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Brother DCP-B7500D Service Manual

Brother DCP-B7500D
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3-76
Confidential
9.21
HVPS flat cable / High-voltage power supply PCB ASSY
(1) Disconnect the HVPS flat cable from the High-voltage power supply PCB ASSY. Disconnect
the HVPS flat cable from the Main PCB ASSY, and release it from the securing fixtures.
(2) Disconnect the Fan harness from the High-voltage power supply PCB ASSY.
(3) Remove the Screw cup M3x8 (black) screw. Release each Hook and pull out the right side
of the High-voltage power supply PCB ASSY in the direction of the arrow A to remove it
from the Pins. And then pull out the High-voltage power supply PCB ASSY in the direction
of the arrow B to remove it from the Rib.
Fig. 3-71
Harness routing: Refer to “8. Rear side of the machine”, “9. Top side of the machine”.
Note:
After disconnecting flat cables, check that each cable is not damaged at its end or
short-circuited.
When connecting flat cables, do not insert them at an angle. After insertion, check
that the cables are not at an angle.
Assembling Note:
After attaching the High-voltage power supply PCB ASSY, push the Electrode springs
from inside of the machine to check that nothing is caught. (Refer to Fig. 2-12.)
Screw cup M3x8 (black)
Hook
Fan harness
HVPS flat cable
Main PCB ASSY
High-voltage power supply PCB ASSY
Hook
HVPS flat cable
Rib
Pin
Pins
A
B
<Back side>

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Brother DCP-B7500D Specifications

General IconGeneral
Duplex printingYes
Print technologyLaser
Maximum resolution2400 x 600 DPI
Duplex printing modeAuto
Time to first page (black, normal)8.5 s
Print speed (black, normal quality, A4/US Letter)34 ppm
Printing colorsBlack
Duplex functionsPrint
Maximum duty cycle15000 pages per month
Number of print cartridges1
Page description languagesBR-Script 3, PCL 6, PDF 1.7
Copier resize25 - 400 %
Duplex copying-
Maximum copy resolution600 x 600 DPI
Maximum number of copies99 copies
Scan toE-mail, File, Image
Input color depth30 bit
Output color depth24 bit
Input grayscale depth10 bit
Output grayscale depth8 bit
Optical scanning resolution1200 x 1200 DPI
FaxingNo
Total input capacity250 sheets
Total output capacity120 sheets
Paper tray media typesPlain paper, Recycled paper, Thin paper
Paper tray media weight60 - 230 g/m²
Non-ISO print media sizesExecutive (184 x 267mm), Folio (media size), Legal (media size)
ISO A-series sizes (A0...A9)A4, A5, A6
Maximum ISO A-series paper sizeA4
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.
Product colorGray
Market positioningHome & office
Mac operating systems supportedMac 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 supportedWindows 10, Windows 7, Windows 8, Windows 8.1
AC input voltage220 - 240 V
AC input frequency50 - 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 IconWeight and Dimensions
Depth398.5 mm
Width410 mm
Height272 mm

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