Brother DCP-B7500D Service Manual

2-58
Confidential
 Error code 6A00
Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected.
<User Check>
• Slide the green tab of the drum unit to left and right for two to three times to clean the corona wire.
• Clean the electrode of the drum unit. (Refer to Fig. 2-13 (P2-56).)
• Replace the drum unit.
 Error code 6F00
Detected that supply power is unstable. (less than 100 times)
<User Check>
• Turn the power switch OFF and then back ON again.
• Use a noise filter on the power supply.
 Error code 7000
After the registration rear sensor detects paper pass, the eject sensor does not detect paper pass.
<User Check>
• Remove the jammed paper.
Step Cause Remedy
1
Dirt on the electrodes of the
machine
Clean the electrodes of the machine.
(Refer to Fig. 2-12 (P2-56).)
2
Dirt on the high-voltage power
supply PCB terminal
Clean the high-voltage power supply PCB
terminal.
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
The power supply waveform is
incorrect
Install a voltage stabilizer in the power
supply part.
Step Cause Remedy
1
Foreign object inside the machine Remove the foreign object.
2
Eject actuator coming off or caught
in some sections of the machine
Reattach the eject actuator.
3 Fuser cover attachment failure Reattach the fuser cover.
4
Connection failure of the eject
sensor PCB harness
Reconnect the eject sensor PCB harness.
5
Damaged fuser drive gear 64R/
36R
Replace the fuser drive gear 64R/36R.
6
Damaged gears in the paper
feed drive system
Replace the frame L unit.
7 Eject sensor failure Replace the eject sensor PCB ASSY.
8 Fuser unit failure Replace the fuser unit.
9 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