2-1-1 Paper feed section ..................................................................................................................................2-1-1

2-1-2 Main charging section .............................................................................................................................2-1-4

2-1-3 Optical section ........................................................................................................................................2-1-5

(1) Original scanning...............................................................................................................................2-1-6

(2) Image printing....................................................................................................................................2-1-7

2-1-4 Developing section................................................................................................................................2-1-10

(1) Single component developing system.............................................................................................2-1-12

2-1-5 Transfer and separation sections..........................................................................................................2-1-13

2-1-6 Cleaning and charge erasing sections..................................................................................................2-1-14

2-1-7 Fuser section ........................................................................................................................................2-1-15

2-1-8 Eject and switchback sections ..............................................................................................................2-1-16

2-1-9 Duplex section ......................................................................................................................................2-1-17

(1) Paper conveying operation in duplex copying.................................................................................2-1-18

2-2 Electrical Parts Layout

2-2-1 Electrical parts layout..............................................................................................................................2-2-1

(1) PWBs ................................................................................................................................................2-2-1

(2) Switches and sensors .......................................................................................................................2-2-2

(3) Motors ...............................................................................................................................................2-2-4

(4) Other electrical components..............................................................................................................2-2-5

2-3 Operation of the PWBs

2-3-1 Power source PWB.................................................................................................................................2-3-1

2-3-2 Engine PWB............................................................................................................................................2-3-5

2-3-3 Main operation unit PWB ......................................................................................................................2-3-13

2-4 Appendixes

Maintenance parts list .............................................................................................................................2-4-1

Maintenance kits .....................................................................................................................................2-4-2

Periodic maintenance procedures ..........................................................................................................2-4-3

Chart of image adjustment procedures...................................................................................................2-4-7

General wiring diagram...........................................................................................................................2-4-9

INSTALLATION GUIDE

DOCUMENT PROCESSOR

PAPER FEEDER

3000 SHEETS PAPER FEEDER

DOCUMENT FINISHER

3000 SHEETS DOCUMENT FINISHER

CENTER-FOLDING UNIT

MAILBOX

HOLE PUNCH UNIT

BUILT-IN FINISHER

JOB SEPARATOR

FAX System (M)