Oki Data CONFIDENTIAL
43163501TH Rev. 1
166 /
7.5.3.(6)
Color drift is wide.
(6-1)
"IN ADJUSTING COLOR REGISTRATION" is shown only a short time
Time of color difference
correction
(If the correction is normal, it
should be about 30 seconds.)
Residual toner
Dirt of sensor
Defective operation of shutter
Confirmation Tasks
Please perform REG ADJUST TEST of color difference
correction test function of the maintenance utility, and then
check the result of test.
Check whether "TONER LOW" or "TONER EMPTY" is
displayed by the status monitor.
Does the sensor get dirty from toner and paper scrap?
By using the motor clutch test function of the maintenance
utility, check whether the shutter operates normally.
Action at NG
Clean the sensor.
Replace the shutter
with a new one.
Replace the main
board (BLA PCB).
Replace the color
difference sensor board
(PRE PCB).
Replace the toner
cartridge with a new
one.
Wipe the dirt off.
Replace the shutter
with a new one or
correct the mechanism.
(6-1-1) Result of color difference correction
(6-1-2) Toner
(6-1-3) Color difference sensor
(6-1-4) Color difference sensor shutter
Confirmation Items
(6-2)
Although REG ADJUST TEST of the engine maintenance function is OK, Color drift is seen
Paper feed system condition
of paper-feeding route
Confirmation Tasks
Check whether the parts that may disturb the operation during
paper-feeding route exist.
Action at NG
Remove the parts.
(6-2-1) Paper feed system
Confirmation Items
