44205401TH Rev.1
28 /
Oki Data CONFIDENTIAL
2. Operating instructions
Error-confirming method and Error-solving method
Use the color blur correction test function in self-diagnostic mode to confirm the
error. (See 5.3.1.6)
Error solving method
•
CALIBRATION(L or R), DYNAMICRANGE(L or R)
Check 1:
When the above display appears, please check the connection
of sensor cable (FFC).
When the connection is abnormal, please set it properly
.
Check 2: Please check if the surface of the sensor is dirty with the toner and paper
melts etc.
Check 3: Please confirm if the open and close operation of sensor shutter is
normal by utilization of MOTOR&CLUTCH TEST in self-diagnostic mode.
Exchange the shutter unit when the open and close operation is in
trouble.
If there are no problems in check 1, 2, and 3, please check the circuit.
Please exchange the color adjust sensor PCB, relay PCB, PU PCB, and the cable
one by one, and then check if the error is displayed.
•
BELT REFLX ERR
Chec
k 4:
When this display appears, please check the cleaning of the toner left
on the surface of the belt after finishing the above-mentioned check 1, 2,
and 3. Remove the belt unit, and rotate the left inboard drive gear. Please
confirm that the surface of the belt is cleaned completely.
W
he
n the residual toner left on the surface of the belt could not be
cleaned completely even if the drive gear is rotated, please exchange the
belt unit.
•
(Y or M or C) LEFT, (Y or M or C) RIGHT, (Y or M or C) HORIZONTAL
Check 5: When the above display appears, please confirm if the toner of NG color
is empty.
Please e
xchange the toner cartr
idge as required.
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