8-24
Confidential
YTNR_CH:
Number of times the toner yellow color cartridge has been
replaced
YTNR_IMG1:
Number of pages printed with the current yellow color toner
cartridge
YTNR_IMG2:
Number of pages printed with the previous yellow color toner
cartridge
KTNR_CH:
Number of times the toner black color cartridge has been
replaced
KTNR_IMG1:
Number of pages printed with the current black color toner
cartridge
KTNR_IMG2:
Number of pages printed with the previous black color toner
cartridge
OPCB_CH:
Number of times the OPC belt has been replaced
FSRU_CH:
Number of times the Fusing unit has been replaced
120K_CH:
Number of times the 120K kit has been replaced
PFK2_CH:
Number of times the PF kit2 has been replaced
WTNR_CH:
Number of times the Waste toner cartridge has been replaced
WTNR_PG:
TTL_JAM:
Total number of jams
POSA1_JAM:
POSA2_JAM:
POSB_JAM:
POSC_JAM:
ADF_JAM:
Number of document jams that occurred at the ADF
ADF_PG:
Number of scanned pages from the ADF
FB_PG:
Number of scanned pages from the FB
MACHINEERR_ 01 to
10:
Last machine error code 01 to 10
COMERR1 to 3:
Last communication error code 1 to 3
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 ...