine’s environment. Conditions such as high
temperatures and high humidity can increase the amount of
background shading. (See Choosing a location on page 104.)
 The toner cartridge may be damaged. Put in a new toner cartridge.
(See Replacing a toner cartridge on page 161.)
 The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit on page 164.)
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234

Brother MFC-8480DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Print speed (black, normal quality, A4/US Letter)	32 ppm
Grayscale levels	256
Input color depth	48 bit
Image formats supported	BMP, JPG, TIF
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	32 cpm
Faxing	Mono faxing
Fax memory	600 pages
Modem speed	33.6 Kbit/s
Power supply type	AC
Weight (imperial)	40.3 lbs
Dimensions (WxDxH)	530.8 x 449.5 x 474.9 mm
Power requirements	110 - 240V, 50/60 Hz
All-in-one functions	Copy, Fax, Scan
Standard media sizes	2.75'' - 8.5\
Maximum internal memory	0.576 GB
Color all-in-one functions	scan, n
Compatible operating systems	Windows OS Mac OS
Package dimensions (W x D x H)	24.7 x 22.3 x 22.6 \
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Display	LCD
Market positioning	Business
Internal memory	64 MB
Sound pressure level (copying)	56 dB
Sound pressure level (printing)	30 dB
Maximum print size	216 x 356 mm
Paper tray media types	Bond paper, Envelopes, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA, LLMNR, LPR/LPD, IPP/IPPS, FTP, HTTP/HTTPS, SSL/TLS, TFTP, SMTP, APOP, POP, SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD, CIFS, SNTP, NDP, RA, DNS, mDNS, ICMPv6
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Power consumption (standby)	18 W
Power consumption (average operating)	680 W
Package weight	21645 g
Sustainability certificates	ENERGY STAR
Maximum duty cycle	30000 pages per month
Recommended duty cycle	3500 pages per month
Operating temperature (T-T)	10 - 32.2 °C
Operating relative humidity (H-H)	20 - 80 %