Brother FAX 4750 User manual

FACSIMILE EQUIPMENT

SERVICE MANUAL

MODEL: FAX4750

MFC8300/8600

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.

All products and company names mentioned in this manual are trademarks or registered trademarks of their

respective holders.

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

Appendix 1. EEPROM Customizing Codes

Appendix 2. Circuit Diagrams

This manual describes the models and their versions to be destined for major countries. The specifications

and functions are subject to change depending upon each destination.

SAFETY INFORMATION

Laser Safety (110-120V Model only)

This printer is certified as a Class 1 laser product under the US Department of Health and Human

Services (DHHS) Radiation Performance Standard according to the Radiation Control for Health

and Safety Act of 1968. This means that the printer does not produce hazardous laser radiation.

Since radiation emitted inside the printer is completely confined within the protective housings and

external covers, the laser beam cannot escape from the machine during any phase of user

operation.

CDRH Regulations (110-120V Model only)

The Center for Device and Radiological Health (CDRH) of the US Food and Drug Administration

implemented regulations for laser products on August 2, 1976. These regulations apply to laser

products manufactured from August 1, 1976. Compliance is mandatory for products marketed in

the United States. The label shown below indicates compliance with the CDRH regulations and

must be attached to laser products marketed in the United States.

The label for Chinese products

MANUFACTURED: JULY 1999 C

BROTHER CORP. (ASIA) LTD.

BROTHER BUJI NAN LING FACTORY

Gold Garden Industry, Nan Ling Village, Buji,

Rong Gang, Shenzhen, China.

This product complies with FDA radiation

performance standards, 21 CFR Subchapter J.

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.

w/o 2nd cassette w/ 2nd cassette

Weight: Machine proper 10.5 kg 14.0 kg

Machine (incl. drum unit & toner cartridge) 12.0 kg 15.5 kg

In package 16.5 kg 22.0 kg

1.2 Components

The equipment consists of the following major components:

*1 Provided on those models equipped

with a handset.

*2 Provided on those models without

handset.

I- 2

2. SPECIFICATIONS

(1/4)

Model FAX4750 MFC8300

GENERAL

Print Engine Laser (ZL) Laser (ZL)

Modem Speed (bps) 14,400 (Fax) 14,400 (Fax)

Transmission Speed (sec.) 6 6

ITU-T Group G3 G3

Coding Method MH/MR/MMR MH/MR/MMR

Input/Output Width 5.8" to 8.5" x 2.75" to 8.5" 5.8" to 8.5" x 2.75" to 8.5"

ADF (pages) 30 (50*1)30

LCD Size 16 chars x 2 lines 16 chars x 2 lines

On-Screen Programming Yes Yes

Backup Clock Yes (1 hour) Yes (1 hour)

Memory Capacity (MB) 4 2

Backup Memory No No

Optional Memory Yes (8 & 16 MB) Yes (8 & 16 MB)

Color Gray 1495 Gray 1495

Standby Mode Yes Yes

PC-Fax Protocol Compliance Class 2 Class 2

Simultaneous Operation Yes Yes

Data Modem No No

Energy Star Compliance (for U.S.A.) Yes Yes

LCD Backlight No No

Operating Environment Temperature 5 to 35°C 5 to 35°C

Humidity 60 ±25% 60 ±25%

Power Source 120 VAC, 50/60Hz 120 VAC, 50/60Hz

Power Consumption (Sleep/Peak) Less than 9W/850W Less than 9W/850W

TELEPHONE

Automatic Redial Yes Yes

Handset Yes Yes

One-Touch Dial 32 (16 x 2) 32 (16 x 2)

Speed Dial 100 100

Telephone Index Yes Yes

Speaker Phone No No

Chain Dialing Yes Yes

Caller ID Yes Yes

Call Waiting Caller ID Yes Yes

Distinctive Ringing Yes Yes

Hold/Mute Key Yes Yes

Power Failure Dialing No No

Speaker Volume Yes (3 levels + OFF) Yes (3 levels + OFF)

Ring Volume Yes (3 levels + OFF) Yes (3 levels + OFF)

Handset Volume Yes (2 levels + Hearing amplify level) Yes (2 levels + Hearing amplify level)

