If this is your first visit, be sure to
check out the FAQ by clicking the
link above. You may have to register
before you can post: click the register link above to proceed. To start viewing messages,
select the forum that you want to visit from the selection below.
Black developer disappears after about 50k prints. Hv1 board, developer unit changed. Original dv-614 developer and tn-620 in use. What else can be the...
