Brother DCP-B7500D Service Manual

2-63
Confidential
 Error code 9301
When paper was fed from the MP tray, the MP paper empty sensor detected that no paper
was in the MP tray.
<User Check>
• Load paper to the MP tray.
 Error code 9302
When paper was fed from the paper tray, the T1 paper empty sensor or T1 paper feed sensor
detected that no paper was in the paper tray.
<User Check>
• Set paper in the paper tray.
Step Cause Remedy
1
MP paper empty actuator caught
in some sections of the machine
Reattach the MP paper empty actuator.
2
Connection failure of the MP paper
empty sensor PCB harness
Reconnect the MP paper empty sensor
PCB harness.
3
Connection failure of the MP
relay PCB harness
Reconnect the MP relay PCB harness.
4 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Connection failure of the T1
paper empty/paper feed sensor
harness (paper empty sensor
models only)
Reconnect the T1 paper empty/paper feed
sensor harness.
2
Connection failure of the T1
clutch harness
Reconnect the T1 clutch harness.
3
Connection failure of the paper
feed motor flat cable
Reconnect the paper feed motor flat
cable.
4
T1 paper feed actuator caught in
some sections of the machine (non
paper empty sensor models only)
Reattach the T1 paper feed actuator.
5
T1 paper empty actuator caught in
some sections of the machine
(paper empty sensor models only)
Reattach the T1 paper empty actuator.
6 Abrasion of the PF kit 1 Replace the PF kit 1.
7
Paper feed motor flat cable
failure
Replace the paper feed motor flat cable.
8 T1 clutch failure Replace the T1 clutch.
9
T1 paper feed sensor PCB
failure (non paper empty sensor
models only)
Replace the T1 paper feed sensor PCB
ASSY.
10 Paper feed motor failure Replace the paper feed motor.
11
Damaged gears in the paper
feed drive system
Replace the frame L unit.
12 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