Brother DCP-8155DN Service Manual

2-74
Confidential
 Faulty registration
 Dark
<User Check>
- Check that the appropriate paper type is selected in the
driver.
Step Cause Remedy
1
Adjusted value of the laser unit is
incorrect.
Refer to "2.1 Entering Adjusted Value of
Laser Unit" in Chapter 4, and enter the
adjusted value of the laser unit again.
2
Registration rear actuator caught in
some sections of the machine
Reattach the registration rear actuator.
3 Laser unit failure Replace the laser unit.
<User Check>
- Check the usage environment of the machine. Using the machine in
high temperature and humidity conditions can cause this problem.
- Clean the corona wire.
- If a new toner cartridge has been set, check whether it was replaced
with a used toner cartridge.
- Adjust the density using the Density Adjustment.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
Step Cause Remedy
1
Dirt on electrodes of the drum unit Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 2-10 or
Fig. 2-11.)
2
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
3 Laser unit failure Replace the laser unit.
4 Main PCB failure Replace the main PCB ASSY.

Brother DCP-8155DN Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	40 ppm
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4
Copy speed (black, normal quality, A4)	40 cpm
Scan to	E-mail, File, FTP, Image, OCR, USB
Scanner type	Flatbed scanner
Input color depth	48 bit
Output color depth	24 bit
Scan speed (black)	33.5 ppm
Scan speed (color)	22.4 ppm
Maximum scan resolution	19200 x 19200 DPI
Faxing	No
Maximum duty cycle	3500 pages per month
Page description languages	BR-Script 3, Epson FX, IBM ProPrinter, PCL 6
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	150 sheets
Maximum input capacity	500 sheets
Auto document feeder (ADF) input capacity	50 sheets
Custom media width	76.2 - 215.9 mm
Maximum print size	216 x 356 mm
Custom media length	127 - 355.9 mm
Paper tray media types	Plain paper, Recycled paper, Thin paper
Paper tray media weight	60 - 105 g/m²
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Auto Document Feeder (ADF) media weight	64 - 90 g/m²
Display	LCD
Product color	Black
Market positioning	Business
Display number of lines	5 lines
Display number of characters	22
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Mobile printing technologies	Not supported
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA, DNS, mDNS, LLMNR, LPR/LPD, SMTP, IPP/IPPS, FTP, CIFS, TELNET, SNMPv1/v2c/v3, HTTP/HTTPS, TFTP, ICMP, SNTP
Supported network protocols (IPv6)	NDP, RA, DNS, mDNS, LLMNR, LPR/LPD, IPP/IPPS, FTP, CIFS, TELNET, SNMPv1/v2c/v3, HTTP/HTTPS, TFTP, SMTP, ICMPv6, SNTP
Internal memory	128 MB
Card reader integrated	-
Maximum internal memory	384 MB
Sound pressure level (printing)	59 dB
Power consumption (PowerSave)	1.4 W
Power consumption (average operating)	694 W
Mac operating systems supported	Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion
Server operating systems supported	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64
Windows operating systems supported	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 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise 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
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth	415 mm
Width	491 mm
Height	447 mm
Weight	16500 g