42615101TH Rev.8 36 /
Oki Data CONFIDENTIAL
How to check errors and Handling of the errors
Confirm with the color registration adjustment test of the self-diagnostic mode (Section 5.4.2.6)
Handling for each error
• CALIBRATION(L or R), DYNAMICRANGE(L or R)
Check 1 Check a connection state of a sensor cable (FFC) if the above description
appears.
Correct to a normal state if the connection state is wrong.
Check 2 Check that the surface of the sensor is clean without paper dust and toner.
Wipe it off if it is dirty.
Check 3 Check whether an opening-closing motion of the sensor shutter is normal with
MOTOR&CLUTCH TEST of the self-diagnostic mode.
Exchange the shutter unit when the opening-closing motion is not complete.
• BELT REFLX ERR
Check 4 Check a cleaning state of the toner left on a belt surface besides the above
Check 1, 2, and 3 if this message appears.
Take the belt unit out of the device and check that the belt surface is clearly
cleaned by rotating a drive gear in the back at the left side.
Exchange a belt unit when a toner of the belt surface is left and it is not clean even
if the drive gear rotates.
• (Y or M or C) LEFT, (Y or M or C) RIGHT, (Y or M or C) HORIZONTAL
Check 5 Check that a toner is not deficient due to NG color when the above message
appears.
Exchange a toner cartridge if needed.
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