Brother MFC-8860DN Service Manual

Confidential
9-17
9.2.4 Troubleshooting Based on Problem Type
9.2.4.1 Paper feeding problems
Even if the paper is printed and ejected without any problems such as paper jams, paper feeding
problems below may appear.
Users can clear these problems by following the ‘User Check’ items for each problem. Even if the
same problem occurs again, follow the procedures in the table below.
(1) Double feeding
User Check
Check the paper used meets the recommended paper specifications. (Refer to 2.1.2 “Paper
Specifications” in Chapter 2.)
Possible cause
Step
Check
Result
Remedy
Separation pad 1 Is the surface of the
separation pad worn out?
Yes Replace the separation pad.
(2) Wrinkles or creases
User Check
(1) Check that paper is loaded into the paper tray correctly.
(2) Check the paper used meets the recommended paper specifications. (Refer to 2.1.2 “Paper
Specifications” in Chapter 2.)
(3) Try printing using the straight-through output path.
(4) Turn over the stack of paper in the tray or try rotating the paper 180° in the tray.
(5) For the envelope, check the setting of the nip action in the fuser unit.
Possible cause
Step
Check
Result
Remedy
Paper 1 Is the problem solved if
new paper is used?
Yes Instruct the user how to store
paper so that it does not absorb
moisture.
Fuser unit
entrance guide
2 Is the entrance guide dirty? Yes Clean the entrance guide.
Yes Clean the pressure roller. Fuser unit 3 Is the pressure roller dirty?
No Replace the fuser 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