Brother MFC-9420CN Service Manual

Confidential
CHAPTER 8 MAINTENANCE MODE
This chapter describes the maintenance mode which is exclusively designed for the purpose of
checks, settings and adjustments using the keys on the control panel.
You can customize the EEPROM according to the shipment destination of the machine
concerned. In addition, you can perform operational checks of the LCD, control panel PCB or
sensors, perform a print test, display the log information or error codes, and modify firmware
switches (WSW).
CONTENTS
8.1 MAINTENANCE MODE FOR THE MACHINE................................................................ 8-1
8.1.1 Entry into the Maintenance Mode........................................................................ 8-1
8.1.2 List of Maintenance-mode Functions................................................................... 8-2
8.1.3 user-access to the maintenance mode ............................................................... 8-3
8.1.4 Detailed Descriptions of Maintenance-mode Functions ...................................... 8-4
8.1.4.1 EEPROM Parameter Initialization (Function code 01/91)........................... 8-4
8.1.4.2 Printout of Scanning Compensation Data (Function code 05).................... 8-5
8.1.4.3 Placement of CIS Unit in Position for Transportation (Function code 06) .. 8-7
8.1.4.4 ADF Performance Test (Function code 08) ................................................ 8-7
8.1.4.5 Test Pattern 1 (Function code 09)............................................................... 8-8
8.1.4.6 Firmware Switch Setting and Printout ......................................................... 8-9
[ 1 ] Firmware switch setting (Function code 10) ............................................... 8-9
[ 2 ] Printout of firmware switch data (Function code 11)................................. 8-11
8.1.4.7 Operation Check of LCD (Function code 12) ............................................ 8-12
8.1.4.8 Operational Check of Control Panel PCB (Function code 13) .................. 8-13
8.1.4.9 Sensor Operational Check (Function code 32) ......................................... 8-14
8.1.4.10 EEPROM Customizing (Entering of the country code for Europe/Oceania.)
(Function code 52)..................................................................................... 8-15
8.1.4.11 Received Data Transfer Function (Function code 53) .............................. 8-16
8.1.4.12 Fine Adjustment of Scan Start/End Positions (Function code 54) ............ 8-18
8.1.4.13 Acquisition of White Level Data and CIS Scanner Area Setting
(Function code 55)..................................................................................... 8-20
8.1.4.14 Paper Feeding and Ejecting Test (Function code 67)............................... 8-20
8.1.4.15 EEPROM Customizing (Direct entering of the four-digit code.)
(Function code 74)..................................................................................... 8-21
8.1.4.16 Display of the Equipment’s Log Information (Function code 80) .............. 8-22
8.1.4.17 Machine Error Code Indication (Function code 82) .................................. 8-25
8.1.4.18 Output of Transmission Log to the Telephone Line (Function code 87)... 8-25

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