Brother MFC-8380DN Service Manual

3-56
Confidential
■ White vertical streaks
■ White horizontal streaks
<User Check>
- Clean the scanner windows of the laser unit with a soft lint-free cloth.
(Refer to Fig. 3-6.)
- Replace the toner cartridge with a new one.
- Check the machine’s environment. High temperature and high
humidity conditions can cause this problem.
- Damp (wet) paper might be used. Try to change to freshly unpacked
paper.
- Check if there is no dust in the gap between the toner cartridge and
drum frame.
Step Cause Check
Result Remedy
1
Condensation Has condensation
occurred inside the
machine?
Yes
Try to print several pages
or activate the Drum
condensation
countermeasure mode.
("5.3 Drum condensation
countermeasure mode" in
Chapter 7.)
2
Transfer failure Is the transfer roller
scratched?
Yes
Replace the drum unit.
3
Scanner
windows of laser
unit failure
Is the problem solved
after replacing the laser
unit?
Yes
Replace the laser unit.
<User Check>
- Check that the appropriate media type is selected in the printer
driver.
- The problem may disappear by itself. Try printing multiple pages to
clear this problem especially if the machine has not been used for a
long time.
- The drum unit may be damaged. Replace the drum unit with a new
one.
Step Cause Check
Result Remedy
1
Toner cartridge
electrode contact
failure
Are the electrodes on
the toner cartridge and
machine body dirty?
Yes
Clean both electrodes.
(Refer to Fig. 3-2, Fig. 3-3.)
2
Drum unit
electrode contact
failure
Are the electrodes on
the drum unit and
machine body dirty?
Yes
Clean both electrodes.
(Refer to Fig. 3-2, Fig. 3-3.)

Brother MFC-8380DN 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)	30 ppm
Scan to	e-mail, FTP, OCR, USB
Input color depth	48 bit
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	4, 9, 16, 25
Copy speed (black, normal quality, A4)	30 cpm
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Total input capacity	500 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	20 sheets
Internal memory	64 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Display	LCD
Market positioning	Home & office
Custom media sizes	(69.8 - 216) x (116 - 406.4) mm
Dimensions (WxDxH)	531 x 451 x 475 mm
Networking features	10/100 Base-TX
All-in-one functions	Copy, Fax, Scan
Maximum internal memory	0.576 GB
Color all-in-one functions	scan, n
Compatible operating systems	Linux, Windows 2000, XP/2003, Vista, XP, Mac OS X 10.3.9
Maximum print size	216 x 297 mm
Media weight (tray 1)	60 - 105 gsm
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Supported network protocols (IPv4)	IPv4, IPv6
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	1
Power consumption (standby)	85 W
Power consumption (PowerSave)	19 W
Power consumption (average operating)	680 W
Package weight	21100 g