Ricoh IS450S Service Manual page 58

22 December 1998
LED Indication Table
Counter Value
0
1
2
3
4
5
6
7
8
9
Use the rotary switch to select a digit of the counter. The value of the selected digit
is indicated by a combination of the four LEDs. For the LEDs, "ON" represents a 1
and "OFF" represents a 0. The four LEDs are read off as a four-bit number.
Example:
Rotary switch no
1 (units)
2 (tens)
3 (hundreds)
4 to 7
Power On Machine Busy
(Green)
—
—
—
—
—
—
—
—
On
On
LED condition
(ON, OFF, OFF, OFF)
(OFF, OFF, ON, ON)
(OFF, ON, OFF, ON)
(OFF, OFF, OFF, OFF)
>>> Total counter value = 538 sheets
DIP SWITCH SETTINGS
LEDs
Document in
(Green) Place (Green)
—
—
— On
— On
On
On
On On
On On
—
—
= 1000 = 8
= 0011 = 3
= 0101 = 5
= 0000
4-5
Error
(Red)
— —
— On
—
On
— —
— On
—
On
— —
— On
On: LED on —: LED off