Retire toutes les cartouches,eteignez l'imprimante.
puis rallumer l'imprimante ,remetre les cartouches.
il y a de l'air dans les tuyaux
Error 990 is an error message that has to do with the ink drying out on the maintenance unit. Unfortunately this is a fatal error and the printer will need to be replaced as the maintenance unit can only be fixed by a technician. You will have contact Ricoh for further information on possible replacement.
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