Brother DCP-B7500D Service Manual

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4.14.2Cannot update firmware
<User Check>
• Make sure that there is no other function running.
• Turn the power switch OFF and then back ON again.
* By the above update procedure, the other models firmware can be updated to the machine.
Check that the firmware is right and update correctly. If the other models firmware was
updated by mistake, the machine may repeat power ON/OFF or not powered ON. In such
case, replace the main PCB.
4.14.3“Paper Low” message does not disappear
<User Check>
• Turn the power switch OFF and then back ON again.
• Refill the paper in the appropriate paper tray.
Step Cause Remedy
1
Firmware version does not
match
Reinstall the latest sub firmware and main
firmware in this order.
2
In case of update failure by
interruption, the firmware
might not correctly written in
the ROM
Update the firmware again by the following
procedure.*
1) Turn OFF the machine.
2) For touch panel models, press and hold
the and turn the machine ON. For
non-touch panel with ten key models,
press and hold the [5] and turn the
machine ON. For non-touch panel without
ten key models, press and hold the
[Option] and turn the machine ON.
3) Double-click the “Filedg32.exe” to start,
and select “Brother Maintenance USB
Printer”.
4) Drag and drop the firmware (upd file) in
the FILEDG32 screen. Update is started.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Damaged plate-up plate in
the paper tray
Replace the paper tray.
2 Paper feed motor failure Replace the paper feed motor.
3
Damaged plate push-up
mechanism in the machine
Replace the frame L unit.
4 Main PCB failure Replace the main PCB ASSY.

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