Brother HL-5450DN Service Manual

5-38
Confidential
 Maintenance mode functions for service personnel
1.4.8 Check sensor operation
This function is to check whether the sensors or electromagnetic clutch are operating
normally. While sensor operation is being checked, the Ready LED flashes one to three times
each time the sensor or switch status changes from ON to OFF or OFF to ON.
Operate the sensor
OFF to ON as below to check the operation of the corresponding solenoid
or clutch.
<Operation Procedure>
Activate the sensors or electromagnetic clutch shown in the illustration below, and check that
the Ready LED flashes. When the status changes consecutively, the Ready LED also flashes
consecutively. When checking of the T2 paper feed sensor and new toner sensor is
completed, the Toner LED lights.
 Location of sensors
Fig. 5-12
Sensor operation Solenoid/clutch operation
Change T1 paper feed sensor from OFF to
ON.
The T1 clutch remains ON for the specified time.
Change MP paper empty sensor from OFF
to ON.
The MP solenoid remains ON for the specified
time.
Change registration front sensor from OFF
to ON.
The duplex solenoid remains ON for the specified
time.
Change registration rear sensor from OFF to
ON.
The registration clutch remains ON for the
specified time.
Change new toner sensor from OFF to ON. The develop clutch 51R remains ON for the
specified time.
Registration rear actuator
New toner actuator
Eject sensor
Toner sensor
Registration front/rear sensor
Registration front actuator
T1 paper feed actuator
MP paper
empty sensor
Back cover
sensor
New toner sensor
T1 paper feed sensor
Front cover sensor
MP paper empty actuator 2
MP paper empty
actuator 1

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