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At 22 - 03 i get A1 code

Syptom : bypass fail to feed the paper , it takes the paper 5 cm in and then stucks.
Changed the Manual feed pick up roller (NROLR1267FCZ1) and cleaned all the system including (NROLR0922FCZ2)...

My friend has a Sharp 5516 with 90.000 copies. He gets F2-40 error and he uses compatible toner not the original. I suspect there is no developer left or dev sensor is faulty. The problem...

i have
-changed ther dev 2 months ago (original)
-changed the dev unit
-changed the Assembly, Bottle Drive
F6 21 = 27
F6 26 = 0
If i manually feed toner in the developer the copy is perfect...

The machine produces light print copies with developer dust on them. I changed the Assembly, Bottle Drive , cleaned all the bearings in developer section. The only thing left is to change...

i think you are right something is stalling
i tried f8-47 but nothing happened
doesn't have the duplexing ADF

I am scanning landscape
when i scan portrait its ok
it only happens on ADF and doesnt jam

problem with adf unit
please see attachment

No i don't have another to test it ,but i'll take it off to see if there is an optical sign or something ....

when i print colour copies a white line appears especially on yellow colour. I've changed drum (y) but still the same ,, any thoughts?23269

the guys above are just right , same thing happened to me and changed the 2 rear fans and everything is OK

copiman
i looked to the problem (dissasembled and cleaned the the back of the process unit) today according to your suggestions and the copier works fine , i looked also into the developer unit...

just 2 months ago i faced a problem with workio 8020, the copies were fading (very light colour)and i found that developer had ended.Changed developer and all were ok.
Now my customer said that it...

ok guys at last i opened the lsu and cleaned the polygon mirror, the machine came to its normal operation.
All the replies were very helpfull thanks.

yes exactly the same with black lines (blade etc)

Copiman i can see it on the drum , when i stop the machine i see an area on the drum with characters not bold like the rest of the surface. Still remind you that i've changed drum , mag roller etc....

here are 2 images showing the poor quality copier at the lowest part of the paper
2276322764

I interrupted the printing and saw the white patches on the paper before enters the fuser.
the same problem occurs when i test print from f1 test pages

yesterday i finished the service (maintenance kit 120k) on a panasonic 1510 and when i make copies or print from pc i see white patches on a particular area of the paper always at the same spot.
I...

the same happened to me and changed developer dude
strange things from a strange company

Bypass starts feeding paper only the half of it and then stops without an error or noise.
I've changed feed roller (before this the paper didnt move at all)
i plan to change torque limiter ,...