Brother HL-5450DN Service Manual

4-11
Confidential
4. IF YOU REPLACE THE HIGH-VOLTAGE
POWER SUPPLY PCB ASSY
<What to do after replacement>
• After replacement, the new high-voltage power supply PCB ASSY is no longer compatible
with the main PCB. Therefore, initialize the pre-discharge detection parameters.
 What you need to prepare
(1) One USB cable
(2) Create a temporary folder on the C drive of the computer (Windows
®
XP or higher).
(3) Download utility (FILEDG32.EXE)
Copy this into the temporary folder created on the C drive.
(4) Maintenance driver (MaintenanceDriver.zip)
When the maintenance driver is not installed, copy this into the temporary folder created
on the C drive, and extract the copied file. Refer to "APPENDIX 3 INSTALLING
MAINTENANCE DRIVER" for the installation procedure.
(5) Pre-discharge detection parameter initialization PJL file
PREDISCHAGESET_RESET.pjl
4.1 Initializing Pre-discharge Detection Parameters
(2) Connect the computer to the machine with the USB cable.
(3) Double-click "FILEDG32.EXE" on the computer to start it, and select the "Brother
Maintenance USB Printer".
(4) Drag and drop the "PREDISCHAGESET_RESET.pjl" file onto the "Brother Maintenance
USB Printer" icon.
(5) Turn OFF the power switch of the machine.
LED model
(1) Open the front cover. Press and hold
the [Go] button, and turn ON the power
switch of the machine. Check that the
Back Cover, Toner, Drum, Paper and
Error LEDs light, and release the [Go]
button. Check that all LEDs go out, and
then press the [Go] button for at least
two seconds. The Paper LED lights,
and the machine enters maintenance
mode.
LCD model
(1) While the machine is in the ready state,
press the [OK] and [Go] buttons in this
order. Then press the [ ] button four
times, and the machine enters
maintenance mode.

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