Brother MFC-8860DN Service Manual

Confidential
9-44
(I-19) Hollow print
User Check
(1) Check the paper used meets the recommended paper specifications.
(2) Select the ‘Thick paper mode’ in the printer driver, or use thinner paper
than you are currently using.
(3) Check the machine’s environment, conditions such as high humidity may
cause this situation to occur.
Possible cause
Step
Check
Result
Remedy
Yes
Recommend to use the specified
types of paper.
Print paper 1 Is thick paper of more than
43lb being used or
extremely rough surface
paper?
No
Refer and compare with I-15.
(I-20) Downward fogging of solid black
Possible cause
Step
Check
Result
Remedy
Toner
cartridge
failure
1 Is the problem solved after
replacing the toner
cartridge?
Yes
Replace the toner cartridge.
High-voltage
power supply
PCB failure
2 Is the problem solved after
replacing the high-voltage
power supply PCB?
Yes
Replace the high-voltage power
supply PCB.
(I-21) Horizontal lines
Possible cause
Step
Check
Result
Remedy
Paper tray
contacts
1 Are the ground contacts on
the right side of the paper
tray connecting correctly?
No Clean the contacts.
Drum unit 2 Are the high-voltage power
supply and drum unit
contacted correctly?
No Clean the contacts.

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