ii
SAFETY PRECAUTIONS
To Use the Machine Safely
Save these instructions for later reference.
There are high voltage electrodes inside the
machine. Before you clean the machine or
clear a paper jam, make sure you have
unplugged the power cord from the power
outlet.
Do not handle the plug with wet hands.
Doing this might cause an electrical shock.
To prevent injuries, be careful not to put
your hands on the edge of the machine
under the scanner cover.
To prevent injuries, be careful not to put
your fingers in the area shown in the
illustration.
Use caution when installing or modifying telephone lines. Never touch telephone wires or terminals that
are not insulated unless the telephone line has been disconnected at the wall jack. Never install telephone
wiring during a lightning storm. Never install a telephone jack in a wet location unless the jack is
specifically designed for a wet location.
Install equipment with a power cord near a socket-outlet that is easily accessible.
To reduce the risk of shock or fire, use only a No. 26 AWG or larger telecommunication line cord.
Do not use a telephone in the vicinity of gas leak to report leak.
Содержание MFC-4820C
Страница 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL MFC4820C MFC4420C ...
Страница 6: ...CHAPTER 1 PARTS NAMES FUNCTIONS ...
Страница 13: ...CHAPTER 2 SPECIFICATIONS ...
Страница 19: ...2 5 2 1 4 Environmental Conditions ...
Страница 26: ...CHAPTER 3 SETTING UP OF THE MACHINE ...
Страница 29: ...3 2 3 2 UNPACKING THE MACHINE The equipment consists of the following major components ...
Страница 40: ...CHAPTER 4 THEORY OF OPERATION ...
Страница 76: ...CHAPTER 5 ROUTINE MAINTENANCE ...
Страница 84: ...CHAPTER 6 DISASSEMBLY REASSEMBLY ...
Страница 114: ...6 29 6 1 11 Speaker 1 Pull the speaker and its spring out of the lower cover ...
Страница 136: ...CHAPTER 7 MAINTENANCE MODE ...
Страница 145: ...7 8 Scanning Compensation Data List ...
Страница 160: ...7 23 1st sheet 2nd sheet Vertical Alignment Check Patterns and Head Skew Check Pattern ...
Страница 162: ...7 25 Margin Check Patterns ...
Страница 170: ...CHAPTER 8 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 196: ...8 25 3 Pull up the jammed paper to remove it Jammped paper 4 Reinstall the paper tray Paper tray ...
Страница 197: ...MFC4820C MFC4420C Appendix 1 Serial No Descriptions ...
Страница 204: ...App 2 3 Select the folder where the Downloader driver is located then click OK Click Next Click Yes ...
Страница 205: ...App 2 4 Click Finish to return to Windows ...
Страница 209: ...MFC4820C MFC4420C Appendix 3 EEPROM Customizing Codes ...
Страница 212: ...MFC4820C MFC4420C Appendix 4 Firmware Switches WSW ...
Страница 252: ...App 4 40 WSW48 to WSW50 Selector No Function Setting and Specifications 1 8 Not used ...
Страница 253: ...MFC4820C MFC4420C Appendix 5 Re Packing Instructions ...
Страница 255: ...App 5 2 2 Place the machine in the original box with the original packaging material ...
Страница 256: ...MFC4820C MFC4420C Appendix 6 Wiring Diagram ...
Страница 259: ...A Main PCB 1 5 ...
Страница 260: ...A Main PCB 2 5 ...
Страница 261: ...A Main PCB 3 5 ...
Страница 262: ...A Main PCB 4 5 ...
Страница 263: ...A Main PCB 5 5 ...
Страница 264: ...B Driver PCB ...
Страница 265: ...C NCU PCB ...
Страница 266: ...D Control Panel PCB ...
Страница 267: ...E Power Supply PCB ...
Страница 268: ...Feb 03 SM FAX016 8CA602 Printed in Japan ...