44205401TH Rev.1
154 /
Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
Check item Check work
Action 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
Chec
k if the cable contacts with the f
an 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.
(2-2-5) Check installation condition of mechanical parts
Check the
installation
conditions of the
partition plate under
the CU/PU boards.
Remove the CU/PU board, and inspect the
installation conditions of the partition plate by
visual inspection.
If the
y are not
hooked on the
nor
mal specified
positions, correct
them.
(2-3) Bad odors are generated.
Check item Check work
Action to be taken
at NG
(2-3-1) Locating the exact position of generating bad odor
Fuser unit Remove the fuser unit and chec
k the odor. Implement
section (2-3-2).
Low voltage power
supply unit
Remove the low voltage power supply unit and
check the odor.
Replace the low
v
oltage power
supply unit
(2-3-2) Check conditions of the fuser unit
Life count of fuser
uni
t
Check the lif
e count of the fuser unit by using the
self-diagnostic mode.
The fuser close
to the new fuser
unit smells some
odors.
Check that no
foreign material
exists in fuser unit.
Check that no foreign materials such as paper
are stuck inside of the fuser unit.
Remove the
foreign material.
(2-4) Rise-up time is slow.
Check item Check work
Action to be taken
at NG
(2-4-1) Check the fuser unit
Halogen lamp
Check that 120V or 230V is shown on the label
on the rear of the fuser unit.
(120V:ODA,230V:ODA/OEL)
Replace the
fuser unit.
(2-4-2) Check the optional parts Note:
Add-on memory Install the optional parts (add-on memory) again
and re-check the operations.
Replace the
optional part.
SD Memory card Install the optional part (SD Memory card) again
and re-check the operations.
Replace the
optional part.
Note! If any troubles such as printer does not start up normally occurs, remove
the CU options (RAM, SD Memory card) and check if the trouble symptom
changes or not.
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