Confidential
5-61
5.1.51 LV Power Supply PU / Power Supply Bracket PU ASSY
(1) Remove the setscrew (M4x6, 1 piece with star washer) of the grounding terminal.
(2) Disconnect the connector of the switch harness from the LV power supply PU.
(3) Remove the setscrew (ST3x6, 3 pieces) of the power supply bracket PU ASSY.
(4) Remove the power supply bracket PU ASSY (with the switch).
(5) Disconnect all the connectors connecting to the LV power supply PU.
(6) Remove the setscrew with washer (7 pieces) of the LV power supply PU.
(7) Remove the LV power supply from the frame.
CAUTION
This is the replacement work of the important parts pertaining to the product safety.
This work must be done by the skillful personnel having the sound knowledge on the
product safety and in the facility where the safety can be ensured. (This work requires the
insulation withstand voltage test and the measurement of the insulation resistance.)
Fig. 5-98
Frame
Setscrew
LV power supply PU
Power supply bracket PU ASSY
ST3x6
M4x6
Setscrew
ST3x6
Grounding terminal
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 ...