iraklis7302
02-19-2022, 04:06 PM
Hi there
I’m trying to fix my C454 machine and I removed some parts from one C454 which I know worked well,to another.I have 2.my first machine is working well,but in my second appears the following message:developing unit cyan installation error.should I replace the dev chip unit to work?or should I replace all cyan developing graphite including chip?
thank you all
I’m trying to fix my C454 machine and I removed some parts from one C454 which I know worked well,to another.I have 2.my first machine is working well,but in my second appears the following message:developing unit cyan installation error.should I replace the dev chip unit to work?or should I replace all cyan developing graphite including chip?
thank you all