Ricoh D146 Service Manual page 12

Shutdown Method ................................................................................ 4-2
Forced Shutdown ................................................................................. 4-2
4.2 BEFOREHAND .......................................................................................... 4-3
4.3 SPECIAL TOOLS ....................................................................................... 4-4
4.4 EXTERIOR COVERS ................................................................................ 4-5
4.4.1 FRONT COVER ................................................................................ 4-5
4.4.2 CONTROLLER COVER .................................................................... 4-6
4.4.3 UPPER LEFT COVER ...................................................................... 4-7
4.4.4 LEFT REAR COVER ........................................................................ 4-8
4.4.5 LEFT COVER ................................................................................... 4-8
4.4.6 REAR COVER ................................................................................ 4-10
4.4.7 REAR RIGHT COVER .................................................................... 4-11
4.4.8 REAR LOWER COVER .................................................................. 4-11
4.4.9 SCANNER REAR COVER .............................................................. 4-11
4.4.10 SCANNER REAR COVER (SMALL) ......................................... 4-12
4.4.11 RIGHT REAR COVER .............................................................. 4-12
4.4.12 RIGHT UPPER COVER ............................................................ 4-13
4.4.13 MAIN POWER SWITCH COVER .............................................. 4-13
4.4.14 WASTE TONER COVER .......................................................... 4-14
4.4.15 REVERSE TRAY....................................................................... 4-14
4.4.16 PAPER EXIT TRAY................................................................... 4-15
4.4.17 PAPER EXIT COVER ............................................................... 4-15
4.4.18 PAPER EXIT LOWER COVER ................................................. 4-16
4.4.19 PAPER EXIT FRONT COVER .................................................. 4-17
4.4.20 INNER UPPER COVER ............................................................ 4-18
4.4.21 INNER LOWER COVER ........................................................... 4-18
4.5 CONTROLLER UNIT ............................................................................... 4-19
4.5.1 OPERATION PANEL ...................................................................... 4-19
4.5.2 BOARD A ........................................................................................ 4-20
4.5.3 BOARD B ........................................................................................ 4-21
4.5.4 BOARD C ....................................................................................... 4-22
4.5.5 LCD PANEL .................................................................................... 4-22
4.5.6 LCD ................................................................................................. 4-23
Notes when replacing the LCD ........................................................... 4-23
Replacement procedure ..................................................................... 4-25
4.6 SCANNER UNIT ...................................................................................... 4-27
4.6.1 SCANNER EXTERIOR ................................................................... 4-27
Scanner Upper Cover......................................................................... 4-27
Scanner Right Cover .......................................................................... 4-27
SM vii D146/D147/D148/D149/D150