Brother DCP 8085DN Service Manual

Confidential
CHAPTER 5 PERIODIC MAINTENANCE
This chapter details procedures for disassembling and reassembling the machine together
with related notes. The disassembly order flow provided enables you to see at a glance the
quickest way to get to component(s) involved.
At the start of a disassembly job, you check the disassembly order flow that guides you
through a shortcut to the object components.
This chapter also covers screw tightening torques and lubrication points to which the
specified lubricants should be applied during reassembly jobs.
CONTENTS
1. SAFETY PRECAUTIONS ............................................................................................. 5-1
2. TRANSFERRING RECEIVED FAX DATA .................................................................... 5-2
3. PACKING ......................................................................................................................5-4
4. SCREW TORQUE LIST ................................................................................................5-5
5. LUBRICATION ..............................................................................................................5-8
6. GEAR LAYOUT DRAWING ........................................................................................ 5-10
7. HARNESS ROUTING.................................................................................................. 5-11
8. DISASSEMBLY FLOW CHART .................................................................................. 5-29
9. DISASSEMBLY PROCEDURE ...................................................................................5-30
9.1 Paper Tray .........................................................................................................5-31
9.2 Back Cover ........................................................................................................5-34
9.3 Rear Chute ASSY ..............................................................................................5-36
9.4 Fuser Unit .......................................................................................................... 5-38
9.5 Tray MP ASSY ...................................................................................................5-42
9.6 MP Tray Cover ASSY/Process Cover ASSY/Emblem cover .............................5-43
9.7 Access Cover/Side Cover L ...............................................................................5-46
9.8 ADF Unit ............................................................................................................ 5-47
9.9 Hinge Arm R ......................................................................................................5-48
9.10 Hinge Base R.....................................................................................................5-49
9.11 Hinge ASSY L ....................................................................................................5-49
9.12 ADF Cover ASSY...............................................................................................5-50
9.13 ADF Side Cover F..............................................................................................5-50
9.14 ADF Side Cover R ............................................................................................. 5-51
9.15 ADF Chute ASSY...............................................................................................5-52
9.16 SB Chute ASSY (For the models with the DX only) /
SX Chute (For the models with out the DX only) ...............................................5-54
9.17 Exit Chute Cover ASSY ..................................................................................... 5-54
9.18 Earth Spring .......................................................................................................5-55
9.19 PF Roller Holder ASSY...................................................................................... 5-56
9.20 LF Roller 1 ASSY...............................................................................................5-57

Brother DCP 8085DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	30 ppm
Scan to	CIFS, E-mail, FTP, Image, OCR, USB
Scanner type	Flatbed scanner
Grayscale levels	256
Input color depth	48 bit
Output color depth	24 bit
Image formats supported	BMP, JPG
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
N-in-1 copy function (N=)	2
Copy speed (black, normal quality, A4)	30 cpm
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Internal memory	64 MB
Maximum internal memory	576 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Display	TFT
Market positioning	Business
Maximum print size	216 x 356 mm
Media weight (tray 1)	60 - 105 g/m²
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Transparencies
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
Multi-Purpose Tray media weight	60 - 163 g/m²
Dimensions (WxDxH)	531 x 451 x 475 mm
All-in-one functions	Copy, Scan
Compatible operating systems	Windows 2000 Professional, XP Home Edition, XP Professional Edition, XP professional x64 Edition, Vista Mac OS X 10.3.9 + Linux
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA(Auto IP), WINS/NetBIOS name resolution, DNS Resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and Server, TELNET Server, HTTP/HTTPS server, SSL/TLS, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD responder, Web Services (Print), CIFS Client, SNTP
Supported network protocols (IPv6)	NDP, RA, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and Server, TELNET Server, HTTP/HTTPS server, SSL/TLS, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMPv6, LLTD responder, Web Services (Print), CIFS Client, SNTP
Standard interfaces	Ethernet, Parallel, USB 2.0
USB 2.0 ports quantity	1
Bundled software	Brother MFL-pro suite in Windows: BrotherControlCentre 3 Scansoft Paperport 11SE + OCR, Macintosh:BrotherControlCentre 2 Newsoft Presto! Page manager 7
Power consumption (standby)	85 W
Power consumption (PowerSave)	16 W
Power consumption (average operating)	680 W
Package weight	21800 g
Maximum duty cycle	30000 pages per month
Page description languages	BR-Script 3, Epson FX, IBM ProPrinter, PCL 6