imagepress c1 need tons of help

[Penvy]

First I would like to thank you for your help!
I did the dc clear
and yes the "brush" on each unit looks good.

Keep in mind It will copy a b&w just fine even a solid bk

Its the color . now the Y has done a test dens with full coverage.
but the C and M start somewhat but serious void about 3 in into it.
The pattern looks like a beach with small water mark ripples and going to white.
same for both C and M

The prim wire and grid look OK and that would not print B&W if bad as far as I know.
and yes the toner on each color look well blended and brush.
the Y will print the whole page but not the C or M.

The M starts but some hard banding and uneven then into that beach effect and looks as if the toner just wont get off the dev unit.

I just dont feel as if its the patch sensor.
I did a ck on the shutter for it and watched it work as well as the atr flag.


but the display dens will show the default # on the dens and sgnl
but then print and error shutoff and the dens settings on display back to 0

I really think theres something going on with the dev units C am M just not getting the proper toner on drum then 0000020 error.
or the patch sensor for the K and Y is ok but the C and M not.


well I now know enough to tell a good tech like you whats up
Shur would like call you .
ill see if i can pm you my # if its ok.

thanks again

[Oze]

AHHHHHHH...

but the display dens will show the default # on the dens and sgnl
but then print and error shutoff and the dens settings on display back to 0

The density readings at startup will always be zero until a copy/print is made....for example...when I'm checking density readings I always run an Autogradation as soon as the machine has booted.
Can you tell me the exact error code and sub code?...I
can go to dealer support for you if I know the code.

[Penvy]

Its usually 0000020 xx1a or xx86 xx12
always with the ATR or patch .

its showing that the led's 1,2,3 have values of 134.132 etc.
just the fact that the display dens WILL show the default after a boot, auto grad and you can hear the shutter and cylinder spin the the color units.
I think that its the dev units that were clumping and voiding.
thats when we pulled them and cked the blades.

the fast thing would to just clean them out and refresh the dev/toner
like some of the other machs.

Yes I know thats messy and for a tech to pull apart the dev unit and clean
is to much work for the tech in the field but their $$$ to just replace and send them back to do just the same at the factory or even toss!.

The iron oxide refresh dev powder should be easy enough to find

come to think about it after a while the den powder gets wasted too. and will empty out of the dev unit.
If I could find the dev powder I would just clean it out and treat it as a new install for each color.

but that does not fix the whole prob.
The ITB belt looks ok but there are small hickeys on it.
We cleaned the 2 cleaner roll assy on that also with the roll brushes blades etc.
also the drum cleaner assy blades, roll ect.

the fuser roll was damaged by the web wrapping around the roll ends and causing a wrinkel pattern on each side.
this C! is loaded with problems

And we just did not us it that much.
In 1 year under 70K wirh a new drum change in the first Mo. that canon did.
This mach is CLEAN inside and out to have these kinds of problems.
When it works its great but at what cost to the customer and canon.

Even if we change out all the components......dev units, patch sensor, new clean web, new fuser roll with belt, new ITB belt, all the cleaner roll assy's what to say this just wont happen again at 70K
Keep in mind the shop that it's located in it VERY well controlled for TEMP hum, Shop is very clean. and supplys kept IN SHOP.