Brother MFC-8380DN Service Manual

i
Confidential
PREFACE
This service manual contains basic information required for after-sales service of the Laser
Multi-Function Center (hereinafter referred to as "the machine"). This information is vital to the
service personnel to maintain the high printing quality and performance of the machine.
This service manual covers the DCP-8070D/8080DN/8085DN, MFC-8370DN/8380DN/
8480DN/8880DN/8890DW machines.
This manual consists of the following chapters:
CHAPTER 1: SPECIFICATIONS
Provides specifications of each model, which enables you to make a comparison of the
different models.
CHAPTER 2: THEORY OF OPERATION
Gives an overview of the printing mechanisms as well as the sensors, actuators, and control
electronics. It aids in understanding the basic principles of operations as well as locating
defects for troubleshooting.
CHAPTER 3: ERROR INDICATION AND TROUBLESHOOTING
Details of error messages and codes that the incorporated self-diagnostic function of the
machine will display if any error or malfunction occurs. If any error message appears, refer
to this chapter to find which parts should be checked or replaced.
The latter half of this chapter provides sample problems that could occur in the main sections
of the machine and related troubleshooting procedures.
CHAPTER 4: PERIODICAL MAINTENANCE
Details of consumable parts and periodical maintenance parts. This chapter also covers
procedures for disassembling and assembling periodical maintenance parts.
CHAPTER 5: DISASSEMBLY/REASSEMBLY
Details of procedures for disassembling and assembling of the machine together with related
notes. The disassembly order flow provided enables you to see at a glance the quickest way
to get to parts involved.
At the start of a disassembly job, you can check the disassembly order flow that guides you
through a shortcut to get to the object parts.
This chapter also covers screw tightening torques and lubrication points to which the
specified lubrications should be applied during assembly jobs.
CHAPTER 6: ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED
AFTER PARTS REPLACEMENT
Details of adjustments and updating of settings, which are required if the main PCB and
some other parts have been replaced. This chapter also covers how to update the firmware.
CHAPTER 7: SERVICE FUNCTIONS
Describes the maintenance mode which is exclusively designed for the purpose of checking
the settings and adjustments using the keys on the panel.
This chapter also covers hidden function menus, which activate settings and functions or
reset the parts life.

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