Brother MFC-8860DN Service Manual

Confidential
9-41
NOTE: Clean the drum unit as follows.
(1) Put the print sample in front of the drum unit, and find the exact position of the poor print.
Fig. 9-3
<Examples of poor print quality>
94mm
(3.7in.)
94mm
(3.7in.)
94mm
(3.7in.)
94mm
(3.7in.)
Fig. 9-4
(2) Turn the drum unit gear by hand while looking at the surface of the OPC drum.
Fig. 9-5
(3) When you have found the mark on the drum that matches the print sample, wipe the surface of
the OPC drum with a cotton swab until the dust or paper powder on the surface comes off.
Fig. 9-6
CAUTION
DO NOT clean the surface of the photosensitive drum with a sharp object.
White Spots on black text and
graphics at 94 mm (3.7 in.) intervals
Black Spots at 94 mm (3.7 in.) intervals

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