Brother HL-L2372DN User Manual

ii
Confidential
4.4 Troubleshooting for Software Problems ........................................................................... 2-78
4.4.1 Unable to receive data ......................................................................................... 2-78
4.5 Troubleshooting for Network Problems ............................................................................ 2-79
4.5.1 Cannot make a print through network connection ................................................ 2-79
4.5.2 Cannot connect to access point ........................................................................... 2-79
4.6 Troubleshooting for Control Panel Problems .................................................................... 2-80
4.6.1 Nothing is displayed on the LCD .......................................................................... 2-80
4.6.2 Nothing is displayed on the LED .......................................................................... 2-80
4.6.3 Unable to perform panel operation ....................................................................... 2-80
4.7 Troubleshooting for Toner Cartridge and Drum Unit Problems ........................................ 2-81
4.7.1 New toner not detected ........................................................................................ 2-81
4.7.2 Toner cartridge not detected ................................................................................ 2-81
4.7.3 Toner replacement message displayed on LCD is not cleared ............................ 2-82
4.7.4 Drum error ............................................................................................................ 2-82
4.7.5 Drum replacement message displayed on LCD is not cleared ............................ 2-82
4.8 Troubleshooting for Fuser Unit Problems ......................................................................... 2-83
4.8.1 Fuser unit failure ................................................................................................... 2-83
4.9 Troubleshooting for Laser Unit Problems ......................................................................... 2-83
4.9.1 Laser unit failure ................................................................................................... 2-83
4.10 Troubleshooting for PCB Problems .................................................................................. 2-84
4.10.1 Main PCB failure .................................................................................................. 2-84
4.10.2 Full memory .......................................................................................................... 2-84
4.11 Troubleshooting for Other Problems ................................................................................. 2-85
4.11.1 Cannot make print ................................................................................................ 2-85
4.11.2 Cannot update firmware ....................................................................................... 2-86
4.11.3 “Paper Low” message does not disappear ........................................................... 2-86
4.11.4 Message indicating that the report is full does not disappear .............................. 2-87
4.11.5 Paper tray cannot be recognized ......................................................................... 2-87
CHAPTER 3 DISASSEMBLY/REASSEMBLY
1. SAFETY PRECAUTIONS ............................................................................................................ 3-1
2. PACKING .................................................................................................................................... 3-2
3. SCREW CATALOGUE ................................................................................................................ 3-3
4. SCREW TORQUE LIST .............................................................................................................. 3-4
5. LUBRICATION ............................................................................................................................ 3-6
6. OVERVIEW OF GEARS .............................................................................................................. 3-7
7. HARNESS ROUTING .................................................................................................................. 3-9
8. DISASSEMBLY FLOW CHART ................................................................................................ 3-16
9. DISASSEMBLY PROCEDURE ................................................................................................. 3-17
9.1 Preparation ....................................................................................................................... 3-17
9.2 Back cover ........................................................................................................................ 3-18

Brother HL-L2372DN Specifications

General

Color	No
N-up printing	2, 4, 6, 9, 16, 25
Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Duplex printing mode	Auto
Warm-up time (from sleep mode)	9 s
Print speed (black, normal quality, A4/US Letter)	34 ppm
Duplex print speed (black, normal quality, A4/US Letter)	16 ppm
Sustainability certificates	Blue Angel, ENERGY STAR
Display	LCD
Certification	Nordic Swan, GS Mark
Product color	Black
Market positioning	Home & office
Display number of lines	1 lines
Internal memory	64 MB
Noise level (ready)	30 dB
Maximum internal memory	- MB
Sound pressure level (printing)	49 dB
Sound pressure level (quiet mode)	44 dB
Power consumption (off)	0.03 W
Power consumption (ready)	48 W
Power consumption (standby)	6 W
Power consumption (printing)	510 W
Energy Star Typical Electricity Consumption (TEC)	1.227 kWh/week
Printer fonts	Barcode, Bitmap, PCL, Scalable
Maximum duty cycle	15000 pages per month
Recommended duty cycle	0 - 2000 pages per month
Page description languages	PCL 6
Quantity per pack	1 pc(s)
Package depth	360 mm
Package width	356 mm
Package height	183 mm
Package weight	7200 g
Cables included	AC
Included cartridge capacity (black)	700 pages
Cabling technology	10/100Base-T(X)
Security algorithms	SMTP-AUTH, SNMPv3, SSL/TLS
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	Apple AirPrint, Brother iPrint & Scan, Google Cloud Print, Mopria Print Service
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA(Auto IP), WINS/NetBIOS name resolution, DNS Resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, SMTP Client, IPP/IPPS, FTP Server, SNMPv1/v2c/v3, HTTP/HTTPS server, TFTP client and server, ICMP, Web Services (Print), SNTP Client
Supported network protocols (IPv6)	NDP, RA, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, SMTP Client, FTP Server, SNMPv1/v2c/v3, HTTP/HTTPS server, TFTP client and server, ICMPv6, SNTP Client, Web Services (Print)
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supported	Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Windows operating systems supported	Windows 10, Windows 7, Windows 8
Custom media width	76.2 - 215.9 mm
Custom media length	127 - 355.6 mm
Duplex media weight	60 - 105 g/m²
Paper tray media types	Plain paper, Recycled paper
Paper tray media weight	60 - 163 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
Multi-purpose tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 230 g/m²
Total input capacity	250 sheets
Total output capacity	150 sheets
Total number of input trays	1
Multi-Purpose tray input capacity	1 sheets

Weight and Dimensions

Depth	283 mm
Width	438 mm
Height	519 mm