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Hi:Very nice, G620 printer, been fine until recently. No red is printing. Magenta, cyan, yellow, black and grey are fine on the nozzle check. The lines for "R" are blank, as shown here I have done cleaning, deep cleaning, and flush. Did the flush mul...

I have a G620, been wonderful, till now. Magenta prints, but no red. Test sheet shows blank where red should be. No dots, no lines, nothing. I am not sure if the red tank is totally full or totally empty. If empty, ink is not going in, and I have tri...