Brother MFC-9420CN Service Manual

Confidential
9-1
9.1 ERROR INDICATION
To help the user or the service personnel promptly locate the cause of a problem (if any), the
facsimile equipment incorporates the self-diagnostic functions which display error messages for
equipment errors and communications errors.
For the communications errors, the equipment also prints out the transmission verification report
and the communications list.
9.1.1 Equipment Errors
If an equipment error occurs, the facsimile equipment emits an audible alarm (continuous beeping)
for approximately 4 seconds and shows the error message on the LCD. For the error messages, see
[ 1 ] below.
To display detailed error information, use maintenance-mode function code 82 described in
Chapter 8, Section 8.1.4.17 (that is, make the equipment enter the maintenance mode and then
press the 8 and 2 keys). Following the MACHINE ERROR, one of the error codes listed in [ 2 ]
will appear on the LCD.
[ 1 ] Error messages appearing on the LCD
ERROR MESSAGE CAUSE ACTION
Check Paper Size Paper is not the correct size. Load the correct size of paper (Letter,
Legal or A4) and then press Black Start or
Color Start.
Check Tray #1
Check Tray #2
The indicated tray is not
completely closed.
Close the indicated tray properly.
Comm.Error Poor phone line quality caused a
communication error.
Send the fax again or connect the
machine to another telephone line.
If the problem continues, call the
telephone company and ask them to
check your phone line.
Connection Fail You tried to poll a fax machine
that is not in polled waiting mode.
Check the other fax machine’s polling
setup.
Cover Open
Close the back cover (3)
The back cover is not completely
closed.
Close the back cover of the machine.
Cover Open
Close the front cover
(2)
The front cover is not completely
closed.
Close the front cover of the machine.
Cover Open
Close the inside
cover (1)
The inside cover is not completely
closed.
Close the inside cover of the machine.
Print data is left in the machine’s
memory.
Re-start printing from your computer. Data Remaining
Print data is left in the machine’s
memory. The interface cable was
unplugged while the computer was
sending the data to the machine.
Press Job Cancel. The machine will
cancel the job and clear it from the
memory. Try to print again.

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