Bad Odors Are Generated; Rise-Up Time Is Slow - Oki MC760 Maintenance Manual

Oki Data CONFIDENTIAL
Check item
(2-2-3) Check the jumping phenomena of gear tooth. (Abnormal load of the consumable item)
Operating conditions Check if operations of the respective motors are
of the respective normal or not by using the self-diagnostic mode.
motors Check if any load exists or not.
"Buzz buzz" sound is generated when an error
occurs.
Installation condition Check by visual inspection if the respective
of each consumable consumable items are installed in their normal
item positions in which gears of the consumable items
engage accurately or not.
(2-2-4) Check the wiring conditions of cables
Wiring conditions Check if the cable contacts with the fan blade
of the cables in because wiring conditions of the cables near fan
the vicinity of the is poor or not.
respective cooling "Clap, clap" sound is generated when an error
fans occurs.
(2-2-5) Check installation condition of mechanical parts
Check the Remove the CU/PU board, and inspect the
installation installation conditions of the partition plate by
conditions of the visual inspection.
partition plate under
the CU/PU boards.
45376001TH Rev.1
Action to be taken
Check work
at NG
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.
Replace an
appropriate
mechanical part
as required, or
adjust or repair
Correct the
wiring conditions
of the cable.
If they are not
hooked on the
normal specified
positions, correct
them.

(2-3) Bad odors are generated.

Check item
(2-3-1) Locating the exact position of generating bad odor
Fuser unit Remove the fuser unit and check the odor.
Low voltage power Remove the low voltage power supply unit and
supply unit check the odor.
(2-3-2) Check conditions of the fuser unit
Life count of fuser Check the life count of the fuser unit by using the
unit self-diagnostic mode.
Check that no Check that no foreign materials such as paper
foreign material are stuck inside of the fuser unit.
exists in fuser unit.

(2-4) Rise-up time is slow.

Check item
(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)
7. Troubleshooting and repair procedure
Action to be taken
Check work
at NG
Implement
section (2-3-2).
Replace the low
voltage power
supply unit
The fuser close
to the new fuser
unit smells some
odors.
Remove the
foreign material.
Action to be taken
Check work
at NG
Replace the
fuser unit.
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