Brother DCP 8085DN Service Manual

Confidential
CHAPTER 7 SERVICE MODE
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 FB Unit in Position for Transportation (Function code 06)...............7-8
4.4 ADF Performance Test (Function code 08) ...........................................................7-8
4.5 Test Pattern 1 (Function code 09) .........................................................................7-9
4.6 Firmware Switch Setting and Printout ................................................................. 7-10
4.7 Operation Check of LCD (Function code 12) ...................................................... 7-14
4.8 Operational Check of Control Panel PCB (Function code 13)............................. 7-15
4.9 ROM Version Check (Function code 25) .............................................................7-16
4.10 Sensor Operational Check (Function code 32) ................................................... 7-17
4.11 PC Print Function (Function code 43) .................................................................7-19
4.12 Switching the USB Setting (Function code 45).................................................... 7-22
4.13 Pan-nordic Select Country (Function code 52)....................................................7-23
4.14 Received Data Transfer Function (Function code 53) (only model with FAX) .....7-24
4.15 Fine Adjustment of Scan Start/End Positions (Function code 54) .......................7-26
4.16 Acquisition of White Level Data
and CCD Scanner Area Setting (Function code 55)............................................7-28
4.17 Paper Feeding and Ejecting Test (Function code 67)..........................................7-29
4.18 EEPROM Customizing (Function code 74) .........................................................7-29
4.19 Operational Check of Fans (Function code 78)...................................................7-31
4.20 Display of the Machine’s Log Information (Function code 80).............................7-32
4.21 Error Code Indication (Function code 82)............................................................ 7-34
4.22 Output of Transmission Log to the Telephone Line (Function code 87) ..............7-34
4.23 Counter Reset After Replacing the Fuser Unit,
Laser Unit and Paper Feed Kit (Function code 88) ............................................. 7-35
4.24 Maintenance Mode Finish (Function code 99) .................................................... 7-35
5. OTHER SERVICE FUNCTIONS ................................................................................. 7-36
5.1 Resetting the Periodical Replacement Parts Life ................................................7-36
5.2 Develop Roller / Developing Bias Voltage Counter Reset Function ....................7-38
5.3 Drum condensation countermeasure mode ........................................................7-39

Brother DCP 8085DN 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	CIFS, E-mail, FTP, Image, OCR, USB
Scanner type	Flatbed scanner
Grayscale levels	256
Input color depth	48 bit
Output color depth	24 bit
Image formats supported	BMP, JPG
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=)	2
Copy speed (black, normal quality, A4)	30 cpm
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Internal memory	64 MB
Maximum internal memory	576 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Display	TFT
Market positioning	Business
Maximum print size	216 x 356 mm
Media weight (tray 1)	60 - 105 g/m²
Paper tray media types	Bond paper, Envelopes, Labels, Plain 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
Multi-Purpose Tray media weight	60 - 163 g/m²
Dimensions (WxDxH)	531 x 451 x 475 mm
All-in-one functions	Copy, Scan
Compatible operating systems	Windows 2000 Professional, XP Home Edition, XP Professional Edition, XP professional x64 Edition, Vista Mac OS X 10.3.9 + Linux
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA(Auto IP), WINS/NetBIOS name resolution, DNS Resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and Server, TELNET Server, HTTP/HTTPS server, SSL/TLS, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD responder, Web Services (Print), CIFS Client, SNTP
Supported network protocols (IPv6)	NDP, RA, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and Server, TELNET Server, HTTP/HTTPS server, SSL/TLS, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMPv6, LLTD responder, Web Services (Print), CIFS Client, SNTP
Standard interfaces	Ethernet, Parallel, USB 2.0
USB 2.0 ports quantity	1
Bundled software	Brother MFL-pro suite in Windows: BrotherControlCentre 3 Scansoft Paperport 11SE + OCR, Macintosh:BrotherControlCentre 2 Newsoft Presto! Page manager 7
Power consumption (standby)	85 W
Power consumption (PowerSave)	16 W
Power consumption (average operating)	680 W
Package weight	21800 g
Maximum duty cycle	30000 pages per month
Page description languages	BR-Script 3, Epson FX, IBM ProPrinter, PCL 6