Confidential
8.1.4.19 Cancellation of the Memory Security Mode
(Not applicable to the Japanese model) ....................................................8-25
8.1.4.20 Hex Dump Mode ........................................................................................8-26
8.1.4.21 Indication of the Firmware Version ............................................................8-26
8.2
ENGINE SERVICE MODE .............................................................................................8-27
8.2.1 Entry into the Engine Service Mode ...................................................................8-27
8.2.2 List of Engine Service Mode Functions ..............................................................8-28
8.2.3 Detailed Descriptions of Engine Service Mode Functions..................................8-29
8.2.3.1 Test Print (Code 31)...................................................................................8-29
8.2.3.2 Next Care Information (Code 32)...............................................................8-32
8.2.3.3 Tray Type (Code 33) ..................................................................................8-35
8.2.3.4 Total Page (Code 34).................................................................................8-35
8.2.3.5 Each Image (Code 35)...............................................................................8-36
8.2.3.6 Clear Care (Code 36).................................................................................8-37
8.2.3.7 Media Manage (Code 37) ..........................................................................8-37
8.2.3.8 Extend Media (Code 38) ............................................................................8-38
8.2.3.9 Factory Mode (Code 39) ............................................................................8-38
[ 1 ] Margin Adjust (Code 43) ............................................................................8-39
[ 2 ] Life Period Set (Code 44) ..........................................................................8-40
[ 3 ] NVRAM Tune Up (Code 45) ......................................................................8-41
[ 4 ] NVRAM Initial (Code 46)............................................................................8-45
[ 5 ] Total Page Set (Code 47) ..........................................................................8-45
[ 6 ] Each Image Set (Code 48) ........................................................................8-46
[ 7 ] Next Life Set (Code 49) .............................................................................8-47
Summary of Contents for MFC-9420CN
Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC 9420CN ...
Page 16: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 22: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 33: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 48: ...Confidential 3 1 4 CBV DBV Fig 3 16 Y M C K Fig 3 17 ...
Page 69: ...Confidential 3 3 5 Fig 3 35 ...
Page 73: ...Confidential 3 3 9 3 Interface Circuit Printer side Fig 3 38 ...
Page 82: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 85: ...Confidential 4 2 Cover page sample End page sample Fig 4 1 ...
Page 86: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 94: ...Confidential 5 5 5 1 1 AC Cord 1 Disconnect AC cord from the machine Fig 5 1 AC cord Machine ...
Page 175: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 203: ...Confidential CHAPTER 7 CLEANING ...
Page 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 213: ...8 6 Confidential Fig 8 2 Scanning Compensation Data List a b c d e f g h i j k l m n q ...
Page 224: ...8 17 Confidential Cover page sample End page sample Fig 8 8 ...
Page 255: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 279: ...Confidential 9 23 2 Image failure 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Page 280: ...Confidential 9 24 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 9 1 ...
Page 325: ...App 1 5 Confidential 6 Transfer Unit X X X X X X 7 1 2 3 Location SERIAL NO YEAR MONTH DATE ...
Page 398: ...B Power Supply PCB 100V 127V Confidential ...