Chosen Solution
The printer had been sitting unused for many months… all systems seem to be working, network, drivers etc., toner cartridges indicate more than half full (and I put a new black toner in to test) Print job comes out very faint in black. Demo Page shows some yellow, some magenta, no cyan and very faint black. I cleaned rollers, shook the cartridges… what do try next?
Search for “print very light” <–in quotes. You will see two answers there.
