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Brother MFC620CN User Manual

Brother MFC620CN
466 pages
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Confidential
FACSIMILE EQUIPMENT
SERVICE MANUAL
MODELS: MFC620CN/425CN
MFC420CN /410CN
MFC215C/210C
FAX2440C
DCP315CN/310CN
DCP120C/117C/115C/110C

Table of Contents

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Brother MFC620CN Specifications

General IconGeneral
Printing TechnologyInkjet
Print Resolution6000 x 1200 dpi
Fax Speed33.6 kbps
ConnectivityUSB, Ethernet
TypeMultifunction
FunctionsPrint, Copy, Scan, Fax
Fax Resolution203 x 98 dpi, 203 x 196 dpi
Paper Capacity100 sheets
DisplayLCD
Media TypesPlain paper, envelopes, labels

Summary

CHAPTER 1 PARTS NAMES AND FUNCTIONS

1.1 OUTLINE

Provides external views and identification of major machine components and their locations.

1.2 CONTROL PANEL

Details the various keys, buttons, and displays on the machine's control panel.

1.3 COMPONENTS

Lists and illustrates the major internal and external components of the machine.

CHAPTER 2 SPECIFICATIONS

2.1 GENERAL

Lists general specifications like memory, ADF capacity, printer type, power source, and operating environment.

2.2 SPECIFICATIONS LIST

A comprehensive table comparing specifications across different machine models.

CHAPTER 3 THEORY OF OPERATION

3.1 OVERVIEW

Provides a high-level block diagram of the machine's hardware components and their interconnections.

3.2 MECHANICAL COMPONENTS

Details the scanning, printing, and paper handling mechanisms, including motors and sensors.

3.3 CONTROL ELECTRONICS

Explains the main electronic components and PCBs that control the machine's functions.

CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR

4.1 TRANSFERRING RECEIVED FAX DATA

Describes the procedure for transferring unprinted received FAX data to another machine before repair.

CHAPTER 5 DISASSEMBLY/REASSEMBLY AND LUBRICATION

5.1 DISASSEMBLY/REASSEMBLY

Procedures for disassembling and reassembling machine components, including safety and preparation.

5.2 LUBRICATION

Details specific lubrication points and the types of lubricants to be applied during reassembly.

CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT

6.1 PREPARATION

Outlines the necessary requirements, executables, and spare parts needed before performing adjustments.

6.2 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT

Details specific adjustments and firmware updates required after replacing the head/carriage or engine units.

6.3 IF YOU REPLACE THE MAIN PCB

Procedures for initializing, customizing, and updating settings after replacing the main PCB.

6.4 IF YOU REPLACE THE INK ABSORBER BOX

Explains how to reset the purge counter to zero after replacing the ink absorber box.

6.5 IF YOU REPLACE THE CONTROL PANEL PCB (MODELS WITH BACKLIGHTS)

Instructions for adjusting the backlight intensity after replacing the control panel PCB.

6.6 IF YOU REPLACE THE SCANNER UNIT

Describes how to reset the scanner unit type by inputting the CIS type.

CHAPTER 7 CLEANING

7.1 CLEANING THE MAINTENANCE UNIT

Provides detailed procedures for cleaning the maintenance unit, including head caps and wipers.

CHAPTER 8 MAINTENANCE MODE

8.1 EMBEDDED AND FULL MAINTENANCE PROGRAMS

Explains the embedded and full maintenance programs and how to load them.

8.2 ENTRY INTO THE MAINTENANCE MODE

Details the procedures for entering the machine's maintenance mode using control panel keys.

8.3 LIST OF MAINTENANCE-MODE FUNCTIONS

Provides a comprehensive list of all available maintenance mode functions and their corresponding reference pages.

8.4 USER-ACCESS TO THE MAINTENANCE MODE

Describes how end-users can access specific maintenance functions under service personnel guidance.

8.5 DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS

Provides in-depth explanations and operating procedures for various maintenance mode functions.

CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING

9.1 ERROR INDICATION

Details equipment and communication error messages displayed on the LCD and their probable causes.

9.2 TROUBLESHOOTING

Offers troubleshooting procedures based on problem types, component defects, and common issues encountered.

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