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

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

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

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

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

2-3 Operation of the PWBs

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

2-3-2 Main PWB ...............................................................................................................................................2-3-4

2-3-3 Engine PWB............................................................................................................................................2-3-8

2-3-4 Operation unit PWB ..............................................................................................................................2-3-14

2-3-5 CCD PWB .............................................................................................................................................2-3-17

2-4 Appendixes

Timing chart No.1....................................................................................................................................2-4-1

Timing chart No.2....................................................................................................................................2-4-2

Timing chart No.3....................................................................................................................................2-4-3

Timing chart No.4....................................................................................................................................2-4-4

Maintenance parts list .............................................................................................................................2-4-5

Periodic maintenance procedures ..........................................................................................................2-4-6

Chart of image adjustment procedures...................................................................................................2-4-8

General wiring diagram.........................................................................................................................2-4-10

INSTALLATION GUIDE

300-SHEET CASSETTE

DOCUMENT PROCESSOR

DUPLEX UNIT

Printing System (X)

2HA/2HB

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