42615101TH Rev.8 38 /
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 5.4.2.7)
Handling for each error
• CALIBRATION ERR, DENS SENSOR ERR
Check 1 Check a connection state of the sensor cable when the above message
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.
• EDENS SHUTTER ERR
Check 3 Check whether an opening-closing motion of the sensor shutter is normal with
MOTOR&CLUTCH TEST of the self-diagnostic mode.
• DENS ID ERR
Check 4 Check that there is no abnormal blushing on a drum surface by taking an ID unit
out.
Exchange a LED head (Defocusing) or exchange an ID unit.
Apply FUSE KEEP MODE of the maintenance menu when a new ID unit is used
as a test.
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