Brother MFC-8860DN Servise Manual

Confidential
9-39
(I-15) White spots
User Check
(1) If the problem is not solved after printing a few pages, the drum unit may
have glue from label stock on the exposure drum surface. Refer to Step 1
in the table below and NOTE in the next page.
(2) The drum unit may be damaged. Install a new drum unit.
Possible cause
Step
Check
Result
Remedy
1 Are the white spot at
94.2mm intervals?
Yes
1) If toner or glue remains stuck,
wipe it off gently with a cotton
swab. (Refer to NOTE in the
next page.)
2) If the drum surface is
scratched, replace the drum
unit.
Drum unit
failure
2 Is the problem solved after
replacing the drum unit?
Yes Replace the drum unit.
No toner 3 Is the toner in the toner
cartridge almost empty?
Yes Replace the toner cartridge with a
new one.
Print paper 4 Is the problem solved after
changing to specified
freshly unpacked paper?
No Damp (wet) paper might be used.
Recommend to change freshly
unpacked paper.
Environment 5 Does the problem still
appear after the machine
has warmed up?
Yes
1) Replace the drum unit.
2) Advise the user of the specified
machine environment

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