IR4570 Shadow upper right Corner

[fornerm]

Hello,
the Problem is on IR4570 on Single Copy oder more on A4.
I Change Paper Typ, DV Unit, Laser Unit, its the same.
See the Example. It is on the Paper before the Paper go in Fixing Unit.
The Shadow is on the upper right Corner, even then i print a Testpage from
Service Menu.
Look the Atachment.


Have anybody a Idea ?
Thanks a lot.

[Cabo]

Re: IR4570 Shadow upper right Corner

Try to clean led array

[r3d343420]

Re: IR4570 Shadow upper right Corner

Does the defect appear on the drum when you do an emergency stop? is everything clean inside the right door?

[Canon.Tech]

Re: IR4570 Shadow upper right Corner

Have you tried a new drum unit (Canon) & are you using genuine Canon toner?

[mramlawi]

Re: IR4570 Shadow upper right Corner

change a new drum , or check the cylander

[fornerm]

Re: IR4570 Shadow upper right Corner

Hello all,
thanks for answer. LED Arry is clean and i change for test. Drum is change too, Toner is canon org.
all is clean.
the latete picture on drum unit is ok, no Shadow; Now the Picture on Paper before fixing is ok.

after further troubleshooting, i can say.......
The error occurs when the paper is between the drum and Fixing Unit or before it in the fixing is running.
something like that, maybe a Guide Problem..?
the image is blurred ?.
but I do not know what I can do about it

Something Ideas ?

regards

[Mina Banoub]

Re: IR4570 Shadow upper right Corner

Hello all,
thanks for answer. LED Arry is clean and i change for test. Drum is change too, Toner is canon org.
all is clean.
the latete picture on drum unit is ok, no Shadow; Now the Picture on Paper before fixing is ok.

after further troubleshooting, i can say.......
The error occurs when the paper is between the drum and Fixing Unit or before it in the fixing is running.
something like that, maybe a Guide Problem..?
the image is blurred ?.
but I do not know what I can do about it

Something Ideas ?

regards

Replace the fixing film Ass`y

[fornerm]

Re: IR4570 Shadow upper right Corner

yo, i replaced the complete Fixing Assy. And ? The Same..

Does anyone have the possibility to search for technical information at Canon ?

[Dan Dryer]

Re: IR4570 Shadow upper right Corner

Check the condition of the Static Eliminator. If there's any damage or paper fragments stuck there, it can cause this type of toner scattering or blurring at the lead edge.

There's also a setting in service mode COPIER>OPTION>BODY>FIX-SMR which changes the Dev bias and may help with this issue.

[Eric1962]

Re: IR4570 Shadow upper right Corner

It is possible that this is the position of the side door is not correctly positioned

[fornerm]

Re: IR4570 Shadow upper right Corner

to Dan Dryer:
Sounds good, I'll try it......

to Eric1962: I too have thought, but could find nothing ..............

[tinnyjay]

Re: IR4570 Shadow upper right Corner

Hello,
the Problem is on IR4570 on Single Copy oder more on A4.
I Change Paper Typ, DV Unit, Laser Unit, its the same.
See the Example. It is on the Paper before the Paper go in Fixing Unit.
The Shadow is on the upper right Corner, even then i print a Testpage from
Service Menu.
Look the Atachment.
[ATTACH]17360[/ATTACH]

Have anybody a Idea ?
Thanks a lot.

First you make a print and see if the problem is the same like copying.
I dont want to debate,but it looks like you are "cheating" us,because drum,developer unit,bad toner,cleaning blade,coronas doesnt cause this problem.
Is the same dirty image in the same place of paper!!!!
If this problem is real,you must check up scanner components.
Clean the glass of copier and lens and it will be ok.

PS A bad motherboard could also cause this!

[jake24482]

Re: IR4570 Shadow upper right Corner

check the side door position make sure every thing is OK on door assembly. I think the problem in in door assembly.I had a same problem and replace every thing like drum ,DV,fixing assembly .That did not take care of the problem door did

[arielcanon]

Re: IR4570 Shadow upper right Corner

First you make a print and see if the problem is the same like copying.
I dont want to debate,but it looks like you are "cheating" us,because drum,developer unit,bad toner,cleaning blade,coronas doesnt cause this problem.
Is the same dirty image in the same place of paper!!!!
If this problem is real,you must check up scanner components.
Clean the glass of copier and lens and it will be ok.

PS A bad motherboard could also cause this!

Let's think positive, no problem, just see what happen next..., we have many experience people here..
poster already said > The Shadow is on the upper right Corner, even then i print a Testpage from
Service Menu. means thats process is problem (without using scanner)

[fornerm]

Re: IR4570 Shadow upper right Corner

Update to Dan Dryer:
i tested Fix_SMR several Week, Problem could not be resolved and is still current.


Maybe I'll try the door yet. I think not, but anything is possible