OK, let's try this one more time.
You have 3 symptoms:
- Machine is showing add toner
- Bar graph is showing zero bars.
- Counter is printing light gray.
Since you have replaced the pump and toner hose, the only tong that I know of that will cause all 3 is no toner present at the toner out sensor on the toner nozzle assembly at the back of the toner cartridge tray. This is normally the result of clogged nozzle. Replace the nozzle, part # D0293205 NOZZLE:C2:ASS'Y
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