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Brother HL-L2370DN Service Manual

Brother HL-L2370DN
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2-1
Confidential
CHAPTER 2 ERROR INDICATIONS AND
TROUBLESHOOTING
1. INTRODUCTION
Troubleshooting is the countermeasure procedures that the service personnel should follow if
an error or malfunction occurs with the machine. It is impossible to anticipate all of the possible
troubles which may occur in future and determine the troubleshooting procedures, so this
chapter covers some sample troubles. However, those samples will help the service personnel
pinpoint and repair other defective elements.
1.1 Precautions
Be sure to observe and follow all the precautions to prevent any secondary problems from
happening during troubleshooting.
(1) Always turn OFF the power and unplug the power cable before removing any covers or
PCBs, adjusting the machine and so on. If you need to take voltage measurements with the
power switched on, take the greatest of care not to receive an electric shock.
(2) When connecting or disconnecting cable connectors, make sure that you hold the
connector body and not the cables.
(3) Static electricity charged in your body may damage electronic parts. Before handling the
PCBs, touch a metal portion of the machine to discharge static electricity charged in your
body. When transporting PCBs, be sure to wrap them in conductive sheets.
When replacing the PCBs, put on a grounding wrist band and perform the job on an
antistatic mat. Also take care not to touch the conductor sections on the flat cables.
(4) Follow the warning by all means.
Warning
Hazard labels as shown below are attached to the machine. Fully understand the
descriptions on the hazard labels and observe them during troubleshooting.
Take extreme care not to remove or damage the hazard labels.

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Brother HL-L2370DN Specifications

General IconGeneral
N-up printing2, 4, 9, 16, 25
Duplex printingYes
Print technologyLaser
Maximum resolution2400 x 600 DPI
Duplex printing modeAuto/Manual
Time to first page (black, normal)8.5 s
Print speed (black, normal quality, A4/US Letter)34 ppm
Printing colorsBlack
Maximum duty cycle- pages per month
Recommended duty cycle250 - 2000 pages per month
Number of print cartridges1
Page description languagesPCL 6
DisplayLCD
Display number of lines1 lines
Power consumption (off)0.03 W
Power consumption (standby)48 W
Power consumption (printing)510 W
Power consumption (PowerSave)265 W
Energy Star Typical Electricity Consumption (TEC)1.227 kWh/week
Maximum internal memory- MB
Sound pressure level (printing)49 dB
Sound pressure level (quiet mode)44 dB
Paper tray media typesPlain paper, Recycled paper, Thick paper, Thin paper
Paper tray media weight60 - 163 g/m²
ISO A-series sizes (A0...A9)A4, A5, A6
Multi-purpose tray media typesBond paper, Envelopes, Labels, Plain paper, Recycled paper, Thick paper, Thicker paper, Thin paper
Maximum ISO A-series paper sizeA4
Multi-Purpose Tray media weight60 - 230 g/m²
Cabling technology10/100Base-T(X)
Ethernet LAN data rates10, 100 Mbit/s
Mobile printing technologiesApple AirPrint, Google Cloud Print, Mopria Print Service
Standard interfacesEthernet, USB 2.0
USB 2.0 ports quantityUSB 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.
Package depth283 mm
Package width438 mm
Package height519 mm
Package weight8300 g
Sustainability certificatesBlue Angel, ENERGY STAR
Cables includedAC
Included cartridge capacity (black)700 pages
Total input capacity250 sheets
Total output capacity150 sheets
Mac operating systems supportedMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra
Server operating systems supportedWindows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2, Windows Server 2012 x64, Windows Server 2016
Windows operating systems supportedWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
Harmonized System (HS) code84433210
Weight and Dimensions IconWeight and Dimensions
Depth360 mm
Width356 mm
Height183 mm

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