Brother MFC-9420CN Service Manual page 9
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Also See for MFC-9420CN:
- Service manual (403 pages) ,
- User manual (195 pages) ,
- Software user's manual (145 pages)
Table of Contents
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6.1.4
CIS Scanner Area Setting ....................................................................................6-2
6.1.5
Setting Which Allows the User to Select the Country...........................................6-2
6.2
IF YOU REPLACE THE ENGINE CONTROL BOARD PU.......................................6-4
6.3
ADJUSTMENT OF THE GUIDE B POSITION OF TOP FUSE COVER FU .............6-5
6.4
PERIODIC MAINTENANCE PROCEDURES............................................................6-6
6.4.1
Replacement of OPC Belt Cartridge ....................................................................6-6
6.4.2
Replacement of Fusing Unit...............................................................................6-10
6.4.3
Replacement of Transfer Roller ASSY PU (120K KIT) ......................................6-13
6.4.4
Replacement of Cleaning Roller PU (120K KIT) ................................................6-15
6.4.5
Replacement of Paper Feed Roller and Separator Pad (120K KIT) ..................6-17
6.4.6
Replacement of Transfer Unit PU (120K KIT)....................................................6-23
6.5
IF YOU REPLACE THE OPC BELT CARTRIDGE .................................................6-25
6.6
IF YOU REPLACE THE FUSING UNIT...................................................................6-26
8.1
MAINTENANCE MODE FOR THE MACHINE ..........................................................8-1
8.1.1
Entry into the Maintenance Mode.........................................................................8-1
8.1.2
List of Maintenance Mode Functions....................................................................8-2
8.1.3
User-access to the Maintenance Mode................................................................8-3
8.1.4
Detailed Descriptions of Maintenance Mode Functions .......................................8-4
8.1.4.1
EEPROM Parameter Initialization (Function mode 01/91)...........................8-4
8.1.4.2
Printout of Scanning Compensation Data (Function mode 05)....................8-5
8.1.4.3
8.1.4.4
ADF Performance Test (Function mode 08)................................................8-7
8.1.4.5
Test Pattern 1 (Function mode 09) ..............................................................8-8
8.1.4.6
Firmware Switch Setting and Printout ..........................................................8-9
[1] Firmware switch setting (Function mode 10) ...................................................8-9
[2] Printout of firmware switch data (Function mode 11).....................................8-11
8.1.4.7
Operation Check of LCD (Function mode 12) ...........................................8-12
8.1.4.8
Operational Check of Control Panel PCB (Function mode 13)..................8-13
vii
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Table of Contents
Troubleshooting
