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One-tray Paper Tray Unit Installation.............................................................................................................42

Accessory Check..........................................................................................................................................42

Installation Procedure..................................................................................................................................42

One-Bin Tray Installation.................................................................................................................................46

Accessory Check..........................................................................................................................................46

Installation Procedure..................................................................................................................................46

Anti-condensation Heater Installation............................................................................................................49

Tray Heaters.....................................................................................................................................................50

Upper Tray Heater.......................................................................................................................................50

Lower Tray Heater (Two-tray Model Only)...............................................................................................52

Tray Heaters For The Optional Paper Feed Units.....................................................................................53

Key Counter Installation...................................................................................................................................57

Optional Counter Interface Unit Type A (B870-11).....................................................................................60

Accessory Check..........................................................................................................................................60

Installation Procedure..................................................................................................................................60

DDST Unit Type F (B865)................................................................................................................................62

Accessory Check..........................................................................................................................................62

Installing Expansion Component................................................................................................................62

Network Interface Board (D564)...................................................................................................................64

Component Check.......................................................................................................................................64

Installing Expansion Component................................................................................................................64

3. Preventive Maintenance

PM Tables.........................................................................................................................................................69

How to Reset the PM Counter.........................................................................................................................70

4. Replacement and Adjustment

General Cautions.............................................................................................................................................73

PCU (Photoconductor Unit).........................................................................................................................73

Transfer Roller..............................................................................................................................................73

Scanner Unit.................................................................................................................................................73

Laser Unit......................................................................................................................................................74

Fusing Unit....................................................................................................................................................74

Paper Feed...................................................................................................................................................74

Static Electricity............................................................................................................................................74