PBX Feature No No

Transfer Method Flash Flash

Digits of One-Touch & Speed Dial 20 digits 20 digits

Registrable Number of Characters 15 chars 15 chars

*1Xerox 4200 (20 lb/LTR) in normal business environments

I- 3

(1/4)

Model MFC8600

GENERAL

Print Engine Laser (ZL)

Modem Speed (bps) 14,400 (Fax)

Transmission Speed (sec.) 6

ITU-T Group G3

Coding Method MH/MR/MMR

Input/Output Width 5.8" to 8.5" x 2.75"to 8.5"

ADF (pages) 30

LCD Size 16 chars x 2 lines

On-Screen Programming Yes

Backup Clock Yes (1 hour)

Memory Capacity (MB) 4

Backup Memory No

Optional Memory Yes (8 & 16 MB)

Color Gray 1495

Standby Mode Yes

PC-Fax Protocol Compliance Class 2

Simultaneous Operation Yes

Data Modem No

Energy Star Compliance (for U.S.A.) Yes

LCD Backlight No

Operating Environment Temperature 5 to 35 °C

Humidity 60 ±25%

Power Source 120 VAC, 50/60Hz

Power Consumption (Sleep/Peak) Less than 9W/850W

TELEPHONE

Automatic Redial Yes

Handset Yes

One-Touch Dial 32 (16 x 2)

Speed Dial 100

Telephone Index Yes

Speaker Phone No

Chain Dialing Yes

Caller ID Yes

Call Waiting Caller ID Yes

Distinctive Ringing Yes

Hold/Mute Key Yes

Power Failure Dialing No

Speaker Volume Yes (3 levels + OFF)

Ring Volume Yes (3 levels + OFF)

Handset Volume Yes (2 levels + Hearing amplify level)

PBX Feature No

Transfer Method Flash

Digits of One-Touch & Speed Dial 20 digits

Registrable Number Of Characters 15 chars

I- 4

(2/4)

Model FAX4750 MFC8300

FAX

Internet FAX N/A N/A

Easy Receive/Fax Detect Yes Yes

Fax/Tel Switch Yes Yes

Super Fine Yes (TX & RX) Yes (TX & RX)

300 dpi Transmission No No

Gray Scale 64 64

Contrast Yes (Auto/S.Light/S.Dark) Yes (Auto/S.Light/S.Dark)

Smoothing Yes Yes

Call Reservation Over Auto TX Yes Yes

Password Check No No

Enhanced Remote Activation Yes Yes

Multi Resolution Transmission Yes Yes

Multi Transmission No No

Next-Fax Reservation Yes (Dual access) Yes (Dual access)

Delayed Timer Yes (Up to 50 timers or 50 jobs) Yes (Up to 50 timers or 50 jobs)

Polling Yes (Std/Seq) Yes (Std/Seq)

Quick Scan (Memory Transmission) Approx. 2 sec/page (A4, std. resolution) Approx. 2 sec/page (A4, std. resolution)

Broadcasting Yes (182 locations) Yes (182 locations)

Batch Transmission Yes Yes

Auto Reduction Yes Yes

Out-of-Paper Reception (Brother #1 Chart) Up to 270 pages Up to 90 pages

(ITU-T Chart) Up to 210 pages Up to 70 pages

Dual Access Yes Yes

ECM (Error Correction Mode) Yes Yes

ITU SUB Addressing No No

Group Dial Yes (6) Yes (6)

Re-send After Receive Error Signal No No

Confidential No No

Station ID 1 (20 digits/20 characters) 1 (20 digits/20 characters)

Off-Hook Alarm No No

Remote Maintenance Yes Yes

Call Reservation Over Manual TX Yes Yes

RX Mode Indication LED LED

Resolution Indication LED LED

LIST REPORT

Activity Report/Journal Report Yes (up to 50) Yes (up to 50)

Transmission Verification Report Yes Yes

Coverpage Yes (Super) Yes (Super)

Help List Yes Yes

Callback Message Yes Yes

Caller ID List Yes Yes

INTERFACE

External TAD Interface Yes Yes

Missing Link/PC Interface No No

Host Interface Yes (Parallel) Yes (Auto switching : Parallel/USB*2)

LAN Interface No No

*2USB for Windows98 only

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