Search:

Try ibt assy from another machine, maybe IBT tension lever sliping

Print single colors from diagnostic.
If you print 4 colors picture you can not see does every color have problem

First print some diagnostic prints to see is your problem related only to black color.
If you have problem only with black, first step i drum unit, after that, black LPH and black developer assy

24v from lvps to UI.
Replace lvps.
You can not altboot xerox c70.
To reload software on c70 create folder dwld on usb and put dlm file in it.
You will not be able to reload software until replace...

Clean or replace cyan developer unit

XC power unit is 110V. XE power unit is 220V
105K22921 is 110V
105K22911 is 220V

Why do you think that Xeikon toner is compatible with Xerox

You can download it from xerox site

No, there is no option to print at dcp700 without fiery or any other print controller (creo or ffps)

Disable toner and drum in dc131 nvm read write

Replace flexible print cable between ROS and MCU and try to get service manual

I even think that dc100 toner do not have even developer in toner mix.
Old machine from 1999.
You can not use that toner in any newer xerox

Docucolor 100 or 1000?

Xerox d136?
Flexible print cable between ROS and MCU

You can print on c550 even without fiery.
Also you can change fiery ip address over machine, you do not need fiery admin password for that

What kind of problem you have?
Print quality or paper registration?

Did you follow service manual procedure, measure voltage on p/j 766 pin 1 and pin2

If you have same problem for all colors on internal test print then check back up roll in ibt assy or replace ibt assy

Did you flash SD card with new file from xerox or with image from another machine?
What software level have you tried to install?

Power off proxy settings in tools

Print single cmyk color at 30% over page and post pics here

Try pws altboot

If color band is single color then check drum for that color
You can swap drum for colors to see will problem stay on same color or will go with drum

What kind of problem you have?
Your pic is low quality so I can not see anything

How do you think to get help without main informations.
Model?
Paper type,?
Paper size?
Did you change any parts?