Brother DCP-B7500D Service Manual

3-86
Confidential
9.28 Main PCB ASSY
(1) Disconnect all harnesses and flat cables from the Main PCB ASSY.
Fig. 3-82
Harness routing: Refer to “9. Top side of the machine”, “10. Frame L unit (Manual feed models)”.
(2) Remove the two Screw cup M3x8 (black) screws, and remove the Main PCB FG plate 1.
(3) Remove the four Screw cup M3x8 (black) screws, and remove the Main PCB ASSY.
Fig. 3-83
Assembling Note:
• After the replacement, refer to “1. IF YOU REPLACE THE MAIN PCB ASSY” in
Chapter 4 to enter the adjusted value of the Main PCB ASSY.
Front cover sensor harness
Main PCB ASSY
Paper feed motor flat cable
Paper feed
sensor harness
LVPS harness
Eject sensor flat cable
T1 clutch harness
Registration clutch harness
Cartridge sensor harness
(Only for models without Toner box)
Screw cup M3x8 (black)
Screw cup M3x8 (black)
Main PCB ASSY
Main PCB FG plate 1
<Back side>
Screw cup M3x8 (black)

Brother DCP-B7500D Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	2400 x 600 DPI
Duplex printing mode	Auto
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	34 ppm
Printing colors	Black
Duplex functions	Print
Maximum duty cycle	15000 pages per month
Number of print cartridges	1
Page description languages	BR-Script 3, PCL 6, PDF 1.7
Copier resize	25 - 400 %
Duplex copying	-
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	99 copies
Scan to	E-mail, File, Image
Input color depth	30 bit
Output color depth	24 bit
Input grayscale depth	10 bit
Output grayscale depth	8 bit
Optical scanning resolution	1200 x 1200 DPI
Faxing	No
Total input capacity	250 sheets
Total output capacity	120 sheets
Paper tray media types	Plain paper, Recycled paper, Thin paper
Paper tray media weight	60 - 230 g/m²
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
Maximum ISO A-series paper size	A4
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.
Product color	Gray
Market positioning	Home & office
Mac operating systems supported	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 10.15.3 Catalina, Mac OS X 10.2 Jaguar, Mac OS X 10.4 Tiger, 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, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur
Windows operating systems supported	Windows 10, Windows 7, Windows 8, Windows 8.1
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.03 W
Power consumption (ready)	42 W
Power consumption (sleep)	6.2 W
Power consumption (printing)	485 W

Weight and Dimensions

Depth	398.5 mm
Width	410 mm
Height	272 mm