Oki Data CONFIDENTIAL
45850101TH Rev.1
2-43
2. TROUBLESHOOTING PROCEDURES
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 CU/
PU board.
(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.
If any attempt
of using new
part as a trial
is going to be
made, be sure to
use the System
Maintenance
Menu FUSE
KEEP MODE.
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.
If any attempt
of using new
part as a trial
is going to be
made, be sure to
use the System
Maintenance
Menu FUSE
KEEP MODE.
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.
