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Back in the day, we used Styrofoam(sp) cups to clean the grids. Roll the cup along the pointy side of the grid. It cleaned them very well!

Check thermostats!!

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There may be something going on with the laser or the values for the laser may be out of whack.

I may be mistaken but, I think the HDD comes as an option for this model.

Tray heaters may remedy this issue as well. We've been installing quite a few on the 03 color series here lately.

UPDATE: Machine is fixed. Technician was going over harnesses and two of them "clicked" into place. SC120 went away.

Machine goes back to customer tomorrow. So, what ultimately fixed the SC553...

OK, we have solved the 553 and are able to make internal prints. I replaced the thermopile and the IH Coil pcb and it didn't lthrow the code after this.

BUT... the 120 is still there. I tried a...

Thanks!

For future reference, what are the part numbers for these switches? Thanks

Update: We pulled the thermopile for a visual inspection, put it back in the machine and now we're getting a SC120 followed by the 553. We can move the scanner across to see if it goes back to home...

Thanks TonerMunkeh, I have located the thermopile. Do you think it could have gotten shorted out when the thermistor was damaged originally? This all started after the outside thermistor"s connector...

Ok, this what we have tried.......We put a new BCU in and the copier came to ready and made a print. We put the covers back on only to have it code out (553) again. Next we tried a new power supply...

Sorry, but I haven't had a chance to talk to him more about this being that we are a couple of techs short and have been busy as hell. If/when I learn more, I will post it. Later!

Thanks Fearless, By thermopile, you mean thermostats/thermistors, correct? There is a brand new fuser in it now so it should eliminate that being the problem.

Is the IH converter fan to the...

Yep, nailed it.

Ahhhh, this has bit me before. A 2045 and 3045 dv unit is not the same. I was getting light copies wondering if I got a bad new unit. Went and cross referenced the part numbers. Doh!! Not the same. :/

New dv lower case and mag roller gears. Get a sales lead turned in. ;) Good Luck!

Hey guys,

We are getting a SC 553 on a C4500. We have swapped fusers and tried a new IOB. The service manual points at the BCU or the PSU. Before we order anymore boards, I was going to see if...

I have had this issue when there is moisture in the paper. I know you say it happens before it hits the fuser, just a thought. Let us know what you find.

He said it was uner EDIT and then margin shift.

Aint that the truth!! I spoke with the technician earlier and he said an adjustment took care of it.

All is well, for the moment.

Thanks again for the replies/suggestions!!

Thanks for the replies. Tcs04, this is a copy issue not original. It isn't jamming, it is picking up the trail edge(line) of the original. Being that the tab paper is over sized, this makes sense....

I have had this happen to me and I feel your frustration. That is why we just go ahead and replace both the MBU and the FCU. I don't know specific costs but, that MBU shouldn't cost too much.

Hello All,

A fellow technician of mine is having issues on a 907EX with TAB paper not centering correctly lead to trail edge. The tech states that it is catching the trail edge of the original....

I have to agree with duct tape. Let us know what fixes it.