Brother HL-5350DN Service Manual

Confidential
CHAPTER 5 DISASSEMBLY/REASSEMBLY
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. PACKING ......................................................................................................................5-2
3. SCREW TORQUE LIST ................................................................................................ 5-3
4. LUBRICATION .............................................................................................................. 5-5
5. GEAR LAYOUT DRAWING .......................................................................................... 5-7
6. HARNESS ROUTING.................................................................................................... 5-8
7. DISASSEMBLY FLOW CHART .................................................................................. 5-18
8. DISASSEMBLY PROCEDURE ................................................................................... 5-19
8.1 Paper Tray ................................................................................................................. 5-20
8.2 Back Cover ................................................................................................................ 5-23
8.3 Rear Chute ASSY ...................................................................................................... 5-25
8.4 Fuser Unit .................................................................................................................. 5-27
8.5 Tray MP ASSY ........................................................................................................... 5-31
8.6 MP Tray Cover ASSY/Process Cover ASSY/Emblem cover ..................................... 5-32
8.7 Access Cover/Side Cover L ....................................................................................... 5-35
8.8 Main PCB................................................................................................................... 5-36
8.9 Side Cover R.............................................................................................................. 5-37
8.10 Top Cover Printed ASSY (LED model) ...................................................................... 5-38
8.10.1 Panel PCB ASSY ........................................................................................... 5-39
8.10.2 SW Key A/B ................................................................................................... 5-39
8.10.3 Inner Chute/Pinch Roller Holder .................................................................... 5-41
8.11 Top Cover Printed ASSY/Panel Plate Printed ASSY (LCD model)............................ 5-42
8.11.1 Inner Chute/Pinch Roller Holder .................................................................... 5-43
8.11.2 Panel PCB ASSY ........................................................................................... 5-45
8.11.3 SW Key A/B/C /Set Key Printed ASSY .......................................................... 5-46
8.11.4 LCD Holder ASSY.......................................................................................... 5-49
8.12 Gear Plate Calking ASSY/Develop Joint/Main Motor ASSY...................................... 5-51
8.13 Main Shield Plate ASSY ............................................................................................ 5-53
8.14 Relay Rear PCB ASSY/Connector ............................................................................ 5-56
8.15 Relay Front PCB ASSY ............................................................................................. 5-58
8.16 Drive Release Link..................................................................................................... 5-59

Brother HL-5350DN Specifications

General

Color	No
N-up printing	4, 9, 16, 25
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
Internal memory	32 MB
Processor model	NEC VR5500
Maximum internal memory	544 MB
Sound power level (standby)	35 dB
Sound pressure level (printing)	54 dB
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Maximum print size	216 x 356 mm
Media weight (tray 1)	60 - 105 g/m²
Non-ISO print media sizes	Letter
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
Supported network protocols (IPv4)	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 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, WebServicesPrint, IPv6: NDP, RA, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP 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, WebServicesPrint
Networking features	10/100 Base-TX
Power consumption (active)	675 W
Compatible operating systems	Windows: Vista, 2000 Prof., XP Home Edition, XP Prof. Edition (32 & 62 bits), Server 2003 (32 & 64 bits), Server 2008. MacIntosh: Mac OS X 10.3.9 + Linux
Power consumption (standby)	75 W
Power consumption (PowerSave)	6 W
Package weight	11500 g

Weight and Dimensions

Dimensions (WxDxH)	371 x 384 x 246 mm