Brother DCP-L2550DW User Manual

iii
Confidential
4.13.3 Communication error occurs .............................................................................. 2-114
4.13.4 Receive buffer full during receiving into memory ............................................... 2-114
4.14 Troubleshooting for Other Problems ............................................................................... 2-115
4.14.1 Cannot make print .............................................................................................. 2-115
4.14.2 Cannot update firmware ..................................................................................... 2-116
4.14.3 “Paper Low” message does not disappear ......................................................... 2-116
4.14.4 Message indicating that the report is full does not disappear ............................ 2-117
4.14.5 Paper tray cannot be recognized ....................................................................... 2-117
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 ................................................................................................ 3-22
9. DISASSEMBLY PROCEDURE ................................................................................................. 3-23
9.1 Preparation ....................................................................................................................... 3-23
9.2 Cord hook ......................................................................................................................... 3-25
9.3 Back cover ........................................................................................................................ 3-26
9.4 Outer chute ASSY ............................................................................................................ 3-27
9.5 Front cover ASSY / Support flap ....................................................................................... 3-28
9.6 Side cover R ..................................................................................................................... 3-31
9.7 Fuser cover ....................................................................................................................... 3-32
9.8 Inner chute ASSY ............................................................................................................. 3-33
9.9 Side cover L / Speaker harness ASSY /
Handset holder ASSY (For models with Handset) ............................................................ 3-34
9.10 Document scanner unit ..................................................................................................... 3-37
9.11 ADF unit (For models with ADF) ....................................................................................... 3-40
9.11.1 ADF unit ............................................................................................................... 3-40
9.11.2 ADF cover ASSY / Document stopper ................................................................. 3-43
9.11.3 Document sub tray ............................................................................................... 3-44
9.11.4 Document separate roller ASSY .......................................................................... 3-46
9.11.5 ADF separation holder ASSY ............................................................................... 3-47
9.11.6 Second side CIS unit / Second side CIS flat cable
(Only for models with duplex scanning) ............................................................... 3-48
9.12 Document cover ASSY (For models without ADF) ........................................................... 3-53
9.13 Panel unit (For Touch panel models) ................................................................................ 3-55
9.13.1 Panel unit ............................................................................................................. 3-55

Brother DCP-L2550DW Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	2400 x 600 DPI
Poster printing function	No
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	36 ppm
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
N-in-1 copy function (N=)	2, 4
Copy speed (black, normal quality, A4)	36 cpm
Scan to	E-mail, File, Image
Scan drivers	SANE, TWAIN
Scanner type	Flatbed & ADF scanner
Scan speed (black)	22.5 ppm
Scan speed (color)	7.5 ppm
Image formats supported	BMP, JPEG, PNG, TIF, TIFF
Document formats supported	PDF, XML, XPS
Optical scanning resolution	1200 x 1200 DPI
Printing colors	Black
Maximum duty cycle	15000 pages per month
Number of print cartridges	1
Page description languages	BR-Script 3, GDI, PCL 6, PDF 1.7
Sustainability certificates	ENERGY STAR
Display	LCD
Market positioning	Home & office
Display number of lines	2 lines
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology	10/100Base-T(X)
Security algorithms	64-bit WEP, 128-bit WEP, WPA-PSK
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	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/Port 9100, IPP, FTP Client and Server, TELNET Server, SNMPv1/v2c/v3, HTTP Server, TFTP Client and Server, SMTP Client, ICMP, Web Services (Print/Scan)
Supported network protocols (IPv6)	NDP, RA, DNS Resolver, mDNS, LLMNR Responder, LPR/LPD, Custom Raw Port/Port 9100, IPP, FTP Server, SNMPv1/v2c, TFTP Client and Server, SMTP Client, ICMPv6, LLTD Responder, Web Services (Print/Scan)
Bundled software	Nuance
Included cartridge capacity (black)	700 pages
Quantity per pack	1 pc(s)
Internal memory	128 MB
Processor frequency	600 MHz
Sound pressure level (printing)	50 dB
Operating relative humidity (H-H)	20 - 80 %
AC input voltage	120 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.02 W
Power consumption (ready)	43.5 W
Power consumption (sleep)	0.8 W
Power consumption (copying)	440 W
Power consumption (printing)	420 W
Power consumption (average operating)	- W
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	100 sheets
Auto document feeder (ADF) input capacity	50 sheets
Paper tray media types	-
ISO A-series sizes (A0...A9)	A4, A5, A6
Multi-purpose tray media types	Executive, Legal, Letter
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 230 g/m²
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra
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, Windows 8.1

Weight and Dimensions

Depth	398.8 mm
Width	408.9 mm
Height	317.5 mm
Weight	11612 g