Brother MFC-8860DN User Manual

Troubleshooting and routine maintenance
101
Improving the print quality C
Examples of poor print
quality
Recommendation
Faint
 Check the machine’s environment. Conditions such as humidity, high
temperatures, and so on, may cause this print fault. (See
Choosing a
location
on page 84.)
 If the whole page is too light, Toner Save mode may be on. Turn off Toner
Save mode in the machine’s menu settings or in the printer Properties of the
driver. (See
Toner save on page 21 or Advanced tab in the Software User’s
Guide on the CD-ROM.)
 If this problem occurs when making copies or printing received faxes, turn off
Toner Save mode in the machine’s menu setting. (See
Toner save on page
21.)
 Clean the scanner window and the primary corona wire on the drum unit. (See
Cleaning the laser scanner window on page 118 and Cleaning the
corona wire
on page 120.) If the print quality has not improved, put in a new
drum unit. (See
Replacing the drum unit (DR-3100) on page 124.)
 Put in a new toner cartridge. (See
Replacing the toner cartridge (TN-
3130/TN-3170)
on page 121.)
Grey background
 Make sure that you use paper that meets our specifications. (See
Acceptable paper and other media on page 11.)
 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 84.)
Install a new toner cartridge. (See
Replacing the toner cartridge (TN-
3130/TN-3170)
on page 121.)
 Clean the primary corona wire and the drum unit. (See
Cleaning the corona
wire
on page 120 and Cleaning the drum unit on page 120.) If the print
quality has not improved, put in a new drum unit. (See
Replacing the drum
unit (DR-3100)
on page 124.)
Ghost
 Make sure that you use paper that meets our specifications. Rough-surfaced
paper or thick paper may cause this problem.
 Make sure that you choose the correct media type in the printer driver or in the
machine’s Paper Type menu setting. (See
Acceptable paper and other
media
on page 11 and Basic tab in the Software User’s Guide on the
CD-ROM.)
 Put in a new drum unit. (See
Replacing the drum unit (DR-3100) on page
124.)
Toner specks
 Make sure that you use paper that meets our specifications. Rough-surfaced
paper may cause the problem. (See
Acceptable paper and other media
on page 11.)
 Clean the primary corona wire and the drum unit. (See
Cleaning the corona
wire
on page 120 and Cleaning the drum unit on page 120.) If the print
quality has not improved, put in a new drum unit. (See
Replacing the drum
unit (DR-3100)
on page 124.)
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
C
DE
F
d
ef
g
BC
b
c
d
2
3
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
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Brother MFC-8860DN Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	28 ppm
Scan to	e-mail, file, image, OCR
Grayscale levels	256
Input color depth	48 bit
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	28 cpm
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	300
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Maximum internal memory	544 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	55 dB
Display	LCD
Market positioning	Business
Paper tray media types	Envelopes, Plain paper, Recycled paper
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
Font styles	66 Scaleable fonts, Letter, Gothic 16.66, OCR-A, OCR-B, 11 Barcodes
Dimensions (WxDxH)	531 x 450 x 475 mm
Networking features	10/100 Base-TX
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	scan, n
Compatible operating systems	Windows98(SE)/Me/2000/XP/NT4.0WS Mac OS 9.1-9.2/ OS X 10.2.4 +
Standard interfaces	USB 2.0
Power consumption (standby)	85 W
Power consumption (PowerSave)	15 W
Power consumption (average operating)	1104 W
Sustainability certificates	ENERGY STAR