Ricoh D025 - Page 22

D023/D025 x SM
When installing the new BICU.....................................................4-144
4.14.7 PSU....................................................................................4-145
PSU bracket................................................................................4-145
PSU board...................................................................................4-145
4.14.8 ITB POWER SUPPLY BOARD ..........................................4-146
4.14.9 HIGH VOLTAGE SUPPLY BOARD....................................4-146
4.14.10 HIGH VOLTAGE SUPPLY BOARD BRACKET ..............4-147
4.14.11 CONTROLLER BOARD..................................................4-148
When installing the new controller board.....................................4-148
4.14.12 HDD FAN........................................................................4-149
4.14.13 HDD................................................................................4-150
When installing a new HDD unit..................................................4-150
Disposal of HDD Units.................................................................4-150
Reinstallation...............................................................................4-151
4.14.14 NVRAM REPLACEMENT PROCEDURE .......................4-152
NVRAM on the BICU...................................................................4-152
NVRAM on the Controller............................................................4-152
4.15 USING DIP SWITCHES..............................................................4-154
4.15.1 CONTROLLER BOARD .....................................................4-154
4.15.2 BICU BOARD.....................................................................4-154
SYSTEM MAINTENANCE REFERENCE
5. SYSTEM MAINTENANCE REFERENCE ................................5-1
5.1 SERVICE PROGRAM MODE...............................................................5-1
5.1.1 SP TABLES .................................................................................5-1
5.1.2 ENABLING AND DISABLING SERVICE PROGRAM MODE ......5-1
Entering SP Mode ...........................................................................5-1
Exiting SP Mode..............................................................................5-1
5.1.3 TYPES OF SP MODES ...............................................................5-2
SP Mode Button Summary..............................................................5-2
Switching Between SP Mode and Copy Mode for Test Printing......5-3
Selecting the Program Number .......................................................5-3
Exiting Service Mode.......................................................................5-4
Service Mode Lock/Unlock..............................................................5-4