8353ci randomly second side is picked up on the first side when scanning

[fishleg]

Hi,

Pita we have a machine that will randomly pick-up the second side of the page on the first side when scanning. It's as if they are using thin paper and it shines through but they aren't, paper is 80gsm and it's totally random when it wants to do it.

Cis scanner for 2nd side doesn't have the problem only when they scan the 1st it will shine through.

We've tweaked the machine to death trying every user setting to do with the scanner and nothing offers a permanent fix. Tried all the obvious prevent bleed through, background adjust etc.

Is there anyway to adjust it in service or is possible the optics are out in some way I don't know about?

I do have the test sheet a but I'm not sure if that sets up the background.

We have two identical machines and one plays ball with the same settings and other does not.

Appreciate any help.

[Lunatech]

I haven't seen that happen, but I have been told about it a few times. My best guess in the cases I have fielded for this issue is the CIS white roller was soiled and caused the CIS to self adjust in a way that caused it. I think that because after being told about it I cleaned the roller and it was never a problem. I have made it part of my routine to clean it and I haven't had a complaint in 4 years.

For what it's worth I hope this helps.

[KYO_OEM]

if you have the chartA, use it.
If i receive claims regarding scan problems, my suggestion is always to run U411 first to recalibrate the scanner.
Perform Table, FU and FD
Try and hope....