Oki Data CONFIDENTIAL
42615101TH Rev.8 213 /
A cord to drive a fuser motor.
The power cord for a motor
driver board. A signal cord
for a motor driver board
Cord to drive a fuser motor
Fuser Motor
Confirmation Tasks
Check a connection status of the cord.
DRPOW, DRSIG connector of the PU board (PRN PCB).
HEAT connector, POW connector, PUIF connector of the motor
driver board (PRM PCB).
Check half connection, incomplete plug-in or installation status
of the cord with eyes.
Confirm that a cord is not stuck when installing of the device.
Pull out HEAT connector of the motor driver board (PRM PCB)
to check the followings.
A short between 1pin-FG
A short between 2pin-FG
A short between 3pin-FG
A short between 4pin-FG
Confirm that the following resistances are seen in each pin
terminal at the cord side, removing HEAT connector of the
motor driver board (PRM PCB).
Between 1pin-2pin:Approx.6‰
Between 3pin-4pin:Approx.6‰
Action at NG
Correct a connection
status.
Exchange it to a normal
cord.
Return the installation
to a right condition by
exchanging a cord.
Exchange a fuser
motor.
(6-2-4)Confirm connection systems
Confirmation Items
Fuser Motor
Confirmation Tasks
Confirm that a fuser motor operates correctly with Motor &
Clutch of the Self-diagnostic Mode.
Check with the presence of the load.
Action at NG
Exchange a motor
driver board
(PRM PCB), a fuser
motor or fuser unit.
Use FUSE KEEP
MODE of the system
maintenance menu
when using a new fuser
unit as a test.
(6-3-1)Confirm status of the motor operation
Confirmation Items
(6-3)Paper exit jam occurs in a path route
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