Copy problem with Konica C6501

[Shano74]

Can you make Black and white copy only please,no no colour,what happens?

Your previous samples,was it printing or copying?

[sadanand]

Your previous samples,was it printing or copying?

both 12x18 was print and A4 copy

[Shano74]

both 12x18 was print and A4 copy

Ok,I know you might be frustrated by now,but this is very uncommon issue
if you know how to remove covers,i want you to disconnect all connectors and reconnect them on all the boards on the printer,every pcb,disconnect and reconnevt them carefully and properly,this might take time,but really important,i dont know history of this printer,but really intrigued by your issue.
let me know once you completed

[Shano74]

any news?

[sadanand]

any news?

Tried but no use same problem

[Shano74]

Tried but no use same problem

I suspect you might have faulty Image processing PCB,the problem only happens when you do anything related to colour,you can cancel out any faults on the engine,this is on your processing side,maybe even some interference even,electronic noise,if you have access to anther printer,you must try and swap the PCB and test,i hope what im trying to say make sense,do you have access to any other printer?

[sadanand]

I suspect you might have faulty Image processing PCB,the problem only happens when you do anything related to colour,you can cancel out any faults on the engine,this is on your processing side,maybe even some interference even,electronic noise,if you have access to anther printer,you must try and swap the PCB and test,i hope what im trying to say make sense,do you have access to any other printer?

yes i will try today and let you know thanks for your kind help

[sadanand]

The problem seems to be with Image processing Board when i check with output mode 98-05 it shows NG and 98-01 Dram check it shows OK can someone help me repair Image processing Board as no other board is available Thanks in advance

[Shano74]

The problem seems to be with Image processing Board when i check with output mode 98-05 it shows NG and 98-01 Dram check it shows OK can someone help me repair Image processing Board as no other board is available Thanks in advance

All the best.
cheers.

[sadanand]

Thanks for coming to conclusion and keeping my moral