Brother MFC-8860DN Servise Manual

Confidential
9-38
(I-13) Image distortion
Possible cause
Step
Check
Result
Remedy
Laser unit
installation
1 Is the laser unit secured to
the frame incorrectly?
(Check if there is any
play.)
Yes Secure the unit correctly and
tighten the screws.
Scanner LD
emission
failure
Scanner motor
rotation
failure
2 Is the laser diode or the
scanner motor defective?
Yes Replace the laser unit.
Scanner
connection
failure
3 Is the scanner harness
connected properly?
(Check if it is coming
loose.)
No Connect the harness correctly.
(I-14) Faint print
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
Possible cause
Step
Check
Result
Remedy
Dirt on the
ADF glass or
document
glass
1 Is the ADF glass or
document glass dirt?
Yes
Clean the ADF glass or document
glass.
Machine
installation
2 Is the machine placed
horizontally?
No Place the machine on a flat
surface.
Toner
cartridge
3 Does the problem happen
immediately after replacing
the toner cartridge with a
new one?
Yes Remove and carefully shake the
toner cartridge horizontally.
Scanner
window dirty
4 Is the scanner window
dirty?
Yes Clean the scanner window with a
soft dry cloth.
Laser unit
failure
5 Is the problem solved by
replacing the laser unit?
Yes Replace the laser unit.

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