45530603TH Rev.2
4-39
Oki Data CONFIDENTIAL
4. TROUBLESHOOTING PROCEDURE
Check item
Check work
Actions to be taken
at NG
(2-1-3) Check the system connection
Connection
condition of the
control panel
Check contents of (1-1).
The printer will not start operation until the
control panel is detected and its operation is
started.
Follow the
contents of (1-
1).
(2-2)
Abnormal sound is heard.
Check item
Check work
Actions to be taken
at NG
(2-2-1) Check loss of synchronization of motor (Driver error)
Condition of the
motor cable
Check for normal wiring conditions of the
respective motors.
Perform the visual check and measure
resistance at open circuit with VOM as follows.
Remove the motor cable at the board end.
Measure resistance between the respective
pins of the removed cable and FG with VOM.
Replace the
motor cable.
Re-connect the
cable for normal
conditions.
Operating
conditions of the
respective motors
Check if operations of the respective motors
are normal or not by using the self-diagnostic
mode.
Check if any load exists or not.
"Buzzer" sound when an error occurs.
Replace the PU/
CU PCB.
(2-2-2) Check loss of synchronization of motor (Abnormal load of the consumable item)
Operating
conditions of the
respective motors
Check if operations of the respective motors
are normal or not by using the self-diagnostic
mode.
Check if any load exists or not.
"Buzzer" sound when an error occurs.
Replace the
corresponding
consumable
item.
To use a new
part for a try,
be sure to use
New Parts
Keep Mode
of the System
Maintenance
menu.
Check item
Check work
Actions to be taken
at NG
(2-2-3) Check the jumping phenomena of gear tooth. (Abnormal load of the consumable
item)
Operating
conditions of the
respective motors
Check if operations of the respective motors
are normal or not by using the self-diagnostic
mode.
Check if any load exists or not.
"Buzz buzz" sound is generated when an
error occurs.
Replace the
corresponding
consumable
item.
To use a new
part for a try,
be sure to use
New Parts
Keep Mode
of the System
Maintenance
menu.
Installation
condition of each
consumable item
Check by visual inspection if the respective
consumable items are installed in their normal
positions in which gears of the consumable
items engage accurately or not.
Replace an
appropriate
mechanical part
as required, or
adjust or repair
(2-2-4) Check the wiring conditions of cables
Wiring conditions
of the cables in
the vicinity of the
respective cooling
fans
Check if the cable contacts with the fan blade
because wiring conditions of the cables near
fan is poor or not.
"Clap, clap" sound is generated when an error
occurs.
Correct the
wiring conditions
of the cable.
