Richo 270 SC322 fault. (Aficio)

[Makin-copies]

Hey folks,
I'm not a copier tech, but I do bring my tech skills from another field. So I should be handle what suggestions are thrown my way.
I've got this copier, RICHO 270. It was reporting a paper feed issue. when making a copy it would pull paper from tray 1 or 2 but then shortly there after.
I would have to open the side doors and pull the paper out.
This machine was quite filthy with toner so I pulled it apart and cleaned everything has delicately and thoroughly as I could.

I put it all back together, and now I've got this SC322 code.
I checked, and everything appears to be back in place. I even tried...
To reset this error try the code:
"Clear Mode"+107+"Clear/Stop" hold for 5s.
Turn ON and OFF the Main Switch.

Any suggestions... I can load up pictures for viewing...
Thanks,

[Elmo]

SC322: Laser synchronization error
-Definition- [B]
The main scan synchronization detector board cannot detect the laser
synchronization signal for more than 5 consecutive 100 ms intervals.
- Possible causes -
· Poor connection between the laser synchronization detector board and the
BICU board
· Laser synchronization detector board out of position
· Laser synchronization detector board defective
· BICU board defective
· LD unit defective

You must realise this machine went out of production in 2001 you may not get parts for it

[Makin-copies]

I know... but I want to give it a try. I feel like I've caused this fault... and it s simple fix..
That's the hope.

[slimslob]

Your best bet is to replace the machine. If you really want to try to fix it, you are going to need a new laser unit part number A2671900.

[LANUN_81]

do pm me if you want used laser unit

[Mark Bbb]

Let us pray for another printer gone to the forever printing fields...

[copyaction]

Its been a while but I believe faulty door interlock switches also caused the code on this model.