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Epson 3800 had a blocked yellow channel. Took the dampers off cleaned the channel, got some jets back. Now the printer prints nothing but still wastes ink during cleaning cycles. No errors on the front panel. Suggestions?

well i cleaned all the contacts and no improvement. In fact, if you power up the printer with any of the ffc cables disconnected it throws an error so that was never it. So RIP 3800.

Thank you for your detailed reply. The printer does cleaning properly and wastes ink the way it should. It’s just the printing that fails. I ordered some de-oxit and will clean the ffc cables that go into the little circuit board on the print head and we’ll see.

thank you. no scorching anywhere on that little pcb sitting on print head damper assembly or the ribbon cables going to it. All the little cables are properly plugged in

Thank you for your prompt reply. I restarted the printer this morning. No errors. Bizarre. I went to print a nozzle check-totally blank. I did a power clean, still blank.Another regular clean, totally blank. I removed the carts w piezoflush, moved the chips back to the OEM carts and tried again...

so i thought about it. The only way a 'puddle of smoke' would get to the maintenance cartridge is if the print head fried itself. The smoke would be evacuated with the waste ink. This may be why I am also getting the 'no ink error' before the 'no maintenance cartridge error' But why should the...

So I had no yellow. AT ALL. I tried the flushing procedures as instructed on inkjet mall. Multiple regular cleanings, multiple power cleanings. Nothing. I purchased the piezo flush kit with the 9 carts. Soaked the head for 3 hours over a bounty towel, did more power flushes. Still no yellow. All...