Brother MFC-7320 Service Manual

1-7
Confidential
2.2 Error Code Cause and Remedy
2.2.1 Recoverable User Check Errors
These errors are recoverable by following the message indicated on the LCD or following the
items indicated in User Check
.
■ Error code 67
The toner of the toner cartridge is low. (The toner sensor delects the nearly empty.)
■ Error code 75
The machine is cooling down inside for protection.
The machine indicates "Cooling Down" in one of the conditions below.
(1) The temperature inside the machine is too high.
(2) Both ends of the heat roller are at different temperatures.
(3) The paper media is replaced with different Paper size media.
2.2.2 Service Call Error
Check the User Check items first. If the same problem occurs follow each procedure in the
order of the number described in the Step column in the table below.
■ Error code 50
Replacement time of the drum unit. (The drum counter reached the upper limit.)
Toner Low
Prepare New Toner Cartridge
User Check
• Prepare a new toner cartridge. If the toner is empty, Replace it.
Cooling Down
Wait for a while
User Check
• After having passed for a while with having turned the power supply on.
Drum End Soon
User Check
• Replace the drum unit with a new one.
Step Cause Remedy
1 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