Fan Motor Control - Oki OKIPAGE 12i Troubleshooting Manual

3.10

Fan Motor Control

The stop/rotation of the fan motor is controlled by FANON1-P and FANON2-N signals. When the
fan motor rotates normally, FANALM-P signal generated in the hole element built in the fan motor
is input to the CPU.
FANON1-P
109
CPU
FANON2-N
126
FANALM-N
110
FANON1-P
FANALM-P
FAN MOVE
Fan motor start: Initial request, heater on, print start request
Fan motor stop: •
•
•
Main (drum) motor
Heater control
Fan motor
TR503
5V
38V
5V
8VR
339/2901
IC10
0V 0V
FANON1-P FANON2-N
H L
H H
L X
The motor immediately stops when an engine error or a fan error occurs.
The motor stops 0 second or 8 minutes after the occurrence of a paper jam, size
error, or fuse error.
The motor stops in the power save mode as below.
ON
ON
Heater
hold time
8 min. or
0 sec.
38V
R561
3
TR504
0V
TR502
3
TR501
Fan motor rotation
Normal speed
Half speed
STOP
0.7 sec max
Lock
OFF
30 sec.
Rotation state
- 21 -
FAN
1
1
2
3
0V
OFF
Stop state
Fan Motor
M