SOURCE: Konica Minolta Copiers
F26 Toner density adjustment problem. This means machine is undertoned. To repair, replace developer and enter "47" mode. Press 51. Press print. Allow the machine to cycle until it stops. Some feel that you should disconnect the toner motor first. This ??? ?????? happens probably because either machine wasn't set up properly, or the customer kept on using the machine with the toner light on.
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