Brother MFC-8520DN Service Manual

vi
Confidential
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE................................................................................................................ 5-1
1.1 How to Enter Maintenance Mode ........................................................................................ 5-1
1.1.1 Method of entering end-user accessible maintenance mode................................ 5-1
1.1.2 Method of entering maintenance mode for service personnel .............................. 5-1
1.2 List of Maintenance Mode Functions................................................................................... 5-2
1.3 Details of Maintenance Mode Functions.............................................................................. 5-3
1.3.1 Initialize EEPROM parameters (function code: 01, 91)......................................... 5-3
1.3.2 Print white level/black level data for document scanning compensation
(function code: 05)................................................................................................. 5-4
1.3.3 Move CIS unit to transportation position (function code: 06)................................. 5-6
1.3.4 ADF performance test (function code: 08) ............................................................ 5-6
1.3.5 Print test pattern (function code: 09) ..................................................................... 5-7
1.3.6 Set worker switches (WSW) and print worker switch setting data
(function code: 10, 11)........................................................................................... 5-8
1.3.7 Check LCD operation (function code: 12) ........................................................... 5-12
1.3.8 Check control panel button operation (function code: 13)................................... 5-13
1.3.9 Display software version (function code: 25)....................................................... 5-15
1.3.10 Check sensor operation (function code: 32)........................................................ 5-16
1.3.11 Display LAN connection status (function code: 33)............................................. 5-18
1.3.12 Set PC print functions (function code: 43)........................................................... 5-19
1.3.13 Change USB No. return value / Adjust left-end print start position
on second side when duplex printing / Change ON/OFF setting
for Deep Sleep function (function code: 45) ........................................................ 5-22
1.3.14 Set country/language (function code: 52)............................................................ 5-24
1.3.15 Transfer received fax data/log information (function code: 53) ........................... 5-25
1.3.16 Fine-tune scanning position (function code: 54).................................................. 5-27
1.3.17 Acquire white level data and set CIS scan area (function code: 55) ................... 5-27
1.3.18 Adjust touch panel (function code: 61) ................................................................ 5-28
1.3.19 Continuous print test (function code: 67)............................................................. 5-29
1.3.20 Print frame pattern (single-side printing) (function code: 69) .............................. 5-31
1.3.21 Print frame pattern (duplex printing) (function code: 70) ..................................... 5-33
1.3.22 Print solid pattern (function code: 71).................................................................. 5-34
1.3.23 Setting by country (function code: 74)................................................................. 5-35
1.3.24 Print maintenance information (function code: 77).............................................. 5-38
1.3.25 Check fan operation (function code: 78) ............................................................. 5-40
1.3.26 Display machine log information (function code: 80)........................................... 5-41
1.3.27 Display machine error code (function code: 82).................................................. 5-44
1.3.28 Send communication log information to telephone line (function code: 87) ........ 5-44
1.3.29 Reset counters for periodic replacement parts (function code: 88)..................... 5-44
1.3.30 Quit maintenance mode (function code: 99) ....................................................... 5-45
2. OTHER SERVICE FUNCTIONS................................................................................................. 5-46
2.1 Change ON/OFF Setting for Deep Sleep Mode ................................................................ 5-46
2.2 Change ON/OFF Setting for Sleep Mode.......................................................................... 5-47
2.3 Reset Periodic Replacement Parts.................................................................................... 5-48

Brother MFC-8520DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Duplex printing mode	Auto
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	36 ppm
Duplex print speed (black, normal quality, A4/US Letter)	9 ppm
PictBridge	No
Scan speed	2.68 sec/page
Dimensions (WxDxH)	405 x 415 x 423 mm
All-in-one functions	Copy, Fax, Print, Scan
Color all-in-one functions	Scan
Printing colors	Black
Maximum duty cycle	- pages per month
Recommended duty cycle	500 - 3500 pages per month
Number of print cartridges	1
Page description languages	BR-Script 3, Epson FX, IBM ProPrinter, PCL 6
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4, 9, 16, 25
Time to first copy (black, normal)	10.5 s
Copy speed (black, normal quality, A4)	36 cpm
Scan to	E-mail, E-mail Server, File, FTP, Image, OCR, USB
Scan drivers	ICA, ISIS, TWAIN
Scanner type	Flatbed & ADF scanner
Grayscale levels	256
Input color depth	48 bit
Maximum scan area	Legal (216 x 356) mm
Output color depth	24 bit
Image formats supported	BMP, JPG
Maximum scan resolution	19200 x 19200 DPI
Document formats supported	PDF
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax coding methods	JBIG, JPEG, MH, MMR (Fax coding method), MR
Fax speed dialing (max numbers)	300
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	150 sheets
Maximum input capacity	850 sheets
Maximum number of input trays	2
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	35 sheets
Custom media width	76.2 - 215.9 mm
Maximum print size	216 x 356 mm
Custom media length	127 - 355.6 mm
Paper tray media types	Bond paper, Plain paper, Pre-Printed, Recycled paper, Thin paper
Paper tray media weight	60 - 105 g/m²
Non-ISO print media sizes	Legal
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, Recycled paper
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Auto Document Feeder (ADF) media weight	64 - 90 g/m²
Display	LCD
Market positioning	Home & office
Display number of lines	5 lines
Display number of characters	22
Standard interfaces	Ethernet, USB 2.0
Security algorithms	802.1x RADIUS, EAP, EAP-TLS, EAP-TTLS, MD5, PEAP
Processor family	Star Sapphire
Maximum internal memory	384 MB
Sound power level (standby)	37 dB
Sound pressure level (printing)	59 dB
Sound pressure level (quiet mode)	54 dB
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	1.2 W
Power consumption (standby)	8.1 W
Power consumption (PowerSave)	336 W
Power consumption (average operating)	651 W
Package weight	20.100 g
Sustainability certificates	ENERGY STAR