5.7 Upper cover1/ Upper cover2.....................................................................................................................................................G-7

5.8 Tray1.........................................................................................................................................................................................G-8

5.9 Manual tray...............................................................................................................................................................................G-9

5.10 MFP board (MFPB).................................................................................................................................................................G-9

5.11 Printer control board (PRCB)................................................................................................................................................G-11

5.12 DC power supply (DCPU).....................................................................................................................................................G-12

5.13 High voltage unit (HV1).........................................................................................................................................................G-14

5.14 SSD board (SSDB)...............................................................................................................................................................G-16

5.15 PH Unit..................................................................................................................................................................................G-17

5.16 Hard disk kit (HD-P06)..........................................................................................................................................................G-18

5.17 Backup battery......................................................................................................................................................................G-19

5.18 Developing motor (M1)..........................................................................................................................................................G-19

5.19 Transport motor (M2)............................................................................................................................................................G-20

5.20 Color PC drum motor (M4)....................................................................................................................................................G-20

5.21 Power supply cooling fan (FM10)..........................................................................................................................................G-21

5.22 Cooling fan motor (FM11).....................................................................................................................................................G-21

5.23 Tray1 paper feed clutch (CL1) / Manual tray paper feed clutch (CL2)..................................................................................G-21

5.24 Registration clutch (CL3).......................................................................................................................................................G-22

5.25 Toner supply clutch/Y (CL4) / Toner supply clutch/M (CL5) Toner supply clutch/C (CL6) / Toner supply clutch/K (CL7)....G-24

5.26 Loop detection clutch (CL8)..................................................................................................................................................G-25

5.27 Switchback roller feed clutch (CL11) / Switchback roller reverse clutch (CL12)...................................................................G-28

5.28 Duplex conveyance roller clutch (CL13)...............................................................................................................................G-29

5.29 2nd transfer pressure solenoid (SD2)...................................................................................................................................G-31

5.30 Temperature/ humidity sensor (TEM/HUMS)........................................................................................................................G-32

5.31 IDC sensor (IDCS)................................................................................................................................................................G-33

6. Disassembly/reassembly procedure (PF-P14).........................................................................................................G-35

6.1 Paper Feed Unit......................................................................................................................................................................G-35

6.2 Rear cover...............................................................................................................................................................................G-35

6.3 Rear right cover.......................................................................................................................................................................G-35

6.4 PC control board (PCCB)........................................................................................................................................................G-35

6.5 Tray2 paper feed motor (M1)..................................................................................................................................................G-36

6.6 Tray2 paper feed clutch (CL1)................................................................................................................................................G-36

6.7 Tray2 conveyance clutch (CL2)..............................................................................................................................................G-37

H CLEANING/LUBRICATION...........................................................................................................H-1

1. Cleaning parts list........................................................................................................................................................H-1

2. Cleaning procedure.....................................................................................................................................................H-2

2.1 Manual tray feed roller...............................................................................................................................................................H-2

2.2 Manual tray separation roller.....................................................................................................................................................H-2

2.3 Tray1/ Tray2 feed roller.............................................................................................................................................................H-2

2.4 Tray1 separation roller..............................................................................................................................................................H-3

2.5 Tray2 separation roller..............................................................................................................................................................H-3

2.6 Laser irradiation section............................................................................................................................................................H-3

2.7 Conveyance roller.....................................................................................................................................................................H-5

I ADJUSTMENT/SETTING.................................................................................................................I-1

1. HOW TO USE THE ADJUSTMENT SECTION............................................................................................................I-1

1.1 Advance checks..........................................................................................................................................................................I-1

2. UTILITY........................................................................................................................................................................I-2

2.1 List of UTILITY mode..................................................................................................................................................................I-2

2.1.1 PROOF PRINT.................................................................................................................................................................I-2

2.1.2 MEMORY DIRECT...........................................................................................................................................................I-2

2.1.3 PAPER MENU..................................................................................................................................................................I-2

2.1.4 PRINT REPORTS.............................................................................................................................................................I-2

2.1.5 COUNTER........................................................................................................................................................................I-3

2.1.6 SYSTEM SETTINGS........................................................................................................................................................I-3

2.1.7 ADMIN SETTINGS...........................................................................................................................................................I-3

2.2 Starting/Exiting............................................................................................................................................................................I-7

2.2.1 Starting procedure............................................................................................................................................................I-7

2.2.2 Exiting procedure..............................................................................................................................................................I-7

3. SERVICE MODE..........................................................................................................................................................I-8

3.1 LIST OF SERVICE MODE..........................................................................................................................................................I-8

3.2 STARTING/EXITING..................................................................................................................................................................I-9

3.2.1 STARTING PROCEDURE ..............................................................................................................................................I-9

3.2.2 Exiting procedure ............................................................................................................................................................I-9

3.3 MACHINE...................................................................................................................................................................................I-9

3.3.1 TEMPERATURE...............................................................................................................................................................I-9

3.3.2 ALIGNMENT-TOP ADJUSTMENT.................................................................................................................................I-10

3.3.3 ALIGNMENT-TOP ADJ DUPLEX...................................................................................................................................I-10

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Table of Contents