Brother MFC-8890DW Service Manual

Confidential
CHAPTER 7 SERVICE FUNCTIONS
The maintenance mode is exclusively designed for the purpose of checks, settings and
adjustments using the buttons on the control panel or open/close of the front cover. You can
perform operational checks of panel PCB, sensors, perform a print test, display the log
information or error codes.
CONTENTS
1. ENTRY INTO THE MAINTENANCE MODE.................................................................. 7-1
2. LIST OF MAINTENANCE-MODE FUNCTIONS ...........................................................7-2
3. USER-ACCESS TO THE MAINTENANCE MODE .......................................................7-3
4. DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS........................ 7-4
4.1 EEPROM Parameter Initialization (Function code 01/91) .....................................7-4
4.2 Printout of Scanning Compensation Data (Function code 05) ..............................7-5
4.3 Placement of Document Scanner Unit in Position for Transportation
(Function code 06)............................................................................................... 7-11
4.4 ADF Performance Test (Function code 08) .........................................................7-12
4.5 Test Pattern 1 (Function code 09) ....................................................................... 7-13
4.6 Firmware Switch Setting and Printout ................................................................. 7-14
4.6.1 Firmware switch setting (Function code 10).............................................7-14
4.6.2 Printout of firmware switch data (Function code 11) ................................ 7-18
4.7 Operation Check of LCD (Function code 12) ......................................................7-19
4.8 Operational Check of Control Panel Button (Function code 13).......................... 7-20
4.9 ROM Version Check (Function code 25) ............................................................. 7-22
4.10 Sensor Operational Check (Function code 32) ...................................................7-23
4.11 PC Print Function (Function code 43) ................................................................. 7-25
4.12 Switching the USB Setting (Function code 45).................................................... 7-28
4.13 EEPROM Customizing (User-accessible) (Function code 52) ............................ 7-29
4.14 Received Data Transfer Function (Function code 53) (only model with FAX) .....7-30
4.15 Fine Adjustment of Scan Start/End Positions (Function code 54) .......................7-32
4.16 Acquisition of White Level Data
and CCD Scanner Area Setting (Function code 55)............................................7-34
4.17 Paper Feeding and Ejecting Test (Function code 67).......................................... 7-36
4.18 EEPROM Customizing (Function code 74) .........................................................7-36
4.19 Printout of maintenance information (Function code 77).....................................7-39
4.20 Operational Check of Fans (Function code 78)................................................... 7-40
4.21 Display of the Machine’s Log Information (Function code 80).............................7-41
4.22 Error Code Indication (Function code 82)............................................................7-43
4.23 Output of Transmission Log to the Telephone Line (Function code 87) .............. 7-43
4.24 Counter Reset After Replacing the Fuser Unit,
Laser Unit and Paper Feed Kit (Function code 88) ............................................. 7-44
4.25 Maintenance Mode Finish (Function code 99) ....................................................7-44

Brother MFC-8890DW Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	30 ppm
Scan to	E-mail, e-Mail, E-mail Server, File, FTP, Image, OCR, USB
Scanner type	Flatbed & ADF scanner
Grayscale levels	256
Input color depth	24 bit
Output color depth	48 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
N-in-1 copy function (N=)	4, 9, 16, 25
Copy speed (black, normal quality, A4)	30 cpm
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	300
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Display	LCD
Market positioning	Business
Internal memory	64 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Dimensions (WxDxH)	531 x 451 x 475 mm
All-in-one functions	Copy, Fax, Print, Scan
Maximum internal memory	0.576 GB
Color all-in-one functions	Scan
Custom media width	69.8 - 216 mm
Maximum print size	216 x 356 mm
Custom media length	116 - 406.4 mm
Paper tray media types	Plain paper
Paper tray media weight	60 - 105 g/m²
Non-ISO print media sizes	Letter
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Multi-purpose tray media types	Bond paper, Envelopes, Heavyweight paper, Labels, Plain paper, Transparencies
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Wi-Fi standards	802.11b, 802.11g
Security algorithms	LEAP
Standard interfaces	Ethernet
USB 2.0 ports quantity	1
AC input frequency	50 - 60 Hz
Power consumption (standby)	85 W
Power consumption (PowerSave)	19 W
Power consumption (average operating)	680 W
Package weight	22100 g
Maximum duty cycle	30000 pages per month
Mac operating systems supported	Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Server operating systems supported	Windows 2000 Advanced Server, Windows 2000 Server, Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64
Windows operating systems supported	Windows 2000, Windows 2000 Professional, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Sustainability certificates	ENERGY STAR