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6-23
Confidential
6.4.6 Replacement of Transfer Unit PU (120K KIT)
<Criterion of Replacement>
Since the transfer drum is defined as periodic replacement parts as per
Table 6-1
, it should be
replaced when the print quality failure occurs due to failed transfer drum. The following message
appears in LCD of the control panel.
Replace 120K Kit
NOTE:
At the same time, replacement of the paper feed roller, the cleaning roller, the separator
pad and the transfer unit is strongly recommended.
<Work Procedures>
Sequence of Disassembling
(1) Turn off the printer power switch.
(2) Open the
back
cover.
(3) Remove the knob screw (2 pieces) of the transfer unit PU from rear.
(4) Holding the band provided at the top side of the transfer unit PU, pull out the transfer unit
PU from the inside of the frame. In this instance, do not cause the belt surface touch the
peripheral parts.
Fig. 6-32
Transfer unit PU
Knob screws
Back
cover
Содержание MFC-9420CN
Страница 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC 9420CN ...
Страница 16: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Страница 22: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 33: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 48: ...Confidential 3 1 4 CBV DBV Fig 3 16 Y M C K Fig 3 17 ...
Страница 69: ...Confidential 3 3 5 Fig 3 35 ...
Страница 73: ...Confidential 3 3 9 3 Interface Circuit Printer side Fig 3 38 ...
Страница 82: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Страница 85: ...Confidential 4 2 Cover page sample End page sample Fig 4 1 ...
Страница 86: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 94: ...Confidential 5 5 5 1 1 AC Cord 1 Disconnect AC cord from the machine Fig 5 1 AC cord Machine ...
Страница 100: ...Confidential 5 11 5 1 5 Side Cover LR 1 Remove the screw and then remove the side cover LR Fig 5 8 Side cover LR Screw ...
Страница 172: ...Confidential 5 83 CIS unit 2 Side cover L Hole Main PCB CIS unit CIS flat cable Document scanner Insert ...
Страница 173: ...Confidential 5 84 FB motor 3 Side cover L Hole Hole Main PCB Document scanner FB motor FB motor harness Insert ...
Страница 175: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 203: ...Confidential CHAPTER 7 CLEANING ...
Страница 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Страница 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 ...
Страница 224: ...8 17 Confidential Cover page sample End page sample Fig 8 8 ...
Страница 255: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 279: ...Confidential 9 23 2 Image failure 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Страница 280: ...Confidential 9 24 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 9 1 ...
Страница 325: ...App 1 5 Confidential 6 Transfer Unit X X X X X X 7 1 2 3 Location SERIAL NO YEAR MONTH DATE ...
Страница 398: ...B Power Supply PCB 100V 127V Confidential ...
Страница 399: ...B Power Supply PCB 240V Confidential ...
Страница 428: ...SM FAX045 5CS101 6 Printed in Japan ...