Reset Control - Oki OKIPAGE 12i Troubleshooting Manual

3.3

Reset Control

When power is turned on, a CLRST-N signal is generated by the rising sequence of +38V and
+8V power supply.
+38V +8V
D2
(15V)
Power ON
+38V
IC10 Input
CLRST-N
+5V
+8V
5
6
+38V
+8V
IC10-5
IC10-6
- 10 -
+5V
+
7
–
IC10
Power OFF
172
CPU
To Option Board