Motor Control - Oki OKIPAGE 12i Troubleshooting Manual

3.8

Motor Control

(1) Registration and main (drum) motors
A registration motor and a drum motor are driven by means of control signals from the CPU
and a driver IC.
Main Control Board
CPU
(2) Drum motor
DMON1-N
DMPH1-P
DMPH2-P
DMPH1-P
132
DMPH2-P
131
DMON1-N
127
RMPH1-P
134
RMPH2-P
133
RMON-N
3
T0 T1
IC9
+38V
A2918SW
13 DMPH1-N 1
1
8
DMPH1-P 2
17
DMPH2-N 3
7
2
DMPH2-P 4
14
4
IC8
+38V
26
RMPH1-P 1
3
MTD2005F
RMPH1-N 2
17
7
RMPH2-P 4
27
8
RMPH2-N 3
16
12
T2 T3
Operation at normal speed: T0 to T3 =0.82 ms
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DM
Main (Drum) Motor
M
RM
Registration Motor
M