Brother MFC-7050C User manual

FACSIMILE EQUIPMENT
SERVICE MANUAL
MODEL: MFC7050C

© Copyright Brother 1999
All rights reserved.
No part of this publication may be reproduced in any
form or by any means without permission in writing
from the publisher.
Specifications are subject to change without notice.

PREFACE
This publication is a Service Manual covering the specifications, construction, theory of operation,
and maintenance of the Brother facsimile equipment. It includes information required for field
troubleshooting and repair--disassembly, reassembly, and lubrication--so that service personnel
will be able to understand equipment function, to rapidly repair the equipment and order any
necessary spare parts.
To perform appropriate maintenance so that the facsimile equipment is always in best condition
for the customer, the service personnel must adequately understand and apply this manual.
This manual is made up of six chapters and appendices.
CHAPTER I.GENERAL DESCRIPTION
CHAPTER II.INSTALLATION
CHAPTER III.THEORY OF OPERATION
CHAPTER IV.DISASSEMBLY/REASSEMBLY AND LUBRICATION
CHAPTER V. MAINTENANCE MODE
CHAPTER VI. ERROR INDICATION AND TROUBLESHOOTING
APPENDICES CIRCUIT DIAGRAMS
This manual describes the model and its versions to be destined for major countries. The specifications and
functions are subject to change depending upon each destination.

CHAPTER I.
GENERAL DESCRIPTION

CONTENTS
1. EQUIPMENT OUTLINE........................................................................................I-1
1.1External Appearance and Weight..................................................................I-1
1.2Components.................................................................................................I-1
2. SPECIFICATIONS................................................................................................I-2

I- 1
1. EQUIPMENT OUTLINE
1.1 External Appearance and Weight
The figure below shows the equipment appearance and approximate dimensions.
Weight: Machine proper Approx. 7 kg
In package Approx. 11 kg
1.2 Components
The equipment consists of the following major components:

I- 2
2. SPECIFICATIONS (1/3)
Model MFC7050C
Color White (1138)
PRINTER Engine Type Thermal ink jet
Print Speed (ppm) Up to 6 ppm/Mono, 300 x 600
Up to 3 ppm/Color
Resolution (dpi) 1200 x 1200, 600 x 600, 300 x 600
Emulation N/A
Printer Driver Windows 3.1/3.11, Windows 95/98,
NT Driver with Auto Installer Program
Fonts Resident N/A
Fonts Disk Based N/A
Paper Handling LTR, LGL, A4, B5, A5, A6, CM10, DL, C5, C6, CUST
Auto Sheet Feeder (ASF) Cut sheet: Min. 3" (W) x 5.0" (L)
Max. 8.5" (W) X 17" (L)
Envelope (C5/CM10/Mona)
ASF (Factory Std.) 1 (100 sheets)
Optional ASF N/A
ASF Capacity (No. of sheets) 100
Number of Ink Cartridges 2
Starter Ink Cartridge Life (5% duty) Approx. 600 pages (black)
Approx. 200 pages (color)
Approx. 300 pages (photo), optional
Interface IEEE1284 (Bidirectional)
Network Card N/A
SCANNER Color/Mono Mono CIS
Resolution (dpi) 100 x 100, 200 x 200, 400 x 400, 600 x 600 (Optical 200)
Gray Scale 256 shades
Twain Yes
Scanning Speed (ppm) 4 (Mono)
Formats TIFF, UniDoc, PCX, DCX
ADF (pages) 20
Input Size Letter/Legal/A4
OCR Yes (Xerox Textbridge)
COPY Color Copy N/A
Resolution (dpi) 300 x 600
Multi-copy Stack 99
Sort Yes
Reduction/Enlargement Yes (Ratio 50%-200%)
FAX Max. Modem Speed (bps) 14400
ITU-T Group G3
Coding Method MH/MR/MMR

I- 3
(2/3)
Model MFC7050C
FAX Error Correction Mode (ECM) Yes
Transmission Speed (sec.) 6
Gray Scale 256 (Error Diffusion)
Super Fine Yes (Send and Receive)
Multi-resolution TX N/A
Handset Yes
Speaker Phone N/A
One-touch Dial 12 X 2
Speed Dial 100
Tel-Index Yes
Chain Dialing Yes
Contrast Text (Light/Normal/Dark)
FAX/TEL Switch Yes
Distinctive Ringing Yes
Caller ID Yes (name or tel number)
Call Waiting N/A
TAD Interface Yes
Next FAX Reservation N/A
Coverpage Yes - Super
Polling Type Std/Seq
Password Check N/A
Memory Reception Yes (85 pages)
Delayed Timer Yes, 1 timer
Broadcasting Yes (Up to 174 locations)
Call Reservation N/A
Call Back Message N/A
ITU SUB Addressing N/A
BFT Compatible N/A
Color Fax Mode N/A
Fax Edit Mode N/A
Color File Transfer Yes (via BFT from PC)
Multi-Transmission N/A
DUAL ACCESS Yes
Input/Output Width 8.5" x 8.5"
Help List Yes
Auto Reduction Yes
Message Center OGM Yes
ICM Recording Time Up to 30 min.
Paging Yes
Toll Saver Yes
Fax & Voice Mail Box N/A
Fax-on-demand N/A

I- 4
(3/3)
Model MFC7050C
Message Center Voice-on-demand N/A
FAX Forwarding Yes
FAX Retrieval Yes
Message Center (PC MC) N/A
OGM N/A
ICM Recording Time N/A
Fax-on-demand N/A
Voice-on-demand N/A
Fax & Voice Mail Box N/A
FAX Forwarding N/A
General/Additional Feature
Energy Star Compliance N/A
Memory (Standard) 2 MB
Memory (Opt Upgrade) N/A
Simultaneous Operation Yes (FAX/PRINTER, SCAN/PRINTER,
COPY/PRINTER)
PC-FAX Host Software Std. Yes
Host Interface
(Scan/Print/PC-fax) Bi Centro
Video Capture/Video Print Yes (NTSC)
PC-Fax Protocol Compliance CLASS 1
Data Modem N/A
Bundled Software
PC-FAX (Send/Receive) Yes (SMSI)
Internet Fax Yes (Netcentric in Visioneer)
Color Viewer Yes (Visioneer)
Color PC-FAX Yes (3D-Fax)

CHAPTER II.
INSTALLATION