Brother MFC-7320 Service Manual

1-9
Confidential
■ Error code 5A
HVPS PCB failure (Developing bias voltage failure)
■ Error code 5B
New toner detection lever malfunction
Print Unable 5A
See Troubleshooting and routine maintenance chapter in User’s Guide.
Step Cause Remedy
1
HVPS PCB ASSY harness
connection failure
Check the harness connection between the
HVPS PCB and main PCB. Then,
reconnect them.
2 HVPS PCB failure Replace the HVPS PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Cartridge Error
Put the Black Toner Cartridge back in.
User Check
• Check if the toner cartridge is attached.
Step Cause Remedy
1
New toner detection switch
harness connection failure
Check the harness connection of the new
toner detection switch. Then, reconnect it.
2 New toner detection switch failure Replace the new toner harness ASSY.
3 Main PCB failure Replace the main PCB ASSY.

Brother MFC-7320 Specifications

General

Print technology	Laser
Maximum resolution	2400 x 600 DPI
Time to first page (black, normal)	10 s
Print speed (black, normal quality, A4/US Letter)	18 ppm
Copier resize	25 - 400 %
PC free copying	Yes
Maximum copy resolution	600 x 600 DPI
Copy speed (black, normal quality, A4)	11 cpm
Faxing	Mono faxing
Fax memory	400 pages
Fax speed dialing (max numbers)	200
Total input capacity	250 sheets
Total output capacity	100 sheets
Multi-Purpose tray input capacity	1 sheets
Auto document feeder (ADF) input capacity	35 sheets
Sound power level (standby)	32 dB
Sound pressure level (printing)	53 dB
Standard interfaces	USB 2.0
Dimensions (WxDxH)	428 x 396 x 304 mm
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	scan, n
Compatible operating systems	Windows Vista, XP (32 & 64 bit); Windows 2000, Mac OS X 10.2.4 en recenter Linux printer driver
Power consumption (standby)	75 W
Power consumption (PowerSave)	9 W
Power consumption (average operating)	320 W
Display	LCD
Market positioning	Home & office
Media weight (tray 1)	60 - 105 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Bundled software	ScanSoft Paperport 11 SE+OCR, Newsoft Presto!, PageManager7 (Mac)
Package weight	14.900 g
Grayscale levels	256
Input color depth	24 bit
Sustainability certificates	ENERGY STAR