Name: Brother MFC-9420CN
Brand: Brother
Rating: 5 (1 reviews)

To Next Page

To Previous Page

Troubleshooting and routine maintenance

C - 17

Toner scatter or toner stain ■ Identify the colour causing the problem and replace that toner cartridge. (See

Replacing a toner cartridge on page C-29.)

■ Replace the OPC belt cartridge. (See Replacing the OPC belt cartridge

(OP-4CL) on page C-33.)

The colour of your printouts is not

what you expected

■ Check that the toner cartridges are installed properly.

■ Check that the toner cartridges are not empty. (See Toner empty message on

page C-29.)

■ Perform the calibration. (Menu/Set, 4, 4)

■ Adjust the colour by using the custom setting in the driver. Colours the

machine can print and colours you see on a monitor are different. The machine

may not be able to reproduce the colours on your monitor.

■ Check to make sure the recommended paper was used. (See Recommended

paper on page 2-1.)

All one colour Replace the OPC belt cartridge. (See Replacing the OPC belt cartridge (OP-4CL)

on page C-33.)

Shade on the transparency ■ Change to the recommended type of transparency, and then check that the

problem is solved.

■ Check that the media type mode is selected properly.

Incorrect coloured edges ■ Check that the OPC belt cartridge is installed properly.

■ Check that the transter belt cleaner is installed properly.

■ Replace the OPC belt cartridge. (See Replacing the OPC belt cartridge

(OP-4CL) on page C-33.)

■ Replace the transter belt cleaner. (See Replacing the transfer belt cleaner on

page C-38.)

Uneven density appears

periodically across the page

■ Check that the toner cartridges are installed properly.

■ Check that the OPC belt cartridge is installed properly.

■ Check that the transter belt cleaner is installed properly.

■ Check that the back cover is closed properly.

■ Check that the fusing unit is installed properly.

■ Replace the OPC belt cartridge. (See Replacing the OPC belt cartridge

(OP-4CL) on page C-33.)

Examples of poor print quality Recommendation

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

Other manuals for Brother MFC-9420CN

Service Manual428 pages

Network User's Guide83 pages

Quick Setup Guide40 pages

Software User's Guide145 pages

Questions and Answers:

Need help?

Do you have a question about the Brother MFC-9420CN and is the answer not in the manual?

Brother MFC-9420CN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 2400 DPI
Economical printing	Yes
Print speed (black, normal quality, A4/US Letter)	31 ppm
Print speed (color, normal quality, A4/US Letter)	8 ppm
Digital sender	No
Number of print cartridges	4
Scanner type	Flatbed scanner
Scanner features	Scan to: e-mail, image, OCR, file
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	31 cpm
Copy speed (color, normal quality, A4)	8 cpm
Faxing	Color faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	200
Total input capacity	750 sheets
Maximum input capacity	250 sheets
Auto document feeder (ADF) input capacity	35 sheets
Maximum internal memory	576 MB
Bundled software	ScanSoft PaperPort Presto! PageManager
I/O ports	IEEE-1284 USB 2.0
Dimensions (WxDxH)	483.5 x 514 x 530 mm
Printer management	BRAdmin Professional, MIB-II
Networking features	10Base-T/100Base-TX
All-in-one functions	Fax, Scan
Color all-in-one functions	copy, fax, print, scan
Compatible operating systems	Windows 98(SE)/ Me/ NT WorkStation 4.0/ 2000 Professional/ XP Mac OS 9.1 - 9.2, Mac OS X 10.2.4+
Sustainability certificates	ENERGY STAR
Power consumption (standby)	85 W
Power consumption (PowerSave)	16 W
Power consumption (average operating)	1090 W
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	20 - 80 %
Market positioning	Business