QTR-Quadtone RIP

Michael wrote:

"Last, why would something like cleaning solution be blocked anyway?"

Running too many cleaning cycles won't help and, in fact, it can cause
damage. Letting things sit overnight will often help more. There can be a
blocked channel even with cleaning fluid for two reasons (probably more but
these are all I know). First, a bubble of air in the head, cart or damper,
which will work itself out over a short period of time (overnight) and
second, and more serious but also much more rare is when cleaning fluid
dislodges a piece of schmutz (the technical term for accumulated or
aggregated pigments :-)) in the cart, head or in the damper where it can
accumulate over time.

If this one nozzle continues to be a problem I would look at the parking pad
carefully to see if there's anything accumulated there at that cart position
that might interfere with the vacuum created by the pump when you run a
cleaning cycle. Even a small piece of lint or cat hair can do it. Cleaning
off the nozzle area itself with the Windex/paper towel method might also
insure that there's no debris on the head itself at that nozzle position.

IMHO, and I mean humble because I haven't had as much experience as most on
this list, a "perfect" nozzle check isn't always necessary. In fact, I have
noticed that I can get a perfect nozzle check, print one print then run a
nozzle check again and find gaps. There's definitely an element of the
supernatural at work in these devices.

Rick