Brother HL-2250DN Service Manual

2-44
Confidential
4.6 Fuser Unit Problems
4.6.1 Fuser Unit failure
4.7 Laser Unit Problems
4.7.1 Laser Unit failure
Step Cause Remedy
1
Harness connection failure between
fuser unit connector and paper eject
sensor PCB ASSY
Check the harness connection between
fuser unit connector and paper eject
sensor PCB ASSY, and reconnect it.
2
Harness connection failure between
fuser unit connector and low voltage
power supply PCB ASSY
Check the harness connection between
fuser unit connector and low voltage power
supply PCB ASSY, and reconnect it.
3
Harness connection failure between
paper eject sensor PCB ASSY and
main PCB.
Check the harness connection between
paper eject sensor PCB ASSY and main
PCB, and reconnect it.
4
Paper eject sensor PCB ASSY
failure
Replace the paper eject sensor PCB
ASSY.
5
Low voltage power supply PCB
ASSY failure
Replace the low voltage power supply
PCB ASSY.
6 Main PCB failure Replace the main PCB ASSY.
7 Fuser unit failure Replace the fuser unit.
CAUTION :
• Turn off the power switch once, and after checking that the fuser unit sufficiently cools
down, turn on the power switch again and leave the printer for ten minutes. Then, this
problem may be cleared.
Turn the power on while pressing the [Go] button, when the front cover is open. After
Toner, Drum and Error LEDs light up, release the [Go] button. Check that all LEDs go
off, press the [Go] button once, and after all LEDs light up again, press the [Go] button
once again. Then, this problem may be cleared. However, be careful because the fuser
unit melts if the fuser unit does not sufficiently cool down.
User Check
• There is a possibility that the condensation has occurred. Turn off the power, and leave
the machine at least one hour in a well-ventilated place. And then turn on the power.
Step Cause Remedy
1
Harness connection failure of laser
unit
Check the harness connection of the
laser unit, and reconnect them.
2 Main PCB failure Replace the main PCB ASSY.
3 Laser unit failure Replace the laser unit.

Brother HL-2250DN Specifications

General

Color	No
N-up printing	2, 4, 6, 25
Print technology	Laser
Maximum resolution	2400 x 600 DPI
Economical printing	Yes
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	26 ppm
Duplex print speed (black, normal quality, A4/US Letter)	5 ppm
Maximum internal memory	- MB
Sound power level (standby)	31 dB
Sound pressure level (printing)	53 dB
Total input capacity	250 sheets
Total output capacity	100 sheets
Total number of input trays	1
Maximum duty cycle	- pages per month
Page description languages	PCL 6
Custom media width	76.2 - 216 mm
Maximum print size	216 x 406 mm
Custom media length	116 - 406.4 mm
Paper tray media types	Bond paper, 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, Transparencies
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Sustainability certificates	ENERGY STAR
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	65 W
Power consumption (printing)	495 W
Power consumption (PowerSave)	0.9 W
Package weight	8300 g
Operating temperature (T-T)	10 - 32.5 °C
Operating relative humidity (H-H)	20 - 80 %
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.
Mac operating systems supported	Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard
Server operating systems supported	Windows 2000 Advanced Server, Windows 2000 Server, Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64
Windows operating systems supported	Windows 2000 Professional, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64

Weight and Dimensions

Dimensions (WxDxH)	368 x 360 x 183 mm