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ck1
06-10-2008, 11:48 AM
II have one C250 , print solid print come out white spot.( IU half of life span ) any solution ? thanks

leo
06-10-2008, 01:50 PM
probably 1 of your IU anyway try to copy somthing in solid color,in singlecolor mode.Cyan magenta yellow black 1 each to see which IU who fails

Matt25112
06-10-2008, 02:04 PM
Do you know how to enter the service mode...utility- meter details- stop-0-0-stop-0-1....in the service mode unter test mode you can test each iu isolated...def sounds like an iu though.

ck1
06-10-2008, 02:49 PM
you mean change IU ? i try test mode ,yes come out small white spot .but offen come out this problem just halt of life span (Costing problem :confused: ). i clear charging of drum also same .

Matt25112
06-10-2008, 04:07 PM
yes, very costly problem....but have not seen any other way around...have tried cleaning anything i can

DadO
06-12-2008, 07:22 AM
Clean it properly ! u dot have an procedure for cleaning I/U's bit its quite easy. Only thing was hard in cleaning till i didn't find 2 screws hiding under the label :D

This will help u

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