Oki Data CONFIDENTIAL
42615101TH Rev.8 193 /
(2-2)Abnormal sound
Operation statuses of each
motor
Status of the Motor Cord
Operation statuses of each
motor.
Operation statuses of each
motor.
Status of each consumable
set
Cord cabling condition
around each cooling FAN
Confirm installation
conditions of insulation films
at the back side of CU and
PU boards
Confirmation Tasks
Confirm each motor operates correctly with the Self-diagnostic
Mode.
Check the presence of the load.
A "beep" sound in an abnormal condition.
Confirm cabling status of each motor.
Check with eyes and check for shorts with a tester.
Detach a motor cord at the board side to confirm resistance
between FG and each PIN of the detached cord.
Confirm each motor operates correctly with the Self-diagnostic
Mode.
Check the presence of the load.
A "beep" sound in an abnormal condition.
Confirm each motor operates correctly with the Self-diagnostic
Mode.
Check the presence of the load.
A "crackling sound" in an abnormal condition.
Check that gears of each consumable are set in a proper
position to fit each other with eyes.
Confirm that cord cabling around FAN is poor condition and a
cord does not touch a wing of FAN.
A "rattly" sound in an abnormal condition.
Detach the boards to check installation condition of the
insulation films with eyes.
Action at NG
Exchange a PU board
(PRN PCB) or Motor
driver board
(PRM PCB).
Exchange a motor
cord. Connect it
appropriately.
Exchange each
consumable.
Use FUSE KEEP
MODE of the system
maintenance menu
when using new
consumables as a test.
Exchange each
consumable.
Use FUSE KEEP
MODE of the system
maintenance menu
when using new
consumables as a test.
Exchange a required
mechanical part or
repair it.
Correct cord cabling
condition.
Correct if they are not
hooked in the correct
position.
(2-2-1)Check for the motor step-out (Driver trouble)
(2-2-2)Check for the motor step-out (Load trouble of consumables)
(2-2-3)Check the gear tooth skip (Load trouble of consumables)
(2-2-4)Confirm the cabling condition of the cord
(2-2-5)Confirm installation condition of the mechanical parts
Confirmation Items