Brother MFC-8480DN 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-8480DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Print speed (black, normal quality, A4/US Letter)	32 ppm
Grayscale levels	256
Input color depth	48 bit
Image formats supported	BMP, JPG, TIF
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	32 cpm
Faxing	Mono faxing
Fax memory	600 pages
Modem speed	33.6 Kbit/s
Power supply type	AC
Weight (imperial)	40.3 lbs
Dimensions (WxDxH)	530.8 x 449.5 x 474.9 mm
Power requirements	110 - 240V, 50/60 Hz
All-in-one functions	Copy, Fax, Scan
Standard media sizes	2.75'' - 8.5\
Maximum internal memory	0.576 GB
Color all-in-one functions	scan, n
Compatible operating systems	Windows OS Mac OS
Package dimensions (W x D x H)	24.7 x 22.3 x 22.6 \
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 pressure level (copying)	56 dB
Sound pressure level (printing)	30 dB
Maximum print size	216 x 356 mm
Paper tray media types	Bond paper, Envelopes, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA, LLMNR, LPR/LPD, IPP/IPPS, FTP, HTTP/HTTPS, SSL/TLS, TFTP, SMTP, APOP, POP, SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD, CIFS, SNTP, NDP, RA, DNS, mDNS, ICMPv6
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Power consumption (standby)	18 W
Power consumption (average operating)	680 W
Package weight	21645 g
Sustainability certificates	ENERGY STAR
Maximum duty cycle	30000 pages per month
Recommended duty cycle	3500 pages per month
Operating temperature (T-T)	10 - 32.2 °C
Operating relative humidity (H-H)	20 - 80 %