Brother HL-5450DN Service Manual

Confidential
9.21 Registration clutch / T1 clutch................................................................................... 3-46
9.22 Main frame L ASSY .................................................................................................. 3-47
9.23 Main motor ASSY ..................................................................................................... 3-49
9.24 Develop joint gear 37 / Develop joint ........................................................................ 3-51
9.25 LT drive gear 29 ........................................................................................................ 3-52
9.26 Toner sensor PCB ASSY .......................................................................................... 3-53
9.27 MP solenoid .............................................................................................................. 3-54
9.28 Develop clutch 51R / Develop one way clutch 53..................................................... 3-55
9.29 New toner actuator.................................................................................................... 3-56
9.30 Fuser drive gear 39................................................................................................... 3-57
9.31 Duplex solenoid ........................................................................................................ 3-59
9.32 Back cover sensor .................................................................................................... 3-60
9.33 LT connector (T1)...................................................................................................... 3-61
9.34 T1 roller holder ASSY ............................................................................................... 3-62
9.35 High-voltage power supply PCB ASSY..................................................................... 3-63
9.36 Eject sensor PCB ASSY ........................................................................................... 3-66
9.37 MP roller holder ASSY / MP separation pad ASSY / MP separation pad spring ...... 3-67
9.38 T1 paper feed sensor PCB ASSY /
T1 paper feed actuator / T1 paper feed actuator spring ........................................... 3-68
9.39 MP paper empty sensor PCB ASSY /
MP paper empty actuator 1 / MP paper empty actuator 2 ........................................ 3-70
9.40 Registration front/rear sensor PCB ASSY / Registration front actuator /
Registration rear actuator / Registration actuator spring .......................................... 3-73
10. DISASSEMBLY PROCEDURE (LT UNIT) .................................................................. 3-76
10.1 Paper tray 2 .............................................................................................................. 3-76
10.2 T2 roller holder ASSY ............................................................................................... 3-78
10.3 T2 side cover L ......................................................................................................... 3-79
10.4 T2 side cover R......................................................................................................... 3-80
10.5 T2 front cover ASSY ................................................................................................. 3-81
10.6 T2 relay PCB ASSY .................................................................................................. 3-82
10.7 T2 clutch ...................................................................................................................3-83
10.8 T2 paper feed sensor PCB ASSY............................................................................. 3-84
10.9 T2 back cover ........................................................................................................... 3-88
10.10 LT connector ASSY (T2) ........................................................................................... 3-89

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