Ricoh DD 4450 - DIP Switch Settings

Fuse, LED, VR, DIP-SW, AND TP Tables
C279 4-84 SM
4.14.4 DIP SWITCHES
Ink detection board
No. Normal drum Color drum A4 black drum
SW1 OFF OFF ON
SW2 OFF ON OFF
SW3 OFF OFF OFF
SW4 OFF OFF OFF
Controller Board
SW2 OFF ON
1 ROM boot SD card boot
2 Normal machine operation Boot only ROM monitor
3 Not used Not used
4 Not used Not used
Number SW Setting
SW3
Push
Switch
When the main switch is turned on while pushing
SW3, the controller board will go to the detailed
self-check mode.