Ricoh D093 - BOARD LEDS, DIP SWITCHES

Board LEDS, DIP Switches
SM 7-69 D093/D094
Trouble-
Shooting
7.6 BOARD LEDS, DIP SWITCHES
This section describes the functions of the LEDs on the most important PCBs.
7.6.1 PSU
The PSU supplies dc current to electrical components and also controls the flow of ac current to
the fusing lamp, dehumidifiers (x4), and anti-condensation heaters (x2).
The following LEDs indicate the status of elements operation on the PSU.<0}
LED Color LED Definition LED State
LED 1 GREEN +5VE Output: ON
No output: OFF
LED 2 GREEN +5V Output: ON
No output: OFF
LED 3 GREEN +12V Output: ON
No output: OFF
LED 4 GREEN -12V Output: ON
No output: OFF
LED 5 GREEN +24V Output: ON
No output, fuse blown: OFF