Brother HL-5450DN Service Manual

3-14
Confidential
8. DISASSEMBLY FLOW CHART
Disassembly / Re-Assembly (second)
9.2 Paper tray 1
5/5
9.34 T1 roller holder
ASSY
5/10
9.5 MP paper guide
ASSY
5/5
9.37 MP roller holder
ASSY / MP separation
pad ASSY / MP
separation pad spring
20/40
9.29 New toner
actuator
10/20
9.12 Wireless LAN
PCB
5/10
9.14 Main PCB ASSY
15/20
9.15 Laser unit
15/15
9.10 Panel light guide
10/10
9.10 SW key printed
ASSY
10/10
9.11 Paper stack lever
10/10
9.19 Air duct / Filter
5/5
9.25 LT drive gear 29
5/5
9.36 Eject sensor PCB
ASSY
15/15
9.24 Develop joint gear
37 / Develop joint
10/10
9.18 Main fan
15/30
9.23 Main motor ASSY
15/15
9.26 Toner sensor PCB
ASSY
10/10
9.27 MP solenoid
10/20
9.28 Develop clutch
51R / Develop one way
clutch 53
15/15
9.30 Fuser drive gear
39
5/5
9.31 Duplex solenoid/
Duplex solenoid lever
30/40
9.32 Back cover sensor
10/15
9.33 LT connector (T1)
10/10
9.40 Registration front/
rear sensor PCB ASSY
/ Registration front
actuator / Registration
rear actuator /
Registration actuator
spring
60/80
9.13 Fuser unit line
cover R
5/5
9.4 Fuser cover
5/5
9.3 Outer chute
5/5
9.3 Back cover
5/10
9.13 Fuser unit line
cover L
5/5
9.13 Rear nip release
link
5/5
9.13 Fuser unit
5/5
9.20 Relay front PCB
ASSY
15/40
9.5 MP cover ASSY
5/10
9.7 Side cover L /
Access cover
10/10
9.9 Main shield cover
plate
15/15
9.21 Registration clutch
15/30
9.21 T1 clutch
15/30
9.22 Registration roller
10/10
9.22 Under bar
10/10
9.8 Side cover R
10/10
9.16 Scanner earth
plate
10/10
9.16 LV shield plate
cover
15/15
9.16 LVPS insulation
sheet
5/5
9.16 Low-voltage power
supply PCB ASSY
30/50
9.17 LV shield plate
15/15
9.17 Hold cover 1
5/5
9.10 Inner chute ASSY
10/10
9.9 Top cover ASSY
15/10
9.6 Front cover ASSY
10/15
9.22 Main PCB
insulation sheet
5/10
9.30 Main PCB shield
calking ASSY
15/15
9.35 Base plate
25/25
9.22 Main frame L
ASSY
60/90
9.17 Toner LED PCB
ASSY
60/80
9.23 Drive sub ASSY
10/10
9.39 MP feed frame
20/30
9.38 T1 paper feed
sensor PCB ASSY / T1
paper feed actuator /
T1 paper feed actuator
spring
60/80
9.39 MP paper empty
sensor PCB ASSY / MP
paper empty actuator 1
/ MP paper empty
actuator 2
60/80
9.35 HV insulation
sheet
5/10
9.10 Panel PCB ASSY
10/10
9.35 High-voltage
power supply PCB
ASSY
15/10

Brother HL-5450DN Specifications

General

Color	No
N-up printing	2, 4, 9, 16, 25
Duplex printing	Yes
Print technology	Laser
Maximum resolution	2400 x 600 DPI
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	38 ppm
Duplex print speed (black, normal quality, A4/US Letter)	9 ppm
Maximum duty cycle	- pages per month
Recommended duty cycle	1000 - 3500 pages per month
Number of print cartridges	1
Memory type	DDR2
Processor family	Star Sapphire
Maximum internal memory	320 MB
Sound power level (standby)	34 dB
Sound pressure level (printing)	59 dB
Sound pressure level (quiet mode)	54 dB
Total input capacity	250 sheets
Total output capacity	150 sheets
Maximum input capacity	800 sheets
Total number of input trays	2
Multi-Purpose tray input capacity	50 sheets
Custom media width	76.2 - 215.9 mm
Maximum print size	216 x 356 mm
Custom media length	127 - 355.6 mm
Paper tray media types	Plain paper, Recycled paper
Paper tray media weight	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
Multi-purpose tray media types	Bond paper, Envelopes, Heavyweight paper, Labels, Plain paper, Recycled paper
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.41 W
Power consumption (standby)	4.7 W
Power consumption (printing)	665 W
Power consumption (PowerSave)	0.6 W
Package weight	11.900 g
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Dimensions (WxDxH)	371 x 384 x 245 mm