44952001TH Rev.2
7-54
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
Check item
Checking method
Action in case of NG
(2-2-3) Check for gear jumping (load by consumables)
Operation of each motor
Check whether each motor
operates properly using the self-
diagnosis mode.
Check by detection of a load.
Noise that sounds like "batz batz"
is made when there is a fault.
Replace the
consumable(s).
When testing with a new
consumable part, use
the fuse keep mode on
the system maintenance
menu.
Position of consumables
Check visually whether each
consumable gear is in place and
they engage with one another.
Replace or repair
mechanical part(s).
(2-2-4) Checking cable wiring
Cable wiring around cooling
fans
Check whether a cable touches
the blades of a fan as the cable
is not properly laid.
When it does, noise that sounds
like "clack clack" is made.
Lay the cable properly.
(2-3) Abnormal odor
Check item
Checking method
Action in case of NG
(2-3-1) Locate the position with abnormal odor occurred.
Fuser unit
Take out the fuser and confirm
the odor.
Perform (2-3-2).
Low-voltage power supply
unit
Take out the low-voltage power
supply unit and confirm the odor.
Exchange low-voltage
power supply unit
(2-3-2) Check the condition of fuser.
Life count of fuser
Confirm the life count of the fuser
by the maintenance utility.
It may have abnormal
smell around a new
printer.
Foreign confirmation of fuser
Confirm whether the fuser is
jammed with foreign body such
as paper inside.
Remove the foreign
body.
(2-4) Slow starting time
Check item
Checking method
Action in case of NG
(2-4-1) Check a fuser unit
Halogen lamp
Confirm the wattage of the
halogen lamp mounted in the
fuser.
Exchange for wattage
parts of the rated
voltage.
(2-4-2) Check optional parts
Expansion memory
Reset the optional parts
(expansion memory) and recheck
the operation.
Exchange optional parts
(3)
Error number and jam location at paper jam
Name
Reference Corresponding
Jam release method
Feed (front cover jam)
J5
IN2, WR
Jam release method
Transport (paper feed jam)
J6
IN1, IN2, WR,
EXIT
Jam release method
Exit (paper reject jam)
J7
EXIT
Jam release method
Tray1 (paper feed jam)
J10
IN1
Jam release method
,
Paper size error (paper size
error)
J12
IN1
Jam release method
J7(EXIT)
IN2 sensor
EXIT sensor
J10(TRAY1)
J6(TRANSPORT)
WR sensor
J5(FEED)
J12(PAPER SIZE ERROR)