Cause

Colour registration Abnormality

Resolution

Step 1.
Clean the eyes

Step 2.
Power the machine OFF from the main switch leaving the sub switch ON.
Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode.
-02 process adjustment
-02 drum peculiarity
-06 toner revert Select "All on" - Select the Start Button (all values need to be around 1.26) Keep running until you get the values near 1.26. When it completes return out of screen.
-02 gamma automatic adjust - Select the Start Button (wait for adjustment to complete)

Step 3.
-01 Machine Adjustment
-01 Printer Adjustment
-10 Colour Registration Adjustment - Select the Start Button (wait for adjustment to complete)
When completed exit out of service mode.