Aficio 5560 - Banding Cyan

[ryanking001]

Hi Guys, I am battling with a Af 5560, I am getting banding only in cyan I have done the following
Replaced Complete Pcu (including dev unit and dev, charge ect.)
Upgraded firmware
replaced bias contacts
replaced high voltage supply
checked all wiring
replaced complete transfer bed ( also ptr and lube bar ect)
reset all sp to factory settings
Any ideas will be great

Thanks Ryan

[Tonerbomb]

Hi Guys, I am battling with a Af 5560, I am getting banding only in cyan I have done the following
Replaced Complete Pcu (including dev unit and dev, charge ect.)
Upgraded firmware
replaced bias contacts
replaced high voltage supply
checked all wiring
replaced complete transfer bed ( also ptr and lube bar ect)
reset all sp to factory settings
Any ideas will be great

Thanks Ryan

what about the cyan PCU drive?? if bk,m, and y are ok then look at the drive for C. I havn't had this yet but thats where I would start looking.

[FRIDGEMAGNET]

Hi
You could have just swapped the PCU with the magenta one to prove the PCU.
What kind of banding do you have? Wide - 25mm apart, narrow - 1 or 2 mm apart.
I have found the narrow banding is usually caused by undertoning and the wider banding is something that cant be got rid of totally (usually found in places where large solids ie: blue power-point pages are printed in large quantities.
On machines that I have visited with banding I tried swapping/replace the complete PCU/dev drive units and had no success.
Good luck.