Disassembly Procedures - Konica Minolta BIZHUB 25E Field Engineering Manual

5.2 Disassembly procedures

Before assembling,
• Disconnect the power cable
• Press the power button on the pannel after you have remoed the power cable
• Disconnect the line cable and other cables
• Pull out the toner cartridge from the machine
• Pull out the drum cartridge from the machine, and cover it with a black clothe
5.2.1 URADF ............................................................................................................................ 5-4
TRAY DOCUMENT .............................................................................................................................5-4
COVER TX SIDE B .............................................................................................................................5-5
SENSOR TXIL / DS1 ...........................................................................................................................5-6
PCB ADF .............................................................................................................................................5-7
COVER TX SIDE F .............................................................................................................................5-8
SENSOR APS .....................................................................................................................................5-9
SOLENOID ROLLER ........................................................................................................................5-10
SOLENOID GUIDE ...........................................................................................................................5-11
SENSOR DS2 ...................................................................................................................................5-12
SENSOR DS3 ...................................................................................................................................5-13
SENSOR DEXIT ................................................................................................................................5-14
PIECE SEPARATOR ........................................................................................................................5-15
SENSOR DRS ...................................................................................................................................5-16
COVER TX ........................................................................................................................................5-17
ASSY ROLLER SEPARATOR ..........................................................................................................5-18
PRESS ROLLER A ...........................................................................................................................5-19
GUIDE HARNESS .............................................................................................................................5-20
MOTOR URADF ................................................................................................................................5-21
PLATE PRINTER B ...........................................................................................................................5-22
COVER PLATEN ...............................................................................................................................5-23
GUIDE INNER ...................................................................................................................................5-24
GUIDE OUTER B ASSY ...................................................................................................................5-25
GUIDE COVER PL ............................................................................................................................5-26
5.2.2 Scanner section .............................................................................................................. 5-27
CIS ....................................................................................................................................................5-27
FBS MOTOR .....................................................................................................................................5-28
SENSOR HS .....................................................................................................................................5-29
5.2.3 Panel section ................................................................................................................. 5-30
PCB PANEL ASSY ............................................................................................................................5-30
PCB PANEL ......................................................................................................................................5-31
DISPLAY LCD B/W ...........................................................................................................................5-32
CABLE-ASSY SPEAKER ..................................................................................................................5-33
5.2.4 PCB section .................................................................................................................... 5-34
PCB MAIN .........................................................................................................................................5-34
PCB HV .............................................................................................................................................5-35
PCB NCU ..........................................................................................................................................5-36
PCB PSU ...........................................................................................................................................5-37
5.2.5 Printer section ................................................................................................................. 5-38
FILTER OZONE 60 ...........................................................................................................................5-38
FAN L ................................................................................................................................................5-39
SENSOR SG2A 141 ..........................................................................................................................5-40
ROLLER REGISTER .........................................................................................................................5-41
ROLLER TRANSFER ASSY/GUIDE TRANSFER ............................................................................5-42
ROLLER DUPLEX .............................................................................................................................5-44
ROLLER PICKUP MP .......................................................................................................................5-45
PAD PRESSURE MP ........................................................................................................................5-46
PRT MOTOR .....................................................................................................................................5-47
CLUTCH ............................................................................................................................................5-48
FRAME DRIVE A ..............................................................................................................................5-49
GEARS ..............................................................................................................................................5-50
CASE TC ...........................................................................................................................................5-51
5-2