SM  ii  D245/D246/D247 
2.3  PAPER FEED UNIT PB2020 ....................................................................................... 2-12 
2.3.1  ACCESSORY CHECK ...................................................................................... 2-12 
2.3.2  INSTALLATION PROCEDURE ......................................................................... 2-12 
For Installing Single Paper Feed Unit ................................................................... 2-13 
For Installing Double Paper Feed Units ................................................................ 2-16 
2.4  BY-PASS TRAY COVER TYPE M16 ........................................................................... 2-20 
2.4.1  COMPONENT CHECK ..................................................................................... 2-20 
2.4.2  INSTALLING THE EXPANSION COMPONENT ............................................... 2-21 
2.5  DDST UNIT TYPE M16 ................................................................................................ 2-25 
2.5.1  COMPONENT CHECK ..................................................................................... 2-25 
2.5.2  INSTALLING THE EXPANSION COMPONENT ............................................... 2-25 
2.6  OPERATION GUIDANCE FOR USERS ...................................................................... 2-27 
3.  PREVENTIVE MAINTENANCE..................................................... 3-1 
3.1  PREVENTIVE MAINTENANCE TABLES ...................................................................... 3-1 
3.2  PM PARTS SETTINGS .................................................................................................. 3-1 
3.2.1  PM PARTS REPLACEMENT PROCEDURE ...................................................... 3-1 
3.2.2  AFTER INSTALLING THE NEW PM PARTS ...................................................... 3-1 
3.2.3  OPERATION CHECK .......................................................................................... 3-1 
4.  REPLACEMENT AND ADJUSTMENT ......................................... 4-1 
4.1  BEFOREHAND .............................................................................................................. 4-1 
4.2  SPECIAL TOOLS AND LUBRICANTS .......................................................................... 4-1 
4.2.1  SPECIAL TOOLS ................................................................................................ 4-1 
4.3  EXTERIOR COVERS..................................................................................................... 4-2 
4.3.1  FRONT DOOR .................................................................................................... 4-2 
4.3.2  PAPER TRAY 1 ................................................................................................... 4-2 
4.3.3  FRONT LEFT COVER......................................................................................... 4-2 
4.3.4  FRONT RIGHT COVER ...................................................................................... 4-3 
4.3.5  LEFT COVER ...................................................................................................... 4-5 
4.3.6  RIGHT REAR COVER ........................................................................................ 4-5 
4.3.7  RIGHT UPPER COVER ...................................................................................... 4-5 
4.3.8  PAPER EXIT TRAY ............................................................................................. 4-6 
4.3.9  REAR COVER ..................................................................................................... 4-6 
4.3.10 RIGHT DOOR ...................................................................................................... 4-6 
Reinstall the right door ............................................................................................ 4-8 
4.4  ADF UNIT ....................................................................................................................... 4-9 
4.4.1  ADF UNIT ............................................................................................................ 4-9 
4.4.2  PLATEN COVER SENSOR............................................................................... 4-10 
4.4.3  ADF FRONT COVER ........................................................................................ 4-10